JP2014131506A - Method for pests control during plant growth using light beam and device using light beam, method for phenol content increase and device using light beam, and method for kjeldahl nitrogen increase - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method of controlling pests causing damage to plants, such as killing of them, by making the pests suck in the solution of leaves of plants.SOLUTION: A single blue light beam, a single green light beam, and blue-green composite light beams are radiated to leaves of plants at night to increase the content of phenol in the leaves, thereby destroying imagoes and hatched larvae of pests while inhibiting the growth of them.

Description

The present invention irradiates a plant leaf body with blue light and green light at night to increase the phenol content in the plant leaf body, causing an adult insect or hatching larva to suck the leaf fluid of the plant, The present invention relates to a method for controlling light-using pests that are killed while suppressing the growth of hatching larvae. In addition, the present invention relates to a plant growth control method and apparatus for increasing the Kjeldahl nitrogen and phenol content in the plant leaves by irradiating the plant leaves with blue, green, yellow, and red light combined at night.

Decrease in crop production has become a major problem due to damage by pests in plant cultivation. The reality is that pesticide control is applied at a great expense to control pests. However, it is difficult to control pesticides due to the resistance of drugs to pests. Plant growth is hindered by the high frequency of pesticide pest control.

Problems to be solved by the invention

In particular, the use of drip insects has become widespread for the control of pests such as spider mites and aphids.
However, there are many difficulties in controlling the use in combination with pesticides that do not affect drip insects.
Moreover, the more the number of times of controlling pesticide pests, the slower the growth of the plant.

Means for solving the problem

The plant leaves contain a weak phenolic substance to control pests. In order to increase the content of the plant, blue and green single rays and blue and green combined rays are used. Is characterized by pest control by increasing the content of phenolic substances at night.
Excessive phenolic substances in the plant due to excessive increase in phenolic substance content for pest control by irradiating blue, green, red, yellow combined light at night, increasing Kjeldahl nitrogen content An apparatus and method for controlling plant pests such as powdery mildew and mites while relieving the stress caused by the plant and utilizing it for plant growth control technology.

A substance that is inherently biosynthesized by the plant itself, and when the pests continue to eat large amounts of leaf bodies, the pests will eventually weaken and die, thereby maintaining the growth of the plant itself and preventing the generation of large numbers of pests. What is said to be poison is phenolic substances. Increasing effects of phenolic substances and Kjeldahl nitrogen, ie, proteins, can control pest control of plants themselves and plant growth.

According to the present invention, adults and hatching larvae which are pests by increasing the phenolic substance in the leaves of the plant in a natural manner by irradiating at night using blue, green single light, blue and green composite light. It is characterized in that the plant leaves are sucked to suppress the growth of pests and eventually die. Also, an apparatus and method capable of controlling plant growth by mitigating plant stress due to an excessive increase in phenolic substances while irradiating at night using blue, green, yellow and red composite color rays and increasing Kjeldahl substances.

Patent Publication 2010-279345
Patent Publication 2011-115
Patent Publication 2011-55816
It is specified in the above-mentioned literature that it has been demonstrated that protein increases in the leaf body using light.

As shown in the above-mentioned section “[0007]”, blue light and green light are emitted into the leaves of the plant while irradiating the leaves of the plant with blue light at night to increase phenolic substances. Combined irradiation, to store protein in the leaf body of the plant, to maintain a high concentration of protein, which is the nutrient concentration in the leaf body of the plant, while increasing the content of phenolic substance in the leaf body of the plant, The leaf liquid of the plant is sucked by adult insects and hatching larvae to suppress the growth of the pests, and can eventually be killed. In particular, alleviation of damage to strawberry crops caused by spider mites, pesticide damage, reduction of yellow leaf curl disease caused by silver leaf whitefly and tobacco whitefly, etc. Can control pests that absorb leaf liquid.
Pests that gradually increase in the plant itself by irradiating the plant leaves with compound light of blue light, green light, yellow light, and red light at night to increase the Kjeldahl nitrogen in the plant leaves. Phenol substances that have a controlling effect, and phenol substances that have been excessively increased to control pests, suppress the growth of the growing plant and cause stress, so increase the Kjeldahl nitrogen, which is a nutrient protein in the growing plant. Thus, an apparatus and a method capable of reducing plant stress, increasing plant growth and production speed, and controlling plant growth capable of controlling pests.

By irradiating blue and green single rays and blue and green combined rays at night, strawberry plants and cucumbers, green peppers, green peppers, melons and other fruit vegetables, komatsuna, chingen vegetables, spinach and other leafy vegetables plants, chrysanthemum, gerbera , Pest control of fruit trees such as carnations, orchids, cyclamen, and lilies, and cherries and cherry trees.
In addition, the plant body is gradually increased by radiating blue light, green light, yellow light, and red light to the plant leaves at night to increase the Kjeldahl nitrogen in the plant leaf body, thereby gradually increasing the plant itself. However, a plant growth control apparatus and method that can increase the growth speed while reducing the stress of the grown plant due to an increase in phenolic substance excess, which has a pest control effect, has become possible.
Moreover, the plant growth control apparatus and method which can irradiate a plant at night by adjusting the flower buds by the light color of the composite light beam without any influence depending on the kind of the plant became possible.

In the embodiment of the present invention, the phenol content is measured by a 4-aminoantipyrine measurement method by a highly accurate method. Based on the 4-aminoantipyrine measurement method described above, which was the basis of the present invention, the leaves of strawberry plants were dried and boiled in hot water, filtered and extracted, treated with chloroform and phenol reagents, and analyzed in two steps. The sample is taken out and the phenol content is measured with a spectrophotometer 3000R manufactured by HACH.
In addition, embodiments of the present invention include a derma method for measuring the amount of nitrogen after combustion and a Kjeldahl method for measuring the amount of ammonia after sulfuric acid decomposition, as a highly accurate method for protein quantification. The measurement method which became the standard of the present invention is that the latter method is a method in which strawberry plant petioles and leaf bodies are boiled with sulfuric acid of strong acid at 440 ° C. with a digester type 23130-20 manufactured by HACH, and a strong oxidizing agent is added. It is based on the gel tar method in which hydrogen oxide water is instilled, the sample is taken out after two-stage decomposition, and the amount of ammonia is measured with a spectrophotometer 3000R manufactured by HACH, and is measured by a highly accurate protein quantification method. The

In the strawberry house, a fluorescent lamp type is used as a light source for irradiation conditions such as no irradiation to green leaves growing strawberry plants, green single light, blue single light, blue light and green light from a single plane. LED power supply was installed and set, and the strawberry plant was irradiated at night from the height of 1.5m above the strawberry plant, and phenol was accumulated in the leaves of the strawberry plant, and accumulated in the leaves of the strawberry plant. Spider mites sucked the leaf fluid of the strawberry plant from the contained phenol, and the degree of spider mite reduction was compared and verified.

In the house of 6m depth 100m depth and 3800 planted seedlings of the greenhouse of the strawberry plant being cultivated, the inside of the greenhouse 100m where the spider mite was generated was taken as the test area.

The effects and demonstration results in the above-mentioned “[0012]” greenhouse will be described in detail with reference to FIGS. 1, 2, 3, 4, 5, and Tables 1, 2, and Examples.
As shown in the elevational view AA in the greenhouse plan view 1, a blue fluorescent light-emitting LED 1 is placed at a height of 1.5 m on the upper surface of the strawberry planted seedling 4. As shown in the figure, it was suspended from the depth of the greenhouse 3 at intervals of 5 m in parallel with the entrance of the house 3.

Next, as shown in the elevation view 3 of the arrow BB in the plan view of the greenhouse 1, the green fluorescent lamp type LED 2 is placed at a height of 1.5 m on the upper surface of the strawberry planting seedling 5. As indicated by 1, it was suspended and installed in the depth of the greenhouse 3 at intervals of 5 m in parallel with the entrance of the greenhouse 3.

Next, as shown in the elevation view 4 of the arrow C-C in the greenhouse plan view 1, green fluorescent fluorescent LED 2 is suspended at a height of 1.5 m on the upper surface of the fixed seedling 6 of the strawberry plant at intervals of 5 m. Blue light in the direction perpendicular to the entrance of the greenhouse 3 in the middle between the green light fluorescent LED 2 and the green fluorescent light LED 2 in which the green fluorescent light LED 2 is suspended and installed at intervals of 5 m. The fluorescent LED 1 was suspended and installed as shown in the plan view of the greenhouse.

Next, as shown in the elevation view of the arrow D-D of the greenhouse plan view 1, the upper surface of the strawberry plant seedling 7 was not irradiated.

As described in “[0012]”, “[0013]”, “[0014]”, “[0015]”, and “[0016]”, the blue fluorescent LED 1 alone is irradiated and green light is emitted. Fluorescent lamp type LED 2 is irradiated with a single light, and a blue fluorescent lamp type LED 1 is suspended in the middle of the green light fluorescent lamp type LED 2 in the direction perpendicular to the entrance of the house 3 as shown in the plan view of the greenhouse. Then, the compound light is irradiated, and the upper surface of the strawberry plant fixed seedling 7 is not irradiated, and the strawberry plant fixed seedling 4, the fixed planted seedling 5, the fixed planted seedling 6, the fixed planted seedling 7, 10 and 30 days after lighting in Tables 1 and 2, the phenol content in the leaves of the planted seedlings of the strawberry plant and the degree of mite reduction were compared and displayed in Tables 1 and 2 did.

Table 1 shows 10 days after lighting irradiation, the blue light fluorescent LED 1 has a phenol content of 0.190 mg / L, the number of spider mites, and the green light fluorescent LED 2 has a phenol content of 0.175 mg. / L, 20 spider mites, combined light of blue fluorescent LED 1 and blue fluorescent light LED 2 has a phenol content of 0.2 mg / L, 8 spider mites, a non-irradiated phenol content of 0. It was 160 mg / L and the number of spider mites was 50.

