CN107771555A - A kind of method that pears sugariness is improved using LED - Google Patents
A kind of method that pears sugariness is improved using LED Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
- A01G7/045—Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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Abstract
The invention provides a kind of method that pears sugariness is improved using LED, it is characterized in：A certain proportion of three kinds of light qualities of red, blue, yellow are provided to improve the method for pears sugariness using LED combination light source, wherein using red-light LED, emission wavelength is between 600 ~ 680nm；Blue-ray LED, emission wavelength is between 400 ~ 450nm, and yellow light LED, and emission wavelength is between 550 ~ 600nm.Feux rouges and blue light improve the accumulation of pears soluble protein, and LED gold-tinteds maximumlly improve the accumulation of soluble sugar, so that the sugariness of pears more sweet tea, mouthfeel are more preferable.Wherein, red, blue light is advantageous to the accumulation of albumen and various enzymes, and gold-tinted is advantageous to the accumulation of carbohydrate, and the abundant conversion for improving carbohydrate of enzyme, the content of fructose is improved, therefore, under the synergy of three kinds of different light mediums, the mouthfeel and quality of pears have obtained significantly improving.
Description
Technical field
The present invention relates to technical field of LED illumination, and in particular to a kind of method that pears sugariness is improved using LED.
Background technology
Plant growth be unable to do without illumination, and photosynthesis could be only completed under illumination condition.It is constant in other conditions
In the case of, the yield of crop is directly related with photosynthate.With the continuous development of installation agriculture technology, plant light compensation has ten
Divide wide application prospect.LED can will be converted into visible ray, with common Guangyuan such as halogen as solid-state semiconductor device in shop
Lamp is not both that its spectral region is narrow, and energy consumption is extremely low, only 1/3rd or so of common energy-saving lamp energy consumption.For many years, it is domestic
Outer researcher has carried out substantial amounts of exploration around application of the LED light source in plant illumination field, achieves many progress.Red blue light
And combinations thereof influence of the light source to growth and development of plants studies have shown that red blue light as the feasible of light source cultivated plant
Property, but the checking that relevant report carries out combination of light sources in reddish yellow indigo plant three plant culture is yet there are no, compound light quality is than single
Light quality is more suitable for plant growth, and carrying out related excellent training using multiple light courcess screens, and obtains more excellent output.
Pears are important woody economic fruits, in China's fruits output, are only second to apple, citrus, occupy the 3rd.It is near several
Year, the subject matter according to present in the current kind in various regions and the needs developed in the future, pear tree breeding work bear first fruit,
It is bred as numerous improved seeds.Greenhouse pears due to regulation fructescence, increasing benefit, prevention natural calamity etc. advantage and
Developed rapidly in the range of coastal area, studies have shown that, greenhouse cultivation pears are due to photosynthetic deficiency, generally existing fruit
The phenomenon of quality decline.
The influence that different light medium accumulates for effective ingredients in plant is not quite similar, and blue light processing is advantageous to protein content
Improve, and feux rouges processing is advantageous to the accumulation of carbohydrate.There is researcher's discovery, the American Ginseng sugar content under blue light processing is most
It is low, but blue light is that nitrate reductase activity is maintained at higher level in American Ginseng, improves carrying for leaf soluble protein content content
It is high.
Soluble protein in plant is the constituent of a variety of important enzymes in clay object, is directly connected to plant
Respiration decompose carbohydrate energy supply, form cell, catalysis it is various chemical reaction etc..Soluble protein as body it is important into
Divide, the primary objects of organism basis, its formation is influenceed by the light of different wave length.Action spectrum display improves soluble egg
For the increased most effective wavelength of Bai Hanliang near 460nm and 370nm, this is by selecting different light medium processing to improve in plant
Content that soluble protein contains, improve plant growth and provide theoretical foundation.
Based on background above, we by verifying repeatedly, it is proposed that a kind of method that pears sugariness is improved using LED, its
Feature is：Red-light LED is included using LED, emission wavelength is between 600 ~ 680nm；Blue-ray LED, emission wavelength be 400 ~
Between 450nm, and yellow light LED, emission wavelength is between 550 ~ 600nm.Feux rouges and blue light improve pears soluble protein
Accumulation, and LED gold-tinteds maximumlly improve the accumulation of soluble sugar, so that the sugariness of pears more sweet tea, mouthfeel are more preferable.This
Equipment involved by technical scheme is conventional lighting devices, and operating technology is simple, can Automated condtrol the characteristics of, can extensive use
Equipment in orchard, the product quality in orchard is greatly enhanced, there is significant economic benefit.
