CN104429668A - Light compensation method for culturing seedlings of eggplants through LED lamp - Google Patents
Light compensation method for culturing seedlings of eggplants through LED lamp Download PDFInfo
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- CN104429668A CN104429668A CN201410613081.2A CN201410613081A CN104429668A CN 104429668 A CN104429668 A CN 104429668A CN 201410613081 A CN201410613081 A CN 201410613081A CN 104429668 A CN104429668 A CN 104429668A
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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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- 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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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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 light compensation method for culturing seedlings of eggplants through an LED lamp. The light compensation method is used for compensating for light for the seedlings of the eggplants through red and glue combined light, wherein the red light wavelength is 660 nm, the blue light wavelength is 460 nm, the red and blue light ratio is 7:3 (7R3B) or 8:2 (8R2B) or 9:1 (9R1B), the light compensation time includes 6:00-9:00 AM and 4:00-7:00 PM everyday, and the light compensation intensity ranges from 2500 lx to 3000 lx. In winter and summer, with many cloudy and rainy days, of South China, light compensation is conducted through the LED lamp with the combination of different proportions of red light and blue light, a remarkable promotion effect is achieved for culturing and toughening the seedlings of the eggplants, the fresh weight, the seedling height and the accumulation of aboveground dry substances and underground dry substances of the seedlings of the eggplants are effectively improved, and the chlorophyll content and root system vigor of the seedlings are effectively improved. The seedling toughening indexes of the seedlings of the eggplants are remarkably improved after being processed by 7R3B or 8R2B, and the seedling toughening indexes reach the highest value of 0.00532 under the 8R2B processing.
Description
Technical field
The present invention relates to eggplant seedling raising technical field, particularly, relate to the light compensation method of a kind of LED to eggplant seedling raising.
Background technology
The growth of plant stores organic matter by photosynthesis and realizes, and therefore the impact of growing of Illumination on Plant is very large.The nursery of vegetables is the important steps in vegetable growing, and continuous print wet weather easily causes seedling photosynthesis not enough, state that plant is in " hunger ", thus the normal development suppressing rice shoot.The robustness of seedling will directly affect growing of plant, and closely related with the yield and quality of crop, thus has influence on growing way and the economic benefit of this season growing vegetables.
South China's annual illumination skewness, summer, intensity of illumination can reach 60,000-10 ten thousand lx under sunlight direct irradiation, but at the cloudy day not having the sun, intensity of illumination only has 0.1 ten thousand-0.5 ten thousand lx.At winter-spring season, especially how overcast and rainy the 1-4 month is, and usually occur continuous rainy weather for a long time, directly affects the cultivation of vegetables.Therefore, increasing illumination is the key of winter-spring season nursery, and research shows to utilize artificial light source control technique to be the effective way of nurturing staff.
LED light source is cold light source, compared with traditional light source, there is life-span length, spectroscopic pure, low power consumption and other advantages, because plant mainly concentrates on the royal purple district of 400 ~ 510nm and the blood orange district of 610 ~ 720nm to the absorption of visible ray, therefore use redness and blue led to cultivate plant.Research shows that LED light confrontation plant growth is bred and had significant effect with morphogenesis, as different LED light sources can significantly improve the seedling vigorous index of sponge gourd seedling, improves the physiology quality of sponge gourd seedling simultaneously; Under Different Red blue light combined treatment, red bean shoot vegetable is dry, fresh weight increases to some extent; Different LED light confrontation cucumber, capsicum and tomato totally 6 kinds growth of seedling impact significantly and there are differences, supplement in seedling stage the growth that ruddiness or red blue light can promote cucumber, capsicum and tomato seedling, be conducive to nurturing staff.
Summary of the invention
The applicant is at sloppy winter-spring season, utilize the LED of Different Red blue light proportioning, than the nursery of preferable eggplant, light filling test is carried out to South China people, the LED of research different light medium is to the light filling effect of eggplant seedling raising, the light source in strong sprout that screening is applicable to, for South China's many wet weather facility eggplant seedling raising light filling technology in season provides foundation.
Technical scheme of the present invention is as follows: a kind of LED is to the light compensation method of eggplant seedling raising, and the winter-spring season of many rainy weathers in South China, adopts red blue light to combine and carry out light filling to eggplant seedling, wherein, and red light wavelength 660nm, blue light wavelength 460nm.
Red blue light is than being 7:3 (7R3B), 8:2 (8R2B) or 9:1 (9R1B).
Light filling LED adopts the lamp bar of 50w, and the suspension height of lamp is that the suspension height of fine setting different proportion lamp, makes light filling intensity reach 2500-3000LX from cave dish 0.9-1.1 rice.
The light filling time is every morning 6-9 point, afternoon 4-7 point.