Table 2 shows 30 days after the lighting irradiation, the blue fluorescent lamp type LED1 has a phenol content of 0.214 mg / L, the number of spider mites, and the green fluorescent lamp type LED 2 has a phenol content of 0.188 mg. / L, number of spider mites, combined light of fluorescent LED 1 of blue light and LED 2 of green light, phenol content 0.251 mg / L, number of spider mites, phenol content of non-irradiated 0. It was 172 mg / L and the number of spider mites was 150.

The description will be made based on Table 1 as shown in the above-mentioned “[0018]” Table 1 and “[0019]” Table 2. After 10 days of lighting, the blue-light fluorescent LED 1 and the green-light fluorescent LED 2 are used. The compound light with a phenol content of 0.2 mg / L and a spider mite number of 8 and the blue light fluorescent LED 1 has a phenol content of 0.190 mg / L and a spider mite count of 7 and a green light The fluorescent lamp type LED 2 had a phenol content of 0.175 mg / L and a number of spider mites of 20 and a non-irradiated phenol content of 0.160 mg / L and a number of spider mites of 50. After 10 days, the number of spider mites appears in the strawberry fixed seedlings with a high phenol content, and the number of spider mites appears in the strawberry fixed seedlings with a low phenol content.

30 days after lighting, the composite light of the blue fluorescent light LED 1 and the green fluorescent light LED 2 has a phenol content of 0.251 mg / L and a spider mite number 0, and the blue fluorescent light LED 1 , Phenol content 0.214 mg / L, spider mite number 0, green light fluorescent LED 2 has a phenol content of 0.188 mg / L, spider mite number 7, and non-irradiated phenol content of 0.172 mg / L L, spider mite number 150. After 30 days, spider mites decrease as the phenol content increases, and the non-lighted strawberry fixed seedlings have a low phenol content, and even after 30 days the strawberry fixed seedlings have no change in phenol content. Spider mites are abnormally increased.

又、表５によると、表４表示の５０日目に消灯し表５表示の表５の如く消灯１５日間にて、青色単独光はフェノール含有量は、０．２８ｍｇ／Ｌから０．１９ｍｇ／Ｌに減少、緑色単独光は、０．２６ｍｇ／Ｌから０．１８ｍｇ／Ｌに減少、青色と緑色の複合光０．３５ｍｇ／Ｌから０．２４ｍｇ／Ｌに減少、無照射は０．１７ｍｇ／Ｌから０．１６ｍｇ／Ｌに微小に減少している。
表１、と表４に基づく考察によると無照射はフェノール含有量は微少の減少であるが、青色と緑色の複合光は表１の含有量０．２ｍｇ／Ｌから表４の含有量０．３５ｍｇ／Ｌに増加、緑色単独光の表１の含有量０．１７５ｍｇ／Ｌから表４の含有量０．２６ｍｇ／Ｌに増加、青色の単独光、は表１の含有量０．１９ｍｇ／Ｌから表４の含有量０．２８ｍｇ／Ｌに増加量が、増加している。
表１、と表５に基づき考察すると、消灯後１５日目にて、ハダニの減少割合とフェノール含有量とを比較検証すると、緑色単独光ハダニ数が２０から１５、青色単独光７から５、青色と緑色の複合光は８から０であり、フェノール含有量は消灯後１５日目に緑色の単独光は、０．１８ｍｇ／Ｌ、青色の単独光は、０．１９ｍｇ／Ｌ、青色と緑色の複合光は、０．２４ｍｇ／Ｌである。フェノール増加量の多さが消灯後１５日目にてもハダニが減少していることが明らかである。
青色と緑色の複合光は、緑色単独光青色単独光フェノール含有量より多いことにより、ハダニがより多く減少させていることが、表１、表２、表３、表４、表５の表示の如く実施例に基づき実証した。As in the above-described embodiments, spider mite is caused by an increase in the phenol content in the planted seedling of the strawberry plant by blue light, green light, or a combined light beam of blue light and green light. It was proved that the liquid was sucked and weakened and died.

Further, according to Table 5, the light was turned off on the 50th day shown in Table 4 and turned off for 15 days as shown in Table 5 shown in Table 5. The blue single light had a phenol content of 0.28 mg / L to 0.19 mg / L. Reduced to L, green single light decreased from 0.26 mg / L to 0.18 mg / L, blue and green combined light decreased from 0.35 mg / L to 0.24 mg / L, no irradiation 0.17 mg / L It is slightly reduced from L to 0.16 mg / L.
According to the considerations based on Tables 1 and 4, the non-irradiation has a slight decrease in phenol content, but the blue and green composite light has a content of 0.2 mg / L in Table 1 to a content of 0. Increased to 35 mg / L, the content of green single light in Table 1 from 0.175 mg / L to the content of Table 4 in 0.26 mg / L, blue single light, the content of Table 1 in 0.19 mg / L From Table 4, the amount of increase increased to a content of 0.28 mg / L.
Considering based on Table 1 and Table 5, on the 15th day after the extinction, when comparing the mite reduction ratio and the phenol content, the number of green single light spider mites is 20 to 15, the number of blue single light 7 to 5, Blue and green combined light is 8 to 0, phenol content is 15 days after extinction, green single light is 0.18 mg / L, blue single light is 0.19 mg / L, blue and green The combined light is 0.24 mg / L. It is clear that spider mites are decreasing even on the 15th day after the lights are turned off.
The composite light of blue and green has a greater decrease in spider mites due to the content of the green single light blue single light phenol content, which is shown in Table 1, Table 2, Table 3, Table 4, Table 5 It demonstrated based on the Example as follows.

In the strawberry house, a green light green LED and a yellow light yellow LED are arranged and installed on the leaf body during the growth of the strawberry plant, and the yellow light yellow LED in relation to the green light green LED In the arrangement, the yellow LED is repeatedly arranged several times while maintaining the arrangement ratio of about 5% with respect to the green LED. The LED having a light beam.
The green LED and the red LED are arranged and installed, and the arrangement and installation ratio of the red LED of red light is about 5% with respect to the green LED of green light. The LED having a composite light beam, in which the red LED is repeatedly arranged several times while maintaining an arrangement ratio of about 5% with respect to the green LED.
A green light green LED and a yellow light yellow LED are arranged and installed, and the installation ratio of the yellow light yellow LED to the green light green LED is about 5%. The yellow LED is placed repeatedly and arranged several times while maintaining an arrangement ratio of about 5% with respect to the green LED, and the LED and the blue light having the combined light of the green light and the yellow light of the LED. LED having a composite light beam with a blue LED.
The green light green LED and the red light red LED are arranged and installed, and the arrangement ratio of the red light red LED to the green light green LED is about 5%. The yellow LED is placed repeatedly and arranged several times while maintaining the arrangement ratio of about 5% with respect to the green LED, and the LED having the combined light of the green light and red light of the LED and blue The LED having a composite light beam with a light blue LED.
The above-mentioned LED is set and installed from a single plane, and the strawberry plant is irradiated at night from a height of 1.5 m above the strawberry planted seedling, and the phenol content and Kjeldahl nitrogen in the leaves of the strawberry planted seedling Accumulate the content, compare the ratio of phenol content and Kjeldahl nitrogen content that can be accumulated in the leaves of the strawberry planted seedlings, and also blue light, green light, yellow light at night in the strawberry planted seedlings A phenolic substance that irradiates compound light of red light to increase the Kjeldahl nitrogen in the leaves of the strawberry planted seedlings and has a pest control effect that gradually increases on the plant itself, but it is excessive for pest control The increased phenolic substance is a stress on the development speed of the strawberry fixed seedlings, which brings about the suppression of the growth of the growing plant. Explaining based on Table 3 and Table 4, as shown in Table 3, blue light phenol, 0.27 mg / L, green light phenol, 0.24 mg / L, blue and green composite photophenol 0.31 mg / L, table As indicated by 4, blue light phenol, 0.28 mg / L, green light phenol, 0.26 mg / L, and blue and green composite light phenol 0.35 mg / L. However, the Kjeldahl nitrogen in the leaves of the strawberry seedlings shown in Table 3, that is, the nutrient concentration in the leaves, the protein concentration is 100 PPM for blue light Kjeldahl nitrogen and 110 PPM for green light Kjeldahl, as shown in Table 3. Blue and green composite light Kjeldahl nitrogen is 135PPM, as shown in Table 4, blue light Kjeldahl nitrogen is 108PPM, green light Kjeldahl nitrogen is 123PPM, blue and green compound light Kjeldahl nitrogen is 146PPM Yes.
In the display 3, the number of leaves developed is 13 for blue light, 14 for green light, and 15 for blue and green combined light. In display 4, there are 14 blue lights, 15.5 green lights, and less than 17 blue and green combined lights. According to the data of the above display 3 and display 4, considering the complex light of the blue and green phenol content, the nutrient concentration in the leaf body is increased even if it is increased from 0.31 mg / L to 0.35 mg / L. The increase in Kjeldahl nitrogen from 135 PPM to 146 PPM increases the number of leaves deployed from 15 to 17 and the phenol content of blue single light is 0.27 mg / Increased from L to 0.28 mg / L, the Kjeldahl nitrogen, which controls the nutrient concentration in the leaves, increased from 100 PPM to 108 PPM, and the green content of phenol alone from 0.24 mg / L to 0.26 mg / L The Kjeldahl nitrogen is increasing from 110 PPM to 123 PPM, which controls the nutrient concentration in the leaf body, but the blue and green combined light is the blue single light, The number of green single light has increased from 14 to 15.5, increasing from 3 to 14; however, the combined number of leaves of blue and green strawberry seedlings is 15 to 17 The compound light of blue and green, which is increasing slightly, is the growth speed due to the increased amount of Kjeldahl nitrogen, that is, the difference in the number of deployed leaves, that is, blue single light is 1, blue green light is 1.5 blue The combined effects of green and green demonstrated that the difference in the expansion of the two leaves can be demonstrated as the growth effect due to an increase in Kjeldahl nitrogen.
Utilizing complex light, increase the Keldar nitrogen, which is a nutrient protein in the growing plant body, to relieve stress due to the excessively high phenol content of the strawberry fixed planting seedling during the growth of the strawberry fixed planting seedling However, the plant growth control device and method that can increase the growth and production speed of the plant and also control the pests can irradiate the compound light of blue light, green light, yellow light and red light, so that the leaves of the strawberry fixed planting seedling The fact that Kjeldahl nitrogen is increased in the body and it has become possible to grow plants will be described based on examples.