The content of the invention
It is an object of the invention to provide a kind of method that pears sugariness is improved using LED, it has, and equipment cost is cheap,
It is simple to operate, can Automated condtrol the characteristics of, can be widely applied to the equipment in orchard, be greatly enhanced the product quality in orchard,
With significant economic benefit.
Concrete technical scheme of the present invention is as follows：
A kind of method that pears sugariness is improved using LED, it is characterised in that improve pears solubility egg using LED feux rouges and blue light
White accumulation, and the accumulation of soluble sugar is maximumlly improved using LED gold-tinteds, so that the sugariness of pears more sweet tea, mouth
Sense is more preferable, and specific implementation comprises the following steps：
（1）The assembling of LED light source device：Selection is red, blueness, the LED of yellow, and it is fixed on into face with dot matrix
On plate, LED combination light source is formed；
（2）The fixed light source support at the top of greenhouse, a number of LED combination light source is installed on support, can be to pears
Tree is sufficiently irradiated, meanwhile, greenhouse carries out shading treatment with opaque material；The angle of LED combination light source is adjusted, so that
Light source can control intensity of illumination and pinpoint detection intensity of illumination with illumination photometer, make the light at greenhouse ground to pear tree uniform irradiation
According to intensity within the specific limits；
（3）The pears that will be plucked are irradiated at daily night, using discontinuous radiation modality, after often irradiating a period of time,
Stop irradiation a period of time, daily total irradiation time controlled by system, and control the day temperature and nocturnal temperature in canopy,
Untill pears are by harvesting.
Preferably, step（1）Red in described LED light source, blueness, the power of yellow led luminescent device are 3 ~ 10W.
Preferably, step（1）Red in described LED light source, blueness, the ratio of yellow led luminescent device are 10:（4~
6）:（3~4）.
Preferably, step（1）Red in described LED light source, blueness, the emission wavelength difference of yellow led luminescent device
Between 600 ~ 680nm of feux rouges, between 400 ~ 450nm of blue light, and between 550 ~ 600nm of yellow wavelengths.
Preferably, step（2）It is fixed between described LED combination light source and support using universal joint.
Preferably, step（2）Intensity of illumination at described inner greenhouse ground face is in the range of 1800 ~ 2500lx.
Preferably, step（3）The described pears that will be plucked are to be plucked after 5 ~ 7 days.
Preferably, step（3）Described irradiation time is 1.7 ~ 2.2 hours, and it is 0.8 ~ 1.2 hour to stop irradiation time.
Preferably, step（3）Nocturnal temperature is 25 ~ 28 DEG C in described canopy.
Due to sugar and albumen, distribution in fruit and accumulation are the most important factors of decision fruit quality, sugared in fruit
Accumulation is more than the result of various enzyme interactings, while accumulation, soluble sugar and transhipment egg also with sugar under photosynthesis
The factors such as interaction, sugar transportation instrumentality activity and its regulation mechanism between white have close relationship.Fruit enters
There is corresponding relation in the sense of taste value of maturity period soluble sugar component, with the ratio that the soluble sugar accounts for total reducing sugar still, no matter high sugarcane
Carbohydrate type or low sucrose type kind, the sense of taste value of fructose is maximum, is the main sugar for determining the final sugariness of fruit.Common cultivation
Under the conditions of, light radiation light quality lack of targeted, thus easily produce that trees are low to the utilization rate of light radiation, certain light quality light radiation
The situation of deficiency, albumen caused by blade and carbohydrate deficiency are directly resulted in, so that it is supplied to the assimilation quotient of fruit
Corresponding to reduce, therefore the quality such as sugariness of fruit declines.