Beneficial effect of the present invention is: LED of the present invention is to the light compensation method of eggplant seedling raising, the season of many rainy weathers in South China, the LED of the red indigo plant combination of different proportion is utilized to carry out light filling, for eggplant nurturing staff, there is significant facilitation, effectively raise the fresh weight of eggplant seedling, height of seedling, acrial part dry matter and under ground portion dry-matter accumulation, the chlorophyll content of effective increase seedling and improving activity of root system, wherein 7R3B, 8R2B process is descended seedling vigorous index and has been contrasted significant difference, under 8R2B process, seedling vigorous index reaches peak 0.00532.
Accompanying drawing explanation
The seedling vigorous index of Fig. 1 different proportion red blue light combined treatment eggplant seedling.Wherein abscissa represents the title of each process, and ordinate represents seedling vigorous index percentage.
Embodiment
1 materials and methods
1.1 material
With the red eggplant of purple light for examination material, test and carried out in Donggnan Banana and Vegetable Institute's green house in 2014.Nursery adopts 50 holes dish (54cmx28cmx4.2cm), and seedling medium adopts import peat soil.
Light filling LED adopts the lamp bar of 50w, and red blue light, than being 7:3 (7R3B), 8:2 (8R2B), 9:1 (9R1B) 3 process, take natural daylight as contrast (CK); Red light wavelength: 660nm, blue light wavelength: 460nm; The suspension height of lamp is from cave dish 0.9-1.1m, and the suspension height of fine setting different proportion lamp, makes light filling intensity reach about 2500-3000LX.
1.2 methods and result
Sowing date is: eggplant was sowed on January 6th, 2014, each process repetition 3 times, each repetition 50 young plant, the morning light filling time every day 6-9 point, 4-7 point, and installed timing controller and carried out timing light filling afternoon.The investigation date is on March 12nd, 2014, and seedling grows to 4 leaf 1 hearts.Each process is randomly drawed 15 strain seedling and is carried out: the mensuration of plant height (from stromal surface to growing point), stem thick (vernier caliper measurement), fresh weight, dry weight (overground part dry weight, underground part dry weight), seedling vigorous index (seedling vigorous index=stem thick/plant height × complete stool dry sample quality).
Chlorophyll adopts portable Chlorophyll meter to measure.
Improving activity of root system adopts TTC method to measure.
Data statistics adopts SPSS17.0, and data analysis and mapping adopt Excel2003, and data are recorded into table 1, and figure is shown in Fig. 1.
The red blue light combined treatment of table 1 different proportion is on the impact of eggplant seedling raising
2 results and analysis
As seen from Table 1,3 different red blue light Combined Led Light Ups all effectively raise the fresh weight of eggplant seedling, height of seedling, acrial part dry matter and under ground portion dry-matter accumulation to eggplant, the chlorophyll content of effective increase seedling and improving activity of root system, and all reach significance level with the difference contrasted.And under 8R2B process, the stem of eggplant seedling slightly reaches the thickest, and the difference between processing with other and contrasting reaches significance level, and contrast stem is slightly minimum.Along with the increase of ruddiness ratio, the height of seedling of eggplant seedling increases gradually, fresh weight, and acrial part dry weight increases gradually, and improving activity of root system improves gradually.According to table 1 the data obtained construction drawing 1, analysis chart 1 is known, adopts 3 kinds of red blue light Combined Led Light Up light fillings, the seedling vigorous index of eggplant all increases, wherein 7R3B, 8R2B process with contrasted significant difference, under 8R2B process, seedling vigorous index reaches peak 0.00532.
3 discuss
Healthy and strong seedling has conclusive effect for the vegetables of production good quality and high output, carries out grow seedlings of vegetable and often causes weak seedling because of scarce light, affect growing of vegetables, and then have influence on the supply of local vegetables at sloppy winter-spring season.The red blue light that present invention utilizes 3 various combinations has carried out light filling experiment to eggplant seedling raising, find that the red blue light combination light filling of different proportion all has impact to the morphological index of each detection of eggplant and physical signs, and compared with natural daylight significant difference, also there is active effects to its seedling vigorous index.
Be provided with red-blue ratio example (R/B) 7/3,8/2,9/1 3 process in this research, along with the increase of R/B value, the plant height of eggplant reduces gradually, and the acrial part dry matter of eggplant reduces.Much research thinks that blue light is conducive to the horizontal overstriking of stem, also studies have found that the combination of red blue light effectively improves stem thick, and this research finds that the red blue light combination of certain proportion effectively can improve the stem of eggplant slightly, and stem slightly increases along with the increase of blue light ratio simultaneously.