The strawberry fixed planting under cultivation is planted in a house of 1,900 fixed seedlings at a depth of 6m in the greenhouse 6m depth and set as a comparative test section for the content of Kjeldahl nitrogen and phenol content of the strawberry fixed planting seedlings in the greenhouse 50m.

The effects and demonstration results in the above-mentioned “[0024]” greenhouse will be described in detail based on FIGS. 6, 7, 8, 9, 10, and 6, and Table 7, display 8, and examples. .
As shown in the elevation view of arrow EE in the greenhouse plan view 6 and the display of FIG. 7, a green light green LED and a yellow light yellow LED are arranged at a height of 1.5 m on the upper surface of the strawberry planted seedling 11. The arrangement of the yellow LED of the yellow light with respect to the green LED of the green light, the installation ratio is about 5%, and in the arrangement, the yellow LED with respect to the green LED Is about 5% in the depth of the greenhouse 10 as shown in the plan view of the greenhouse, as shown in FIG. It was suspended and installed parallel to the front of the house 10 at intervals.

Next, as shown in the elevation view of the FF arrow in the greenhouse plan view 6 and the display of FIG. 8, the green LED with green light and the red light with red light at a height of 1.5 m on the upper surface of the fixed seedling 12 of the strawberry plant. The LED is a fluorescent LED in which the LED is arranged and installed. The arrangement and installation ratio of the red LED of red light with respect to the green LED of green light is about 5%. The red LED is arranged repeatedly several times while maintaining the arrangement ratio of about 5%. The LED fluorescent LED 9 is placed in the depth of the greenhouse 10 as shown in the plan view of the greenhouse, as shown in FIG. It was suspended and installed in parallel with the entrance of the greenhouse 10 at intervals of 5 m.

Next, as shown in the plan view of the greenhouse, the GG arrow elevation view of FIG. 6 and the display of FIG. The yellow LED is arranged and installed, and the installation ratio of the yellow LED of yellow light is about 5% with respect to the green LED of green light. The yellow LED is arranged repeatedly several times while maintaining an arrangement ratio of about 5%, and the fluorescent lamp type LED 8 of the LED having a composite light beam of the green light and the yellow light of the LED is spaced by 5 m. 6 is a plan view of a greenhouse in the middle of the LED, fluorescent lamp type LED8 and the LED, fluorescent lamp type LED8. Of blue light in the direction perpendicular to Greenhouses plan view light lamp type blue LED 15, was placed in a suspended state as the display of FIG.

  Next, as shown in the plan view of the greenhouse, the HH arrow elevation view of FIG. 6, and the display of FIG. The red LED is arranged and installed, and the installation ratio of the red LED of the red light is about 5% with respect to the green LED of the green light. The red LED is arranged repeatedly several times while maintaining the arrangement ratio of about 5%, and the fluorescent lamp type LED 9 of the LED having the combined light of the green light and the red light of the LED is spaced by 5 m. 6 is a plan view of the greenhouse in the middle of the LED and fluorescent lamp type LED 9 and the LED and fluorescent lamp type LED 9 that are suspended and installed at 5 m intervals. Blue light in the direction perpendicular to Fluorescent type blue LED15 the greenhouses plan view, installed in a suspended state as the display of FIG.

但し 表６、表７のデータのいちご定植苗の無照射データは下記の表示８の通り。

表、表示についてＬＥＤの光源、表６、表７の緑色と黄色複合光とは、緑色光の緑色ＬＥＤと黄色光の黄色ＬＥＤが配置、設置されているＬＥＤで、緑色光の緑色ＬＥＤに対して黄色光の黄色ＬＥＤの配置、設置割合は、約５％であり、配列にては、当該緑色ＬＥＤに対して当該黄色ＬＥＤは、約５％なる配置割合を保持しつつ数回繰り返し置き並べられて設置されている、当該ＬＥＤ蛍光型ＬＥＤである。
表、表示についてＬＥＤの光源、表６、表７緑色と赤色複合光とは、緑色光の緑色ＬＥＤと赤色光の赤色ＬＥＤが配置、設置されているＬＥＤであり、緑色光の緑色ＬＥＤに対して赤色光の赤色ＬＥＤの配置、設置割合は約５％であり、配列にては、当該緑色ＬＥＤに対して当該赤色ＬＥＤは、約５％なる配置割合を保持しつつ数回繰り返し置き並べられて設置されている、当該ＬＥＤ蛍光型ＬＥＤである。
表、表示についてＬＥＤの光源、表６、表７の緑色と黄色複合光＋青色とは、緑色光の緑色ＬＥＤと黄色光の黄色ＬＥＤが配置、設置されているＬＥＤであり、緑色光の緑色ＬＥＤに対して黄色光の黄色ＬＥＤの設置割合は約５％であり、配列にては、当該緑色ＬＥＤに対して当該黄色ＬＥＤは、約５％なる配置割合を保持しつつ数回繰り返し置き並べられて設置されている、当該ＬＥＤの緑光線と黄色光線の複合光線を有する当該ＬＥＤ蛍光型ＬＥＤと青色光の青色ＬＥＤ蛍光型ＬＥＤとの複合光である。
表、表示についてＬＥＤの光源、表６、表７の緑色と赤色複合光＋青色とは、緑色光の緑色ＬＥＤと赤色光の赤色ＬＥＤが配置、設置されているＬＥＤであり、緑色光の緑色ＬＥＤに対して赤色光の赤色ＬＥＤの設置割合は約５％であり、配列にては、当該緑色ＬＥＤに対して当該赤色ＬＥＤは、約５％なる配置割合を保持しつつ数回繰り返し置き並べられて設置されている、当該ＬＥＤ蛍光型ＬＥＤの緑光線と黄色光線の複合光線を有する当該ＬＥＤと青色光の青色蛍光型ＬＥＤとの複合光である。As described in “[0024]”, “[0025]”, “[0026]”, “[0027]”, and “[0028]” in the above description, the yellow light yellow LED is compared with the green light green LED. The arrangement and installation ratio is about 5%, and in the arrangement, the yellow LED is repeatedly arranged several times while maintaining the arrangement ratio of about 5% with respect to the green LED. The planted seedlings were irradiated with the LED fluorescent lamp type LED 8 having a height of 1.5 m from a strawberry plant.
The arrangement and installation ratio of the red LED of the red light with respect to the green LED of the green light is about 5%, and in the arrangement, the red LED maintains an arrangement ratio of about 5% with respect to the green LED. The planted seedlings were irradiated from the height of 1.5 m of the strawberry plant with the LED fluorescent lamp type LED 9 having a composite light beam, which was repeatedly placed several times and installed.
The arrangement and installation ratio of yellow LED of yellow light to green LED of green light is about 5%, and in the arrangement, the yellow LED maintains an arrangement ratio of about 5% with respect to the green LED. The LED fluorescent lamp-type LED 8 having a composite light beam, which is repeatedly arranged several times and installed, and a plan view of the house in the middle of the LED and the fluorescent lamp-type LED 8, and blue light in a direction perpendicular to the front of FIG. The fluorescent blue LED 15 was suspended and installed as shown in the plan view of the greenhouse, as shown in FIG. 6, and the composite light was irradiated to the planted seedling from a height of 1.5 m of the strawberry plant.
In addition, the arrangement and installation ratio of the red LED of the red light with respect to the green LED of the green light is about 5%. In the arrangement, the red LED maintains the arrangement ratio of 5% with respect to the green LED. Fluorescent lamp type of blue light in a direction perpendicular to the front of the house plan view 6 at the middle part of the LED fluorescent lamp type LED 9 having a composite light beam and the LED fluorescent lamp type LED 9 which are repeatedly arranged several times. The blue LED 15 was suspended and installed as shown in the plan view of the greenhouse, as shown in FIG. 6, and composite light was applied to the planted seedlings from a height of 1.5 m of the strawberry plant.
In the greenhouse 10, the strawberry fixed seedling 11, the strawberry fixed seedling 12, the strawberry fixed seedling 13 and the strawberry fixed seedling 14 are turned on for 40 days and displayed in Table 6. After 40 days of irradiation treatment, the lights are turned off for 10 days. Table 7 and the degree of phenol content and Kjeldahl nitrogen content in the leaves of the fixed seedlings of the strawberry plant were compared and verified and displayed in Table 6, Table 7, and Display 8.

However, the data shown in Tables 6 and 7 are as follows.