The technical program proposes one kind and provides a certain proportion of three kinds of light qualities of red, blue, yellow using LED combination light source to carry
The method of high pears sugariness, wherein, feux rouges and blue light improve the accumulation of pears soluble protein, and LED gold-tinteds maximumlly improve
The accumulation of soluble sugar, so that the sugariness of pears more sweet tea, mouthfeel are more preferable.Different light qualities can trigger different light receptors, enter
And adjust and control the accumulation of vine growth and development and active ingredient.Different light medium also differs to different ozone deplations,
Need to be made a concrete analysis of according to the growing state of specific plant, feed different light qualities.For pears, blue and red light quality
Be advantageous to the raising of the soluble protein such as enzyme, transport protein in its fruit, hot, blue light ratio is close to 10:（4~6）When, most
Be advantageous to the development of pears and the accumulation of various stromatins and enzyme, but accumulation of the red, blue light to sugar in fruit does not improve work
With；After certain proportion yellow light quality is increased, the content of soluble sugar is apparently higher than being not added with before yellow light quality in fruit；Choosing
It is combined with red, blue and yellow three kinds of light qualities to obtain the optimization of albumen and sugared content, wherein, red, blue light is advantageous to albumen
With the accumulation of various enzymes, gold-tinted is advantageous to the accumulation of carbohydrate, and the abundant conversion for improving carbohydrate of enzyme, improves fructose
Content, therefore, while three kinds of different light mediums act under, the mouthfeel and quality of pears have obtained significantly improving.
The invention provides it is a kind of using LED improve pears sugariness method, its protrude the characteristics of and excellent effect exist
In：
（1）The present invention using LED combination light source improve pears sugariness, equipment cost is cheap, simple to operate, can be achieved illumination from
Dynamicization manages；
（2）This LED combination light source package designs for the growth of greenhouse pears, wherein, red, blue light is advantageous to albumen and various enzymes
The accumulation of class, gold-tinted are advantageous to the accumulation of carbohydrate, and the abundant conversion for improving carbohydrate of enzyme, improve the content of fructose,
Therefore, under the synergy of three kinds of different light mediums, the mouthfeel and quality of pears have obtained significantly improving；
（3）The inventive method is designed using LED combination light source package for the growth of greenhouse pears, and various light qualities, which are obtained for, to be filled
The utilization divided, capacity usage ratio is high, economical and environmentally friendly；
（4）This LED combination light source can easily be equipped on the plantation of greenhouse pears, can greatly improve the yield and mouthfeel of pears, have
Obvious economic benefit.
Embodiment
Below by way of embodiment, the present invention is described in further detail, but this should not be interpreted as to the model of the present invention
Enclose and be only limitted to following example.In the case where not departing from above method thought of the present invention, according to ordinary skill knowledge
The various replacements or change made with customary means, should be included in the scope of the present invention.
Embodiment 1
A kind of method that pears sugariness is improved using LED, its specific implementation steps are as follows：
It is 3W's that preparation, which lights as red light wavelength 660nm, blue light wavelength 440nm, and yellow wavelengths 580nm three kinds of power,
LED, according to 20 red-light LEDs, 10 blue-ray LEDs, the dosages of 8 yellow light LEDs by LED component it is dispersed it is solid
It is scheduled on panel, forms a LED combination light source, switch control then is carried out to combined light source using Control System of Microcomputer；
Fixed light source support at the top of greenhouse, support is installed on by LED combination light source according to the density of every 1.5 meters of one group of LED combination light sources
On, LED combination light source and between using universal joint connect, pear tree can sufficiently be irradiated；Adjust LED combination light source
Angle, to control intensity of illumination and light source is detected intensity of illumination with illumination photometer, and pass through microcomputer to pear tree uniform irradiation
Control system makes the intensity of illumination at greenhouse ground be 2200lx；Using Control System of Microcomputer to greenhouse discontinuous irradiate, often according to
After penetrating for 2.1 times, stop 1.2 times of irradiation, i.e., irradiate 4 times every night；It is 26 DEG C to control the nocturnal temperature in canopy, is continuously being implemented
Plucked within 5 days after LED illumination.
After the greenhouse pears harvesting in embodiment 1, take fresh pear flesh to grind, extract solution is made after filtration treatment, takes and carries
Liquid is taken to determine fructose content in solution, total sugar content and protein content respectively using high performance liquid chromatography, and without LED groups
The common greenhouse pears of closing light source irradiation compare, and obtained data are as shown in table 1.It can be seen that the pears that embodiment 1 is cultivated, with without
The common pear fruit for crossing the irradiation of LED combination light source is compared, fresh weight raising reachable more than 30%, and soluble sugar content raising reachable 35 ~
45%, and the wherein content increase of fructose is up to 55 ~ 80%, the increase of soluble protein is up to can be to 50 ~ 70%, and embodiment 1
Pears are more preferable in intuitively sugariness more sweet tea, mouthfeel, it is seen that the quality of pears is significantly improved.