Table, display LED light source, green and yellow composite light in Tables 6 and 7 are the LEDs in which a green LED of green light and a yellow LED of yellow light are arranged and installed, with respect to the green LED of green light The arrangement and installation ratio of yellow LEDs with yellow light is about 5%, and in the arrangement, the yellow LEDs are repeatedly arranged several times while maintaining the arrangement ratio of about 5% with respect to the green LEDs. This LED fluorescent LED is installed.
Table, display LED light source, Table 6, Table 7 Green and red composite light is an LED in which a green light green LED and a red light red LED are arranged and installed. The arrangement and installation ratio of red LEDs for red light is about 5%. In the arrangement, the red LEDs are repeatedly arranged several times while maintaining the arrangement ratio of about 5% with respect to the green LEDs. This LED fluorescent LED is installed.
Tables and displays LED light source, green and yellow composite light + blue in Tables 6 and 7 are LEDs in which a green LED of green light and a yellow LED of yellow light are arranged and installed. The installation ratio of yellow LED of yellow light to LED is about 5%, and in the arrangement, the yellow LED is repeatedly arranged several times while maintaining the arrangement ratio of about 5% to the green LED. It is the composite light of the said LED fluorescent LED which has the composite light of the green light of the said LED, and the yellow light and the blue LED fluorescent LED of blue light currently installed.
Table and display LED light source, green and red composite light + blue in Table 6 and Table 7 are LEDs in which a green green LED and a red red LED are arranged and installed. The installation ratio of red LED of red light to LED is about 5%, and in the arrangement, the red LED is repeatedly arranged several times while maintaining the arrangement ratio of about 5% to the green LED. The combined light of the LED having the combined light of green light and yellow light of the LED fluorescent LED and the blue fluorescent LED of blue light.

Table 6 shows that the phenol content of the green and yellow composite light on the 40th day after the lighting irradiation is 0.245 mg / L, and the green and yellow composite light on the 10th day after the light is turned off in Table 7 Phenol content is reduced to 0.178 mg / L.
Table 6 shows that the phenol content of the green and red composite light on the 40th day after the lighting irradiation is 0.2 mg / L, and the green and red composite light on the 10th day after the extinction of Table 7 Phenol content is reduced to 0.128 mg / L.
Table 6 shows that the green and yellow composite light + blue phenol content is 0.30 mg / L on the 40th day after the lighting irradiation, and the green and yellow composites on the 10th day after the light is turned off in Table 7. Light + blue phenol content decreased to 0.23 mg / L.
Table 6 shows the green and red composite light + blue phenol content of 0.26 mg / L on the 40th day after the lighting irradiation, and the green and red composite on the 10th day after the extinction of Table 7. Light + blue phenol content decreased to 0.180 mg / L.
Table 6 shows that the Kjeldahl nitrogen content of the green and yellow composite light, which is the 40th day after the lighting irradiation, is 120 PPM, and the Kjeldahl nitrogen content of the green and yellow composite light is 10 days after the light is turned off in Table 7. The amount is reduced to 105PPM.
Table 6 shows that the Kjeldahl nitrogen content of the green and red composite light on the 40th day after the lighting irradiation is 112 PPM, and the Kjeldahl nitrogen content of the green and red composite light on the 10th day after the extinction of Table 7 The amount is reduced to 98 PPM.
Table 6 shows the composite light of green and yellow + blue combined light of blue and Keldar, which is 40 days after the irradiation of irradiation, and the Kjeldahl nitrogen content of 132 PPM. Kjeldahl nitrogen content decreased to 120PPM.
Table 6 shows the compound light of green and red + blue Kjeldahl nitrogen content of 129 PPM on the 40th day after the lighting irradiation, and the combination of green and red + blue light on the 10th day after the extinction of Table 7. Kjeldahl nitrogen content decreased to 118PPM.
The display 8 is a non-irradiated strawberry fixed planting seedling, and the phenol content is 0.16 mg / L.
The content of Kjeldahl nitrogen is 80 PPM.
Considering based on the above data, the phenol content of the non-irradiated strawberry planted seedling was about 0.16 mg / L as shown in the display 8 even when the strawberry planted seedling was irradiated with the composite light and on the 10th day after the light was turned off. The content of Kjeldahl nitrogen was about 80 PPM.
Nutrients in the plant body while maintaining the phenol content of the strawberry planted seedlings irradiated with compound light as shown in Table 7 and maintaining a high phenol content with the ability to control pests as shown above, as shown in Table 7. Kjeldahl nitrogen, which controls the concentration, also maintains a high value.
Also in Tables 3 and 4, as described above in “[0023]” and as described in the above “[0030]”, a pest that gradually increases on the plant itself by irradiating the plant with a composite beam. The method and apparatus for increasing phenolic substances that have a controlling effect, and because the large increase in phenolic substances can be a substance that suppresses the growth of the growing plant, it also increases the Kjeldahl nitrogen, which is a nutrient protein in the growing plant. Kjeldahl nitrogen increase method and apparatus that can also suppress growth by phenolic substances that increase during the cultivation of the strawberry fixed seedlings, relieve stress, increase plant growth and production speed, and can also control pests However, by irradiating compound light of blue light, green light, yellow light and red light, the Keldar nitrogen is increased in the leaves of the strawberry planted seedlings, and it has a pest control effect that gradually increases. It was verified that it is now possible to plant growth control by increasing the method and apparatus of the phenolic material.

Is a greenhouse top view. These are AA arrow elevation views. These are BB arrow elevation views. FIG. FIG. Is a greenhouse top view. Is an EE arrow elevation view. These are FF arrow elevation views. FIG. FIG.

1. Blue fluorescent LED 2. Green light fluorescent LED 3. Greenhouse 4. Strawberry planting seedling 5. Strawberry planting planting seedling 6. Strawberry planting planting seedling 7. Strawberry planting planting Seedling 8 ・ ・ Fluorescent LED with green LED and yellow LED
9 ・ ・ Fluorescent LED with green LED and green LED
10. ・ Vinylhouse 11. ・ Strawberry fixed planting seedling 12. ・ Strawberry fixed planting seedling 13. ・ Strawberry fixed planting seedling 14. ・ Strawberry fixed planting seedling 15. ・ Blue fluorescent fluorescent blue LED

The present invention irradiates a plant leaf body with blue light and green light at night to increase the phenol content in the plant leaf body, causing an adult insect or hatching larva to suck the leaf fluid of the plant, The present invention relates to a method for controlling light-using pests that are killed while suppressing the growth of hatching larvae. Further, the present invention relates to a plant growth control method for increasing the Kjeldahl nitrogen and phenol content in a plant leaf body with an apparatus capable of irradiating the plant leaf body with blue, green, yellow and red light at night. .

Decrease in crop production has become a major problem due to damage by pests in plant cultivation. The reality is that pesticide control is applied at a great expense to control pests. However, it is difficult to control pesticides due to the resistance of drugs to pests.
Plant growth is hindered by the high frequency of pesticide pest control.

Problems to be solved by the invention

In particular, the use of drip insects has become widespread for the control of pests such as spider mites and aphids.
However, there are many difficulties in controlling the use in combination with pesticides that do not affect drip insects.
Moreover, the more the number of times of controlling pesticide pests, the slower the growth of the plant.

Means for solving the problem

The plant leaves contain a weak phenolic substance to control pests. In order to increase the content of the plant, blue and green single rays and blue and green combined rays are used. Is characterized by pest control by increasing the content of phenolic substances at night.
The plant by increasing the content of Kjeldahl nitrogen in an apparatus that can irradiate a light beam combined with blue, green, red, and yellow at night, and increasing the content of phenolic substances for pest control A method used for plant growth control technology for controlling pests such as powdery mildew and ticks while relieving the stress that suppresses the growth of the plant due to excessive phenolic substances.

A substance that is inherently biosynthesized by the plant itself, and when the pests continue to eat large amounts of leaf bodies, the pests will eventually weaken and die, thereby maintaining the growth of the plant itself and preventing the generation of large numbers of pests. What is said to be poison is phenolic substances. Increasing effects of phenolic substances and Kjeldahl nitrogen, ie, proteins, can control pest control of plants themselves and plant growth.

According to the present invention, adults and hatching larvae which are pests by increasing the phenolic substance in the leaves of the plant in a natural manner by irradiating at night using blue, green single light, blue and green composite light. It is characterized in that the plant leaves are sucked to suppress the growth of pests and eventually die. In addition, with a device that can use blue, green, yellow, and red complex color rays, while irradiating at night and increasing the Kjeldahl substance, it also relieves the stress that suppresses the growth of the plant due to an excessive increase in the phenolic substance, A method that can control the growth of plants.

Patent Publication 2010-279345
Patent Publication 2011-115
Patent Publication 2011-55816
It is specified in the above-mentioned literature that it has been demonstrated that protein increases in the leaf body using light.

As shown in the above-mentioned section “[0007]”, blue light and green light are emitted into the leaves of the plant while irradiating the leaves of the plant with blue light at night to increase phenolic substances. Combined irradiation, to store protein in the plant's leaf body, while maintaining a high concentration of protein, which is a nutrient concentration in the plant's leaf body, to increase the content of phenolic substances in the plant's leaf body, The plant leaf fluid is sucked by the adult insects and hatching larvae to suppress the growth of the insects and can be killed.
In particular, alleviation of damage to strawberry crops caused by spider mites, pesticide damage, reduction of yellow leaf curl disease caused by silver leaf whitefly and tobacco whitefly, etc. Can control pests that absorb leaf liquid.

Also, the plant leaves are irradiated at night with a device having a composite light beam of blue light, green light, yellow light and red light, and the plants are grown by increasing Kjeldahl nitrogen in the leaves of the plant. Phenol substances that have a pest control effect that gradually increases on the plant itself, excessive phenol substances increase to control pests, and also cause the suppression of the growth of the plant. In other words, a method of increasing plant Kjeldahl nitrogen to relieve stress that suppresses the growth of the growing plant, increase the growth and production speed of the plant, and enable pest control.

By irradiating blue and green single rays and blue and green combined rays at night, strawberry plants and cucumbers, green peppers, green peppers, melons and other fruit vegetables, komatsuna, chingen vegetables, spinach and other leafy vegetables plants, chrysanthemum, gerbera , Pest control of fruit trees such as carnations, orchids, cyclamen, and lilies, and cherries and cherry trees.

Further, the plant leaves are irradiated at night as a device having a composite light beam of blue light, green light, yellow light, and red light, and the plant is grown while increasing Kjeldahl nitrogen in the leaves of the plant. At the same time, phenolic substances having a pest control effect that can gradually increase in the leaves of the plant also cause an excessive increase.

An excessively increased phenolic substance in the plant causes stress that suppresses the growth of the plant, and thus increases the Kjeldahl nitrogen in the leaf body of the plant, thereby suppressing the growth of the plant by the excessively increased phenolic substance. Plant growth control methods that can increase the growth speed while relieving stress have become possible.

Depending on the type of plant, the light beam color device of the composite light beam does not affect the flower buds, and the light beam color and light amount are adjusted with the composite light beam device so that it can be applied to the plant at night and in the dark. Irradiation was possible, and the use of plant growth control became possible.

Nighttime refers to a state in which natural light such as sunlight on a plant is reduced or blocked.

In the embodiment of the present invention, the phenol content is measured by a 4-aminoantipyrine measurement method by a highly accurate method. Based on the above-mentioned 4-aminoantipyrine measurement method, which is the standard of the present invention, the leaves of strawberry plants are dried and boiled in hot water, filtered and extracted, treated with chloroform and phenol reagents, and samples are analyzed after two-stage analysis. The phenol content is measured with the HACH spectrophotometer 3000R.

In addition, embodiments of the present invention include a derma method for measuring the amount of nitrogen after combustion and a Kjeldahl method for measuring the amount of ammonia after sulfuric acid decomposition, as a highly accurate method for protein quantification. The measurement method which became the standard of the present invention is that the latter method is a method in which strawberry plant petioles and leaf bodies are boiled with sulfuric acid of strong acid at 440 ° C. with a digester type 23130-20 manufactured by HACH, and a strong oxidizing agent is added. It is based on the gel tar method in which hydrogen oxide water is instilled, the sample is taken out after two-stage decomposition, and the amount of ammonia is measured with a spectrophotometer 3000R manufactured by HACH, and is measured by a highly accurate protein quantification method. The

In the strawberry house, a fluorescent lamp type is used as a light source for irradiation conditions such as no irradiation to green leaves growing strawberry plants, green single light, blue single light, blue light and green light from a single plane. LED power supply was installed and set, and the strawberry plant was irradiated at night from the height of 1.5m above the strawberry plant, and phenol was accumulated in the leaves of the strawberry plant, and accumulated in the leaves of the strawberry plant. Spider mites sucked the leaf fluid of the strawberry plant from the contained phenol, and the degree of spider mite reduction was compared and verified.

In the house of 6m depth 100m depth and 3800 planted seedlings of the greenhouse of the strawberry plant being cultivated, the inside of the greenhouse 100m where the spider mite was generated was taken as the test area.

The effects and demonstration results in the greenhouse described in “[0018]” will be described in detail based on FIG. 1, FIG. 2, FIG. 3, FIG. 4 and FIG.
As shown in the elevational view AA in the greenhouse plan view 1, a blue fluorescent light-emitting LED 1 is placed at a height of 1.5 m on the upper surface of the strawberry planted seedling 4. As shown in the figure, it was suspended from the depth of the greenhouse 3 at intervals of 5 m in parallel with the entrance of the house 3.

Next, as shown in the elevation view 3 of the arrow BB in the plan view of the greenhouse 1, the green fluorescent lamp type LED 2 is placed at a height of 1.5 m on the upper surface of the strawberry planting seedling 5. As indicated by 1, it was suspended and installed in the depth of the greenhouse 3 at intervals of 5 m in parallel with the entrance of the greenhouse 3.

Next, as shown in the elevation view 4 of the arrow C-C in the greenhouse plan view 1, green fluorescent fluorescent LED 2 is suspended at a height of 1.5 m on the upper surface of the fixed seedling 6 of the strawberry plant at intervals of 5 m. Blue light in the direction perpendicular to the entrance of the greenhouse 3 in the middle between the green light fluorescent LED 2 and the green fluorescent light LED 2 in which the green fluorescent light LED 2 is suspended and installed at intervals of 5 m. The fluorescent LED 1 was suspended and installed as shown in the plan view of the greenhouse.

Next, as shown in the elevation view of the arrow D-D of the greenhouse plan view 1, the upper surface of the strawberry plant seedling 7 was not irradiated.

As described in “[0018]”, “[0019]”, “[0020]”, “[0021]”, and “[0022]”, the blue fluorescent LED 1 alone is irradiated and green light is emitted. Fluorescent lamp type LED 2 is irradiated with single light, and blue fluorescent lamp type LED 1 is suspended and installed in the middle of the green light fluorescent lamp type LED 2 in the direction perpendicular to the entrance of the house 3 as shown in the plan view of the greenhouse. In the greenhouse 3, the strawberry plant fixed seedling 4, the fixed planted seedling 5, the fixed planted seedling 6, and the fixed planted seedling 7 Tables 1 and 2 show the results of comparing and verifying the phenol content in the leaves of the fixed seedlings of the strawberry plant and the degree of spider mite after 10 and 30 days after lighting in Tables 1 and 2. .

Table 1 shows 10 days after lighting irradiation, the blue light fluorescent LED 1 has a phenol content of 0.190 mg / L, the number of spider mites, and the green light fluorescent LED 2 has a phenol content of 0.175 mg. / L, 20 spider mites, combined light of blue fluorescent LED 1 and blue fluorescent light LED 2 has a phenol content of 0.2 mg / L, 8 spider mites, a non-irradiated phenol content of 0. It was 160 mg / L and the number of spider mites was 50.

Table 2 shows 30 days after the lighting irradiation, the blue fluorescent lamp type LED1 has a phenol content of 0.214 mg / L, the number of spider mites, and the green fluorescent lamp type LED 2 has a phenol content of 0.188 mg. / L, number of spider mites, combined light of fluorescent LED 1 of blue light and LED 2 of green light, phenol content 0.251 mg / L, number of spider mites, phenol content of non-irradiated 0. It was 172 mg / L and the number of spider mites was 150.

Describing based on Table 1 as shown in “[0024]” Table 1 and “[0025]” Table 2 described above, the blue fluorescent light LED 1 and the green fluorescent light LED 2 after 10 days of lighting. The composite light has a phenol content of 0.2 mg / L and a number of spider mites, and the blue fluorescent lamp type LED 1 has a phenol content of 0.190 mg / L and a number of spider mites and has a green light fluorescent lamp. Type LED2 had a phenol content of 0.175 mg / L and a number of spider mites of 20 and a non-irradiated phenol content of 0.160 mg / L and a number of spider mites of 50. After 10 days, the number of spider mites appears in the strawberry fixed seedlings with a high phenol content, and the number of spider mites appears in the strawberry fixed seedlings with a low phenol content.

30 days after lighting, the composite light of the blue fluorescent light LED 1 and the green fluorescent light LED 2 has a phenol content of 0.251 mg / L and a spider mite number 0, and the blue fluorescent light LED 1 , Phenol content 0.214 mg / L, spider mite number 0, green light fluorescent LED 2 has a phenol content of 0.188 mg / L, spider mite number 7, and non-irradiated phenol content of 0.172 mg / L L, spider mite number 150. After 30 days, spider mites decrease as the phenol content increases, and the non-lighted strawberry fixed seedlings have a low phenol content, and even after 30 days the strawberry fixed seedlings have no change in phenol content. Spider mites are abnormally increased.

又、表５によると、表４表示の５０日目に消灯し表５表示の表５の如く消灯１５日間にて、青色単独光はフェノール含有量は、０．２８ｍｇ／Ｌから０．１９ｍｇ／Ｌに減少、緑色単独光は、０．２６ｍｇ／Ｌから０．１８ｍｇ／Ｌに減少、青色と緑色の複合光０．３５ｍｇ／Ｌから０．２４ｍｇ／Ｌに減少、無照射は０．１７ｍｇ／Ｌから０．１６ｍｇ／Ｌに微小に減少している。
表１、と表４に基づく考察によると無照射は、フェノール含有量は、微少の減少であるが、青色と緑色の複合光は、表１の含有量０．２ｍｇ／Ｌから表４の含有量０．３５ｍｇ／Ｌに増加、緑色単独光は、表１の含有量０．１７５ｍｇ／Ｌから表４の含有量０．２６ｍｇ／Ｌに増加、青色の単独光は、表１の含有量０．１９ｍｇ／Ｌから表４の含有量０．２８ｍｇ／Ｌに増加量が、増加している。
表１、と表５に基づき考察すると、消灯後１５日目にて、ハダニの減少割合とフェノール含有量とを比較検証すると、緑色単独光ハダニ数が２０から１５、青色単独光７から５、青色と緑色の複合光は８から０であり、フェノール含有量は消灯後１５日目に緑色の単独光は、０．１８ｍｇ／Ｌ、青色の単独光は、０．１９ｍｇ／Ｌ、青色と緑色の複合光は、０．２４ｍｇ／Ｌである。フェノール増加量の多さが消灯後１５日目にてもハダニが減少していることが明らかである。
青色と緑色の複合光は、緑色単独光青色、単独光フェノール含有量が、より多いことにより、ハダニがより多く減少させていることが、表１、表２、表３、表４、表５の表示の如く「［実施例１］」実施例に基づき実証した。As in the above-mentioned “[Example 1]”, the spider mite is planted in the strawberry plant by increasing the phenol content in the planted seedling of the strawberry plant by blue light, green light, the combined light of blue light and green light. It was proved that the leaf fluid of the cadaver was sucked and weakened.