Embodiment 2
A kind of method that pears sugariness is improved using LED, its specific implementation steps are as follows：
It is 5W's that preparation, which lights as red light wavelength 620nm, blue light wavelength 440nm, and yellow wavelengths 560nm three kinds of power,
LED, according to 10 red-light LEDs, 5 blue-ray LEDs, the dosages of 4 yellow light LEDs by LED component it is dispersed it is solid
It is scheduled on panel, forms a LED combination light source, switch control then is carried out to combined light source using Control System of Microcomputer；
Fixed light source support at the top of greenhouse, support is installed on by LED combination light source according to the density of every 1.5 meters of one group of LED combination light sources
On, LED combination light source and between using universal joint connect, pear tree can sufficiently be irradiated；Adjust LED combination light source
Angle, to control intensity of illumination and light source is detected intensity of illumination with illumination photometer, and pass through microcomputer to pear tree uniform irradiation
Control system makes the intensity of illumination at greenhouse ground be 2000lx；Using Control System of Microcomputer to greenhouse discontinuous irradiate, often according to
After penetrating for 2 times, stop 1 time of irradiation, i.e., irradiate 4 times every night；It is 28 DEG C to control the nocturnal temperature in canopy, and Continuous irradiation is after 6 days
Plucked.
After the greenhouse pears harvesting in embodiment 2, take fresh pear flesh to grind, extract solution is made after filtration treatment, takes and carries
Liquid is taken to determine fructose content in solution, total sugar content and protein content respectively using high performance liquid chromatography, and without LED groups
The common greenhouse pears of closing light source irradiation compare, and obtained data are as shown in table 1.It can be seen that the pears that embodiment 2 is cultivated, with without
The common pear fruit for crossing the irradiation of LED combination light source is compared, fresh weight raising reachable more than 30%, and soluble sugar content raising reachable 35 ~
45%, and the wherein content increase of fructose is up to 55 ~ 80%, the increase of soluble protein is up to can be to 50 ~ 70%, and embodiment 2
Pears are more preferable in intuitively sugariness more sweet tea, mouthfeel, it is seen that the quality of pears is significantly improved.
Embodiment 3
A kind of method that pears sugariness is improved using LED, its specific implementation steps are as follows：
It is 8W's that preparation, which lights as red light wavelength 660nm, blue light wavelength 420nm, and yellow wavelengths 560nm three kinds of power,
LED, according to 10 red-light LEDs, 4 blue-ray LEDs, the dosages of 3 yellow light LEDs by LED component it is dispersed it is solid
It is scheduled on panel, forms a LED combination light source, switch control then is carried out to combined light source using Control System of Microcomputer；
Fixed light source support at the top of greenhouse, support is installed on by LED combination light source according to the density of every 1.5 meters of one group of LED combination light sources
On, LED combination light source and between using universal joint connect, pear tree can sufficiently be irradiated；Adjust LED combination light source
Angle, to control intensity of illumination and light source is detected intensity of illumination with illumination photometer, and pass through microcomputer to pear tree uniform irradiation
Control system makes the intensity of illumination at greenhouse ground be 2400lx；Using Control System of Microcomputer to greenhouse discontinuous irradiate, often according to
After penetrating for 1.75 times, stop 1.05 times of irradiation, i.e., irradiate 4 times every night；It is 25 DEG C to control the nocturnal temperature in canopy, Continuous irradiation
Plucked after 6 days.
After the greenhouse pears harvesting in embodiment 3, take fresh pear flesh to grind, extract solution is made after filtration treatment, takes and carries
Liquid is taken to determine fructose content in solution, total sugar content and protein content respectively using high performance liquid chromatography, and without LED groups
The common greenhouse pears of closing light source irradiation compare, and obtained data are as shown in table 1.It can be seen that the pears that embodiment 3 is cultivated, with without
The common pear fruit for crossing the irradiation of LED combination light source is compared, fresh weight raising reachable more than 30%, and soluble sugar content raising reachable 35 ~
45%, and the wherein content increase of fructose is up to 55 ~ 80%, the increase of soluble protein is up to can be to 50 ~ 70%, and embodiment 3
Pears are more preferable in intuitively sugariness more sweet tea, mouthfeel, it is seen that the quality of pears is significantly improved.