Further, according to Table 5, the light was turned off on the 50th day shown in Table 4 and turned off for 15 days as shown in Table 5 shown in Table 5. The blue single light had a phenol content of 0.28 mg / L to 0.19 mg / L. Reduced to L, green single light decreased from 0.26 mg / L to 0.18 mg / L, blue and green combined light decreased from 0.35 mg / L to 0.24 mg / L, no irradiation 0.17 mg / L It is slightly reduced from L to 0.16 mg / L.
According to the considerations based on Tables 1 and 4, no irradiation has a slight decrease in phenol content, but blue and green composite light has a content of Table 4 from 0.2 mg / L in Table 1. The amount is increased to 0.35 mg / L, the green single light is increased from the content of 0.175 mg / L in Table 1 to the content of 0.26 mg / L in Table 4, and the blue single light is a content of 0 in Table 1. The amount of increase increased from 19 mg / L to the content of 0.28 mg / L in Table 4.
Considering based on Table 1 and Table 5, on the 15th day after the extinction, when comparing the mite reduction ratio and the phenol content, the number of green single light spider mites is 20 to 15, the number of blue single light 7 to 5, Blue and green combined light is 8 to 0, phenol content is 15 days after extinction, green single light is 0.18 mg / L, blue single light is 0.19 mg / L, blue and green The combined light is 0.24 mg / L. It is clear that spider mites are decreasing even on the 15th day after the lights are turned off.
Table 1, Table 2, Table 3, Table 4, Table 5 that blue and green composite light has more green single light blue, single light phenol content, and more spider mites are reduced. As shown in the above, “[Example 1]” was demonstrated based on the example.

Also, based on Tables 3 and 4, as shown in Table 3, blue light phenol, 0.27 mg / L, green light phenol, 0.24 mg / L, blue and green composite light phenol 0.31 mg / L, As shown in Table 4, blue light phenol, 0.28 mg / L, green light phenol, 0.26 mg / L, and blue and green composite light phenol 0.35 mg / L.

Keldar nitrogen in the leaves of the strawberry fixed seedlings shown in Table 3, that is, the protein concentration governing the nutrient concentration in the leaves, as shown in Table 3, blue light Kjeldahl nitrogen is 100 PPM, green light Kjeldahl nitrogen is 110 PPM, blue And the green composite light Kjeldahl nitrogen is 135 PPM.

The display in Table 4 displays 108 PPM for blue light Kjeldahl nitrogen, 123 PPM for green light Kjeldahl nitrogen, and 146 PPM for blue and green combined light Kjeldahl nitrogen.

In the display 3, the number of leaves developed is 13 for blue light, 14 for green light, and 15 for blue and green combined light.

In display 4, there are 14 blue lights, 15.5 green lights, and less than 17 blue and green combined lights.

According to the data of the above display 3 and display 4, considering the complex light of the blue and green phenol content, the nutrient concentration in the leaf body is increased even if it is increased from 0.31 mg / L to 0.35 mg / L. The increase in Kjeldahl nitrogen from 135 PPM to 146 PPM increases the number of leaves of the strawberry fixed planting seeds from 15 to less than 17.

The phenol content of blue single light is increased from 0.27 mg / L to 0.28 mg / L. Kjeldahl nitrogen, which controls the nutrient concentration in the leaves, has increased from 100 PPM to 108 PPM.

The phenol content of green single light is increased from 0.24 mg / L to 0.26 mg / L, and Kjeldahl nitrogen, which controls the nutrient concentration in the leaves, is increased from 110 PPM to 123 PPM.

Blue single light has increased from 13 to 14.

Green single light has increased from 14 to 15.5.

The number of blue and green combined lights with the number of leaves of the strawberry planted seedlings increased from 15 to less than 17.

Blue and green composite light has a growth rate due to a large increase in Kjeldahl nitrogen, that is, the difference in the number of leaf deployments, that is, blue single light is 1.5, green single light is 1.5, and blue and green composite light is 2 The effect of the difference in the development of single wafers can be demonstrated as the effect of growth by increasing Kjeldahl nitrogen.

Utilizing a composite light beam of blue light, green light, yellow light, and red light, the nutrient protein in the growing plant body, Kjeldahl nitrogen is also increased, and the content of phenol in the fixed strawberry seedlings during the growth of the fixed strawberry seedlings Also increase.

If the phenol content of the pest control effect is excessively increased, the stress that can suppress the growth of the growing plant must be relieved.

Moreover, the plant growth control method that can increase the growth and production speed of the plant and also control the pests irradiates the plant with an apparatus having a composite light beam of blue light, green light, yellow light, and red light, so that the strawberry fixed planting The fact that it has become possible to grow plants by increasing Kjeldahl nitrogen in the foliage and increasing the phenol content will be described based on examples.

The strawberry fixed planting under cultivation is planted in a house of 1,900 fixed seedlings at a depth of 6m in the greenhouse 6m depth and set as a comparative test section for the content of Kjeldahl nitrogen and phenol content of the strawberry fixed planting seedlings in the greenhouse 50m.

Based on FIG. 6, FIG. 7, FIG. 8, FIG. 9, FIG. 10, FIG. 10 and Table 6, Table 7, Display 8, “[Example 2]” in the greenhouse described in “[0037]”. This will be described in detail. As shown in the elevation view of arrow EE in the greenhouse plan view 6 and the display of FIG. 7, a green light green LED and a yellow light yellow LED are arranged at a height of 1.5 m on the upper surface of the strawberry planted seedling 11. , The LED having a composite light beam, the arrangement of the yellow light yellow LED with respect to the green light green LED, the installation ratio is about 5%, and in the arrangement, the green LED The yellow LED is placed repeatedly and arranged several times while maintaining the arrangement ratio of about 5%. The LED 8 having the composite light beam having the composite light beam is a plan view of the greenhouse, and the greenhouse 10 is displayed as shown in FIG. At a depth of 5 m, it was hung in parallel with the front of the house 10 at intervals of 5 m.

Next, as shown in the elevation view of the FF arrow in the greenhouse plan view 6 and the display of FIG. 8, the green LED with green light and the red light with red light at a height of 1.5 m on the upper surface of the fixed seedling 12 of the strawberry plant. The LED is an LED having a composite light beam that is arranged and installed, and the arrangement and installation ratio of the red LED of the red light is about 5% with respect to the green LED of the green light. On the other hand, the red LEDs are repeatedly arranged several times while maintaining an arrangement ratio of about 5%. LED9 which has the said composite light beam which has the said composite light beam was suspended and installed in the depth of the greenhouse 10 at the 5-m space | interval in parallel with the opening of the greenhouse 10 like the display of a greenhouse.

Next, as shown in the plan view of the greenhouse, the GG arrow elevation view of FIG. 6 and the display of FIG. The yellow LED is a LED having a composite light beam, and the installation ratio of the yellow light yellow LED is about 5% with respect to the green light green LED. On the other hand, the yellow LEDs are repeatedly arranged several times while maintaining the arrangement ratio of about 5%.
LED8 which has the said composite light beam which has the composite light beam of the green light of the said LED, and a yellow light ray was suspended and installed by 5 m space | interval.
A plan view of the greenhouse at an intermediate portion between the LED 8 having the composite light beam and the LED 8 having the composite light beam, a blue fluorescent light type blue LED 15 in a direction perpendicular to the front edge of FIG. 6, and a plan view of the greenhouse in FIG. It was suspended and installed.

Next, as shown in the plan view of the greenhouse, the HH arrow elevation view of FIG. 6, and the display of FIG. The red LED is an LED having a composite light beam, and the installation ratio of the red LED of the red light is about 5% with respect to the green LED of the green light. On the other hand, the red LEDs are repeatedly arranged several times while maintaining an arrangement ratio of about 5%.
LED9 which has the said composite light beam which has the composite light beam of the green light of this LED and a red light beam was suspended and installed by 5 m space | interval.
6 is a plan view of the greenhouse in the middle of the LED 9 having the composite light beam and the LED 9 having the composite light beam, and a blue light fluorescent blue LED 15 in a direction perpendicular to the entrance of FIG. 6 is a plan view of the greenhouse. It was suspended and installed.

As described in “[0045]”, “[0046]”, “[0047]”, and “[0048]”, the arrangement and installation ratio of yellow light yellow LEDs with respect to green light green LEDs are as follows. The composite light beam having a composite light beam, which is about 5%, and in the arrangement, the yellow LED is repeatedly arranged several times while maintaining the arrangement ratio of about 5% with respect to the green LED. The planted seedlings 11 were irradiated from the height of 1.5 m of the strawberry plant.

The arrangement and installation ratio of the red LED of the red light with respect to the green LED of the green light is about 5%, and in the arrangement, the red LED maintains an arrangement ratio of about 5% with respect to the green LED. The planted seedlings 12 were irradiated from a height of 1.5 m of the strawberry plant with the LED 9 having the composite light beam, which was repeatedly placed several times and installed.

The arrangement and installation ratio of yellow LED of yellow light to green LED of green light is about 5%, and in the arrangement, the yellow LED maintains an arrangement ratio of about 5% with respect to the green LED. A plan view of the house in the middle of the LED 8 having the composite light beam and the LED 8 having the composite light beam, which is repeatedly placed several times and arranged, and fluorescence of blue light in a direction perpendicular to the front of FIG. The light blue LED 15 was suspended and installed as shown in the plan view of the greenhouse, as shown in FIG. 6, and the planted seedling 13 was irradiated with composite light from a height of 1.5 m of the strawberry plant.

In addition, the arrangement and installation ratio of the red LED of the red light with respect to the green LED of the green light is about 5%. In the arrangement, the red LED has an arrangement ratio of about 5% with respect to the green LED. While being arranged repeatedly several times, the fluorescent light of blue light in the direction perpendicular to the frontage of the house plan view 6 at the middle part of the LED 9 having the composite light beam and the LED 9 having the composite light beam, which is installed repeatedly The type blue LED 15 was suspended and installed as shown in the plan view of the greenhouse, as shown in FIG. 6, and the planted seedling 14 was irradiated with composite light from a height of 1.5 m of the strawberry plant.

但し 表６、表７のデータの、いちご定植苗の無照射データは下記の表示８の通り。

表、表示についてＬＥＤの光源、表６、表７の緑色と黄色の複合光とは、緑色光の緑色ＬＥＤと黄色光の黄色ＬＥＤが配置、設置されている複合光線を有するＬＥＤで、緑色光の緑色ＬＥＤに対して黄色光の黄色ＬＥＤの配置、設置割合は、約５％であり、配列にては、当該緑色ＬＥＤに対して当該黄色ＬＥＤは、約５％なる配置割合を保持しつつ数回繰り返し置き並べられて設置されている、当該複合光線を有するＬＥＤである。In the greenhouse 10, the strawberry fixed seedling 11, the strawberry fixed seedling 12, the strawberry fixed seedling 13 and the strawberry fixed seedling 14 are turned on for 40 days and displayed in Table 6. After 40 days of irradiation treatment, the lights are turned off for 10 days. Table 7 and the degree of phenol content and Kjeldahl nitrogen content in the leaves of the fixed seedlings of the strawberry plant were compared and verified and displayed in Table 6, Table 7, and Display 8.

However, the non-irradiation data of strawberry fixed seedlings in the data of Tables 6 and 7 is shown in the following display 8.

Tables and displays LED light source, green and yellow composite light in Tables 6 and 7 are green light and green light yellow LEDs that are arranged and installed, and have green light. The arrangement and installation ratio of yellow light yellow LED to the green LED is about 5%, and in the arrangement, the yellow LED maintains an arrangement ratio of about 5% with respect to the green LED. It is LED which has the said composite light beam installed repeatedly and arranged several times.

Table, display LED light source, Table 6, Table 7 Green and red composite light is an LED having a composite light beam in which a green green LED and a red red LED are arranged and installed. The arrangement and installation ratio of the red LED of red light with respect to the green LED is about 5%, and in the arrangement, the red LED is several times while maintaining the arrangement ratio of about 5% with respect to the green LED. It is LED which has the said composite light ray installed repeatedly arranged side by side.

Table, LED light source, green and yellow composite light + blue light in Table 6 and Table 7 are LEDs having a composite light beam in which a green light green LED and a yellow light yellow LED are arranged and installed. The installation ratio of yellow LED of yellow light to green LED of green light is about 5%, and in the arrangement, the yellow LED maintains an arrangement ratio of about 5% with respect to the green LED. This is a composite light of an LED having a composite light beam and a blue fluorescent LED of blue light, which is repeatedly placed several times.

Table, LED light source, green and red composite light + blue light in Table 6 and Table 7 are LEDs in which a green green LED and a red red LED are arranged and installed. The installation ratio of red LED of red light to green LED is about 5%, and in the arrangement, the red LED is repeatedly placed several times while maintaining the arrangement ratio of about 5% to the green LED. The LED having a composite light beam arranged in a line is a composite light of an LED having the composite light beam and a blue fluorescent LED of blue light.

Table 6 shows that the phenol content of the green and yellow composite light on the 40th day after the lighting irradiation is 0.245 mg / L, and the green and yellow composite light on the 10th day after the light is turned off in Table 7 The phenol content is reduced to 0.178 mg / L.

Table 6 shows that the phenol content of the green and red composite light on the 40th day after the lighting irradiation is 0.2 mg / L, and the green and red composite light on the 10th day after the extinction of Table 7 The phenol content is reduced to 0.128 mg / L.

Table 6 shows that the phenol content of the green and yellow composite light + blue light, which is 40 days after the lighting irradiation, is 0.30 mg / L. The phenol content of the composite light + blue light is reduced to 0.23 mg / L.

Table 6 shows that the phenol content of the composite light of green and red + blue light, which is 40 days after the lighting irradiation, is 0.26 mg / L. The phenol content of the composite light + blue light is reduced to 0.180 mg / L.

Table 6 shows that the Kjeldahl nitrogen content of the green and yellow composite light, which is the 40th day after the lighting irradiation, is 120 PPM, and the Kjeldahl nitrogen content of the green and yellow composite light is 10 days after the light is turned off in Table 7. The amount is reduced to 105 PPM.

Table 6 shows that the Kjeldahl nitrogen content of the green and red composite light on the 40th day after the lighting irradiation is 112 PPM, and the Kjeldahl nitrogen content of the green and red composite light on the 10th day after the extinction of Table 7 The amount is reduced to 98 PPM.

Table 6 shows that the Kjeldahl nitrogen content of the green and yellow composite light + blue light, which is 40 days after the lighting irradiation, is 132 PPM, and the green, yellow + blue light of 10 days after the light is turned off in Table 7 The Kjeldahl nitrogen content of the composite light is reduced to 120 PPM.

Table 6 shows that the Kjeldahl nitrogen content of the green and red composite light + blue light on the 40th day after the lighting irradiation is 129 PPM, and the green, red + blue light on the 10th day after turning off in Table 7 The Kjeldahl nitrogen content of the composite light is reduced to 118 PPM.

The display 8 is a non-irradiated strawberry fixed planting seedling, and the phenol content is 0.16 mg / L.
The content of Kjeldahl nitrogen is 80 PPM.

Considering based on the above data, the phenol content of the non-irradiated strawberry planted seedling was about 0.16 mg / L as shown in the display 8 even when the strawberry planted seedling was irradiated with the composite light and on the 10th day after the light was turned off. The content of Kjeldahl nitrogen was about 80 PPM.
Nutrients in the plant body while maintaining the phenol content of the strawberry planted seedlings irradiated with compound light as shown in Table 7 and maintaining a high phenol content with the ability to control pests as shown above, as shown in Table 7. Kjeldahl nitrogen, which controls the concentration, also maintains a high value.

Also in Tables 3 and 4, the description described in “[0029]”, the above “[0030]”, “[0031]”, “[0032]”, “[0033]”, “[0034]”, “[ [0035] "[0036]" [0037] "[0038]" [0039] "[0040]" [0041] "[0042]" [0043] "[0044]" [ [0045] "[0046]" [0047] "[0048]" [0049] "[0050]" [0051] "[0052]" [0053] "[0054]" [ [0055] "[0056]" [0057] "[0058]" [0059] "[0060]" [0061] "[0062]" [0063] "[0064]" [ 0065] ”and“ [0066] ” By irradiating the plant in apparatus having a focus light, a method of increasing the phenolic substances with pest control effect gradually increasing the plant itself.

Also in Tables 3 and 4, the description described in “[0029]”, the above “[0030]”, “[0031]”, “[0032]”, “[0033]”, “[0034]”, “[ [0035] "[0036]" [0037] "[0038]" [0039] "[0040]" [0041] "[0042]" [0043] "[0044]" [ [0045] "[0046]" [0047] "[0048]" [0049] "[0050]" [0051] "[0052]" [0053] "[0054]" [ [0055] "[0056]" [0057] "[0058]" [0059] "[0060]" [0061] "[0062]" [0063] "[0064]" [ 0065] ”and“ [0066] ” Since a large increase in the phenolic substance becomes a substance that leads to the suppression of growth of the growing plant, the phenol that increases during the growth of the strawberry fixed planting seedling by increasing the Kjeldahl nitrogen as a nutritional protein in the growing plant. A method for increasing Kjeldahl nitrogen that can also suppress growth caused by substances, relieve stress, increase plant growth and production speed, and control pests.

Irradiation with a device that has a composite light beam of blue light, green light, yellow light, and red light increases the Kjeldahl nitrogen in the leaves of the strawberry planted seedlings, and also increases the amount of phenolic substances that have a pest control effect that gradually increases It was verified that plant growth control became possible by this method.

Is a greenhouse top view. These are AA arrow elevation views. These are BB arrow elevation views. FIG. FIG. Is a greenhouse top view. Is an EE arrow elevation view. These are FF arrow elevation views. FIG. FIG.