Embodiment 4
A kind of method that pears sugariness is improved using LED, its specific implementation steps are as follows：
It is 10W's that preparation, which lights as red light wavelength 640nm, blue light wavelength 430nm, and yellow wavelengths 550nm three kinds of power,
LED, according to 5 red-light LEDs, 3 blue-ray LEDs, the dosages of 2 yellow light LEDs by LED component it is dispersed it is fixed
On panel, a LED combination light source is formed, switch control then is carried out to combined light source using Control System of Microcomputer；Big
Ceiling portion fixed light source support, LED combination light source is installed on support according to the density of every 1.5 meters of one group of LED combination light sources,
LED combination light source and between using universal joint connect, pear tree can sufficiently be irradiated；Adjust LED combination light source
Angle, to control intensity of illumination and make light source to detect intensity of illumination with illumination photometer, and pass through microcomputer control to pear tree uniform irradiation
System processed makes the intensity of illumination at greenhouse ground be 1800lx；Greenhouse discontinuous is irradiated using Control System of Microcomputer, often irradiated
After 2.2 times, stop 1 time of irradiation, i.e. irradiation 4 times daily；It is 27 DEG C to control the nocturnal temperature in canopy, after irradiation in continuous 7 days
Plucked.
After the greenhouse pears harvesting in embodiment 4, take fresh pear flesh to grind, extract solution is made after filtration treatment, takes and carries
Liquid is taken to determine fructose content in solution, total sugar content and protein content respectively using high performance liquid chromatography, and without LED groups
The common greenhouse pears of closing light source irradiation compare, and obtained data are as shown in table 1.It can be seen that the pears that embodiment 4 is cultivated, with without
The common pear fruit for crossing the irradiation of LED combination light source is compared, fresh weight raising reachable more than 30%, and soluble sugar content raising reachable 35 ~
45%, and the wherein content increase of fructose is up to 55 ~ 80%, the increase of soluble protein is up to can be to 50 ~ 70%, and embodiment 4
Pears are more preferable in intuitively sugariness more sweet tea, mouthfeel, it is seen that the quality of pears is significantly improved.
Embodiment 5
A kind of method that pears sugariness is improved using LED, its specific implementation steps are as follows：
It is 3W's that preparation, which lights as red light wavelength 680nm, blue light wavelength 440nm, and yellow wavelengths 580nm three kinds of power,
LED, according to 10 red-light LEDs, 4 blue-ray LEDs, the dosages of 4 yellow light LEDs by LED component it is dispersed it is solid
It is scheduled on panel, forms a LED combination light source, switch control then is carried out to combined light source using Control System of Microcomputer；
Fixed light source support at the top of greenhouse, support is installed on by LED combination light source according to the density of every 1.5 meters of one group of LED combination light sources
On, LED combination light source and between using universal joint connect, pear tree can sufficiently be irradiated；Adjust LED combination light source
Angle, to control intensity of illumination and light source is detected intensity of illumination with illumination photometer, and pass through microcomputer to pear tree uniform irradiation
Control system makes the intensity of illumination at greenhouse ground be 2000lx；Using Control System of Microcomputer to greenhouse discontinuous irradiate, often according to
After penetrating for 2 times, stop 0.8 time of irradiation, i.e. irradiation 4 times daily；It is 26 DEG C to control the nocturnal temperature in canopy, the evening of Continuous irradiation 5
After plucked.
After the greenhouse pears harvesting in embodiment 5, take fresh pear flesh to grind, extract solution is made after filtration treatment, takes and carries
Liquid is taken to determine fructose content in solution, total sugar content and protein content respectively using high performance liquid chromatography, and without LED groups
The common greenhouse pears of closing light source irradiation compare, and obtained data are as shown in table 1.It can be seen that the pears that embodiment 5 is cultivated, with without
The common pear fruit for crossing the irradiation of LED combination light source is compared, fresh weight raising reachable more than 30%, and soluble sugar content raising reachable 35 ~
45%, and the wherein content increase of fructose is up to 55 ~ 80%, the increase of soluble protein is up to can be to 50 ~ 70%, and embodiment 5
Pears are more preferable in intuitively sugariness more sweet tea, mouthfeel, it is seen that the quality of pears is significantly improved.