1. Blue fluorescent LED 2. Green light fluorescent LED 3. Greenhouse 4. Strawberry planting seedling 5. Strawberry planting planting seedling 6. Strawberry planting planting seedling 7. Strawberry planting planting Seedlings 8 ・ ・ LEDs with a composite beam in which a green LED of green light and a yellow LED of yellow light are arranged and installed
9. LED with compound light beam, where green LED of green light and red LED of red light are arranged and installed
10. ・ Vinylhouse 11. ・ Strawberry fixed planting seedling 12. ・ Strawberry fixed planting seedling 13. ・ Strawberry fixed planting seedling 14. ・ Strawberry fixed planting seedling 15. ・ Blue fluorescent fluorescent blue LED

Claims (25)

The plant leaves are irradiated with blue light at night to increase the phenol content, and adult insects and hatching larvae that increase the phenol content absorb the plant's leaf fluid to grow adult insects and hatching larvae. A method of controlling pests using light that kills them while suppressing them. The plant leaves are irradiated with long-wave light of green light at night to increase the phenol content, and adult insects and hatching larvae that are pests absorb the leaf fluid of the plant to grow adult insects and hatching larvae. A method of controlling pests using light that kills them while suppressing them. A long-wave light of blue light and green light is irradiated from the same plane to the leaves of the plant at night to increase the phenol content, and adult insects and hatching larvae suck the leaf fluid of the plant to infect the insects. A method of pest control using light that kills larvae while suppressing the growth of larvae and hatching larvae. 2. The method of pest control using light according to claim 1, wherein the wavelength of blue light according to claim 1 is 430 nm to 460 nm with a maximum peak of 443 nm. The method for controlling pests using light according to claim 2, wherein the wavelength of the green light according to claim 2 is 480 nm to 560 nm with a maximum peak of 518 nm. 6. The method for controlling pests using light according to claim 4, wherein long-wavelength light of blue light and green light is irradiated to the leaves of the plant from one plane at night. 2, 2, 3, 3, wherein the photon amount of the light irradiated to the leaves of the plant at night is 2 μmol / m ² / s or more and 8 μmol / m ² / s or less. Item 4. The method for controlling pests using light according to item 5, claim 5, and claim 6. The green light LED and the yellow light yellow LED are arranged and installed, and the arrangement and installation ratio of the yellow light yellow LED are small relative to the green light green LED. The yellow LED is placed repeatedly and arranged several times while maintaining a small arrangement ratio with respect to the green LED, and the LED combined light of the green light and yellow light of the LED is combined. Irradiating the plant at night from a single plane, increasing the phenol content, causing adult insects and hatching larvae to absorb the insect's leaf fluid and killing them while suppressing the growth of adult insects and hatching larvae Method and apparatus for increasing phenol content. It is an LED in which a green LED of green light and a red LED of red light are arranged and installed, and the arrangement and installation ratio of the red LED of red light is small with respect to the green LED of green light. With respect to the green LED, the red LED is repeatedly placed several times while maintaining a small arrangement ratio, and the LED combined light of the green light and the red light is combined. The light is used to irradiate the plant at night from a flat surface, and increase the phenol content to kill adult insects and hatching larvae while sucking the plant's leaf fluid and suppressing the growth of adult insects and hatching larvae. Method and apparatus for increasing phenol content. The green light LED and the yellow light yellow LED are arranged and installed, and the installation ratio of the yellow light yellow LED is small with respect to the green light green LED. The yellow LED is placed repeatedly and arranged several times while maintaining a small arrangement ratio with respect to the LED, the LED having the combined light of green light and yellow light of the LED, and blue LED of blue light Are placed on a flat surface and irradiated to the plant at night to increase the phenol content and kill the adult insects and hatching larvae by sucking the leaf fluid of the plant and suppressing the growth of the adult insects and hatching larvae. Method and apparatus for increasing light-utilized phenol content. The green light LED and the red light red LED are arranged and installed, and the arrangement ratio of the red light red LED is small with respect to the green light green LED. The red LED is repeatedly arranged several times while maintaining a small arrangement ratio with respect to the LED, and the LED having the combined light of the green light and the red light of the LED and the blue light of blue light. LED is placed on the plant in a single plane and irradiated at night to increase the phenol content, while adult insects and hatching larvae that are harmful insects suck the leaf fluid of the plant and suppress the growth of adult insects and hatching larvae A method and apparatus for killing light-utilized phenol content. Blue LED of blue light and yellow LED of yellow light are arranged and installed, and the arrangement and installation ratio of yellow LED of yellow light are small with respect to blue LED of blue light. The yellow LED is placed repeatedly and arranged several times while maintaining a small arrangement ratio with respect to the blue LED, and the LED combined light of blue light and yellow light of the LED is combined. Irradiating the plant at night from a single plane, increasing the phenol content, causing adult insects and hatching larvae to absorb the insect's leaf fluid and killing them while suppressing the growth of adult insects and hatching larvae Method and apparatus for increasing phenol content. Blue LED of blue light and red LED of red light are arranged and installed, and the arrangement and installation ratio of red LED of red light are small with respect to blue LED of blue light. The red LED with respect to the blue LED is placed repeatedly and arranged several times while maintaining a small arrangement ratio, and the combined light of the LED having the combined light of the blue light and red light of the LED. The light is used to irradiate the plant at night from a flat surface, and increase the phenol content to kill adult insects and hatching larvae while sucking the plant's leaf fluid and suppressing the growth of adult insects and hatching larvae. Method and apparatus for increasing phenol content. The blue light blue LED and the yellow light yellow LED are arranged and installed, and the installation ratio of the yellow light yellow LED is small relative to the blue light blue LED. The yellow LED is repeatedly arranged several times while maintaining a small arrangement ratio with respect to the LED, the LED having a blue ray and a yellow ray of the LED, and a blue LED of blue light Are placed on a flat surface and irradiated to the plant at night to increase the phenol content and kill the adult insects and hatching larvae by sucking the leaf fluid of the plant and suppressing the growth of the adult insects and hatching larvae. Method and apparatus for increasing light-utilized phenol content. Blue LED of blue light and red LED of red light are arranged and installed, and the arrangement ratio of red LED of red light is small with respect to blue LED of blue light. The red LED is repeatedly arranged several times while maintaining a small arrangement ratio with respect to the LED, and the blue LED and the blue light of the LED having the combined light of the blue light and the red light of the LED. LED is placed on the plant in a single plane and irradiated at night to increase the phenol content, while adult insects and hatching larvae that are harmful insects suck the leaf fluid of the plant and suppress the growth of adult insects and hatching larvae A method and apparatus for killing light-utilized phenol content. Blue LED of blue light and green LED of green light are arranged and installed, and the arrangement and installation ratio of green LED of green light are small with respect to blue LED of blue light. The green LED with respect to the blue LED is placed repeatedly and arranged several times while maintaining a small arrangement ratio, and the combined light of the LED having the combined light of the blue light and the green light of the LED. Irradiating the plant at night from a single plane, increasing the phenol content, causing adult insects and hatching larvae to absorb the insect's leaf fluid and killing them while suppressing the growth of adult insects and hatching larvae Method and apparatus for increasing phenol content. The photon amount of light irradiated to a plant at night is 2 μmol / m ² / s or more and 8 μmol / m ² / s or less, 8, 9, 10, 11. 12. A method and apparatus for increasing the phenol content of light utilization according to claim 12, claim 13, claim 14, claim 15 and claim 16. The green light LED and the yellow light yellow LED are arranged and installed, and the installation ratio of the yellow light yellow LED is small with respect to the green light green LED. The yellow LED is placed repeatedly and arranged several times while maintaining a small arrangement ratio with respect to the LED, the composite light beam of the LED having a composite light beam of the green light and yellow light of the LED A method and apparatus for irradiating a plant at night from one plane, and increasing the content of light-use Kjeldahl nitrogen in the plant for plant growth control. The green light LED and the red light red LED are arranged and installed, and the installation ratio of the red light red LED is small with respect to the green light green LED. The red LED with respect to the LED is placed repeatedly and arranged several times while maintaining a small arrangement ratio, the combined light of the LED having the combined light of the green light and the red light of the LED A method and apparatus for irradiating a plant at night from one plane, and increasing the content of light-use Kjeldahl nitrogen in the plant for plant growth control. The green light LED and the yellow light yellow LED are arranged and installed, and the installation ratio of the yellow light yellow LED is small with respect to the green light green LED. The yellow LED is repeatedly arranged several times while maintaining a small arrangement ratio with respect to the LED, and the LED having the combined light of the green light and the yellow light of the LED and the blue light of blue light. A method and apparatus for arranging LEDs in a single plane, irradiating the plant at night, and increasing the content of light-use Kjeldahl nitrogen in the plant for plant growth control. It is an LED in which a green LED of green light and a red LED of red light are arranged and installed, and the arrangement and installation ratio of the red LED of red light is small with respect to the green LED of green light. The yellow LED is arranged repeatedly several times while maintaining a small arrangement ratio with respect to the green LED, and the LED and the blue light having the combined light of the green light and the red light of the LED. The blue LED is placed on the plant in a plane and irradiated at night to increase the content of light-use Kjeldahl nitrogen in the plant for plant growth control. It is an LED in which a green LED of green light and a blue LED of blue light are arranged, and the installation ratio of the blue LED of blue light is small with respect to the green LED of green light. On the other hand, the blue LED is repeatedly placed several times while maintaining a small arrangement ratio, and the LED has a composite light beam of the LED's green light and blue light. A method and apparatus for increasing the content of light-use Kjeldahl nitrogen to the plant for plant growth control by irradiating from one plane at night. The green light green LED and the blue light blue LED are arranged and installed, and the arrangement and installation ratio of the blue light blue LED are small with respect to the green light green LED. The blue LED is disposed repeatedly and arranged several times while maintaining a small arrangement ratio with respect to the green LED, and the LED and the blue light having the combined light of the green light and the blue light of the LED. The blue LED is placed on the plant in a plane and irradiated at night to increase the content of light-use Kjeldahl nitrogen in the plant for plant growth control. The green light green LED and the blue light blue LED are arranged and installed, and the arrangement and installation ratio of the blue light blue LED are small with respect to the green light green LED. The blue LED is placed repeatedly and arranged several times while maintaining a small arrangement ratio with respect to the green LED, and the LED and the green light having the combined light of the green light and blue light of the LED The green LED is placed on the plant in a single plane and irradiated at night to increase the content of light-use Kjeldahl nitrogen in the plant for plant growth control. The amount of photons of light irradiated to a plant at night is 2 μmol / m ² / s or more and 8 μmol / m ² / s or less, claim 17, claim 18, claim 19, claim 20. A method and an apparatus for increasing the content of Kjeldahl nitrogen using plant light for plant growth control according to claim 21, claim 22, claim 23, claim 24.

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