Embodiment 6
A kind of method that pears sugariness is improved using LED, its specific implementation steps are as follows：
It is 8W's that preparation, which lights as red light wavelength 660nm, blue light wavelength 420nm, and yellow wavelengths 570nm three kinds of power,
LED, according to 10 red-light LEDs, 6 blue-ray LEDs, the dosages of 4 yellow light LEDs by LED component it is dispersed it is solid
It is scheduled on panel, forms a LED combination light source, switch control then is carried out to combined light source using Control System of Microcomputer；
Fixed light source support at the top of greenhouse, support is installed on by LED combination light source according to the density of every 1.5 meters of one group of LED combination light sources
On, LED combination light source and between using universal joint connect, pear tree can sufficiently be irradiated；Adjust LED combination light source
Angle, to control intensity of illumination and light source is detected intensity of illumination with illumination photometer, and pass through microcomputer to pear tree uniform irradiation
Control system makes the intensity of illumination at greenhouse ground be 2500lx；Using Control System of Microcomputer to greenhouse discontinuous irradiate, often according to
After penetrating for 1.8 times, stop 1.1 times of irradiation, i.e. irradiation 4 times daily；It is 25 DEG C to control the nocturnal temperature in canopy, Continuous irradiation 7
Plucked after evening.
After the greenhouse pears harvesting in embodiment 6, take fresh pear flesh to grind, extract solution is made after filtration treatment, takes and carries
Liquid is taken to determine fructose content in solution, total sugar content and protein content respectively using high performance liquid chromatography, and without LED groups
The common greenhouse pears of closing light source irradiation compare, and obtained data are as shown in table 1.It can be seen that the pears that embodiment 6 is cultivated, with without
The common pear fruit for crossing the irradiation of LED combination light source is compared, fresh weight raising reachable more than 30%, and soluble sugar content raising reachable 35 ~
45%, and the wherein content increase of fructose is up to 55 ~ 80%, the increase of soluble protein is up to can be to 50 ~ 70%, and embodiment 6
Pears are more preferable in intuitively sugariness more sweet tea, mouthfeel, it is seen that the quality of pears is significantly improved.
Comparative example 1
A kind of method that pears sugariness is improved using LED, its specific implementation steps are as follows：
Preparation lights as red light wavelength 660nm, blue light wavelength 420nm, and power is 8W LED, according to 10 feux rouges
LED, the dosages of 6 blue-ray LEDs by LED component it is dispersed be fixed on panel, form a LED combination light source, then
Switch control is carried out to combined light source using Control System of Microcomputer；The fixed light source support at the top of greenhouse, LED combination light source is pressed
Be installed on according to the density of every 1.5 meters of one group of LED combination light sources on support, LED combination light source and between using universal joint connect, make
It can sufficiently be irradiated to pear tree；The angle of LED combination light source is adjusted, to control intensity of illumination and make light source can be to pear tree
Uniform irradiation, intensity of illumination is detected with illumination photometer, and make the intensity of illumination at greenhouse ground be by Control System of Microcomputer
2500lx；Greenhouse discontinuous is irradiated using Control System of Microcomputer, after often irradiating for 1.8 times, stops 1.1 times of irradiation, i.e., it is every
Its irradiation 4 times；It is 25 DEG C to control the nocturnal temperature in canopy, is plucked after the evening of Continuous irradiation 7.
After greenhouse pears harvesting in comparative example 1, take fresh pear flesh to grind, extract solution is made after filtration treatment, takes extraction
Liquid determines fructose content in solution, total sugar content and protein content respectively using high performance liquid chromatography, obtained data such as table 1
It is shown.Lack gold-tinted so that the carbohydrate accumulation for the pears cultivated is relative to be reduced.
Table 1：
Claims (9)
- A kind of 1. method that pears sugariness is improved using LED, it is characterised in that improve pears solubility using LED feux rouges and blue light The accumulation of albumen, and the accumulation of soluble sugar is maximumlly improved using LED gold-tinteds, so that the sugariness of pears more sweet tea, Mouthfeel is more preferable, and specific implementation comprises the following steps：（1）The assembling of LED light source device：Selection is red, blueness, the LED of yellow, and it is uniformly fixed with dot matrix On panel, LED combination light source is formed；（2）The fixed light source support at the top of greenhouse, a number of LED combination light source is installed on support, can be to pears Tree is sufficiently irradiated；The angle of LED combination light source is adjusted, so that light source can control intensity of illumination to pear tree uniform irradiation And detection intensity of illumination is pinpointed with illumination photometer, make intensity of illumination at greenhouse ground within the specific limits；（3）The pears that will be plucked are irradiated at daily night, using discontinuous radiation modality, after often irradiating a period of time, Stop irradiation a period of time, intermittent time and daily total irradiation time controlled by system, and control the nocturnal temperature in canopy, Untill pears are by harvesting.
- A kind of 2. method that pears sugariness is improved using LED according to claim 1, it is characterised in that：Step（1）It is described LED light source in red, blueness, the power of yellow led luminescent device be 3 ~ 10W.
- A kind of 3. method that pears sugariness is improved using LED according to claim 1, it is characterised in that：Step（1）It is described LED light source in red, blueness, the ratio of yellow led luminescent device be 10:（4~6）:（3~4）.
- A kind of 4. method that pears sugariness is improved using LED according to claim 1, it is characterised in that：Step（1）It is described LED light source in red, blueness, the emission wavelength of yellow led luminescent device be respectively blue light 400 between 600 ~ 680nm of feux rouges Between ~ 450nm, and between 550 ~ 600nm of yellow wavelengths.
- A kind of 5. method that pears sugariness is improved using LED according to claim 1, it is characterised in that：Step（2）It is described LED combination light source and support between be fixed using universal joint.
- A kind of 6. method that pears sugariness is improved using LED according to claim 1, it is characterised in that：Step（2）It is described Inner greenhouse ground face at intensity of illumination in the range of 1800 ~ 2500lx.
- A kind of 7. method that pears sugariness is improved using LED according to claim 1, it is characterised in that：Step（3）It is described The pears that will be plucked to be plucked after 5 ~ 7 days.
- A kind of 8. method that pears sugariness is improved using LED according to claim 1, it is characterised in that：Step（3）It is described Irradiation time be 1.7 ~ 2.2 hours, stop irradiation time be 0.8 ~ 1.2 hour.
- A kind of 9. method that pears sugariness is improved using LED according to claim 1, it is characterised in that：Step（3）It is described Canopy in nocturnal temperature be 25 ~ 28 DEG C.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109168718A (en) * | 2018-09-04 | 2019-01-11 | 江苏省中国科学院植物研究所 | A kind of light source regulation method for improving fresh food blueberry and adopting rear pol |
| CN111133938A (en) * | 2018-11-05 | 2020-05-12 | 浙江省农业科学院 | Cultivation method for improving sugar content of waxberry fruits by using colored greenhouse film |
| CN113196976A (en) * | 2021-04-27 | 2021-08-03 | 江苏大学 | Method for improving yield and quality of greenhouse crops based on light quality and magnetic field intensity |
| CN113995789A (en) * | 2021-10-29 | 2022-02-01 | 广东石油化工学院 | Equipment for improving naringin content of pummelo peel after picking based on LED lamp and application |
| CN115067135A (en) * | 2022-05-25 | 2022-09-20 | 红河州村邻春上农林开发有限公司 | Planting method for improving sweetness of fruits |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109168718A (en) * | 2018-09-04 | 2019-01-11 | 江苏省中国科学院植物研究所 | A kind of light source regulation method for improving fresh food blueberry and adopting rear pol |
| CN111133938A (en) * | 2018-11-05 | 2020-05-12 | 浙江省农业科学院 | Cultivation method for improving sugar content of waxberry fruits by using colored greenhouse film |
| CN111133938B (en) * | 2018-11-05 | 2022-03-25 | 浙江省农业科学院 | Cultivation method for improving sugar content of waxberry fruits by using colored greenhouse film |
| CN113196976A (en) * | 2021-04-27 | 2021-08-03 | 江苏大学 | Method for improving yield and quality of greenhouse crops based on light quality and magnetic field intensity |
| CN113196976B (en) * | 2021-04-27 | 2022-08-23 | 江苏大学 | Method for improving yield and quality of greenhouse crops based on light quality and magnetic field intensity |
| CN113995789A (en) * | 2021-10-29 | 2022-02-01 | 广东石油化工学院 | Equipment for improving naringin content of pummelo peel after picking based on LED lamp and application |
| CN115067135A (en) * | 2022-05-25 | 2022-09-20 | 红河州村邻春上农林开发有限公司 | Planting method for improving sweetness of fruits |
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