The root system of plant is as the important nutrition organs of plant, close with the growth relationship of acrial part, higher improving activity of root system is conducive to the accumulation conversion of Assimilate in plant corpus and absorbing of nutriment, and therefore the height of its activity directly affects growing of overground part and morphogenesis.In this research, the process of 7R3B, 8R2B and 9R1B light filling to increase significantly effect to eggplant seedling improving activity of root system, find the increase along with blue light ratio simultaneously, the improving activity of root system of eggplant improves gradually, visible within the scope of certain proportion of red blue light, blue light is conducive to the improving activity of root system of eggplant seedling, and the research conclusion of this and forefathers is more consistent.
Contents of Photosynthetic Pigments can react plant photosynthetic capability, the increase of Contents of Photosynthetic Pigments is conducive to the more luminous energy of plant absorption, previous karyotype studies shows, blue light promotes the increase of the chlorophyll content in leaf blades of Lettuce, tomato etc., and ruddiness is conducive to the increase of the chlorophyll content in leaf blades of freesia etc., downward trend after the chlorophyll content of cucumber seedling first increases along with the increase of ruddiness ratio presents, under the 7R3B process that in this research, blue light ratio is the highest, the chlorophyll content of eggplant is the highest.
To sum up, the winter-spring season of many rainy weathers in South China, utilizes the LED of the red indigo plant combination of different proportion to carry out light filling, has significant facilitation for eggplant nurturing staff.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, its framework form can be flexible and changeable, can subseries product.Just make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the present invention is determined by submitted to claims.
Claims (4)
1. with the light compensation method of LED to eggplant seedling raising, it is characterized in that, the winter-spring season of many rainy weathers in South China, adopt red blue light to combine and light filling is carried out to eggplant seedling, wherein, red light wavelength 660nm, blue light wavelength 460nm.
2. LED as claimed in claim 1 is to the light compensation method of eggplant seedling raising, it is characterized in that, Red and blue light is than being 7:3 (7R3B), 8:2 (8R2B) or 9:1 (9R1B).
3. LED as claimed in claim 1 or 2 is to the light compensation method of eggplant seedling raising, it is characterized in that, the power of the LED of employing is 50W, and the suspension height of lamp is from cave dish 0.9-1.1m, the suspension height of fine setting different proportion lamp, makes light filling intensity reach about 2500-3000LX.
4. LED as claimed in claim 3 is to the light compensation method of eggplant seedling raising, it is characterized in that, adopt timing controller carry out timing light filling, the light filling time is every morning 6-9 point, afternoon 4-7 point.
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| CN201410613081.2A CN104429668A (en) | 2014-11-04 | 2014-11-04 | Light compensation method for culturing seedlings of eggplants through LED lamp |
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| CN201410613081.2A CN104429668A (en) | 2014-11-04 | 2014-11-04 | Light compensation method for culturing seedlings of eggplants through LED lamp |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105746162A (en) * | 2016-04-06 | 2016-07-13 | 安庆榈源农业科技有限公司 | Pollution-free eggplant planting method |
| CN105850447A (en) * | 2016-04-21 | 2016-08-17 | 固镇县传红家庭农场 | Method for planting eggplants |
| CN105875228A (en) * | 2016-04-29 | 2016-08-24 | 华南农业大学 | Method for adopting LED lamp for supplementing cucumber seedlings with light |
| CN105993562A (en) * | 2016-06-30 | 2016-10-12 | 固镇县华丰农业有限公司 | Seedling raising method for eggplants |
| CN106386213A (en) * | 2016-08-31 | 2017-02-15 | 上海交通大学 | Method for promoting growth and flowering of petunias |
| CN107242120A (en) * | 2017-06-16 | 2017-10-13 | 浙江省亚热带作物研究所 | A kind of LED light filling breeding methods of promotion dalbergia odorifera container seedling growth |
| CN107439242A (en) * | 2017-06-28 | 2017-12-08 | 深圳市海龙通科技有限公司 | A kind of control method for shortening plant growing cycle |
| CN107691008A (en) * | 2017-09-29 | 2018-02-16 | 安徽省华腾农业科技有限公司 | A kind of method for promoting plant growth |
| CN108901790A (en) * | 2018-06-13 | 2018-11-30 | 华南农业大学 | A method of full artificial light vegetables nursery is controlled using day light summation |
| CN111448904A (en) * | 2020-04-30 | 2020-07-28 | 上海市农业科学院 | Light-control cucumber seedling raising method and illumination equipment |
| CN111448903A (en) * | 2020-04-30 | 2020-07-28 | 上海市农业科学院 | Light-controlled pepper seedling growing method and illumination equipment |
| CN114586561A (en) * | 2022-03-18 | 2022-06-07 | 华南农业大学 | Method for cultivating tomato seedlings by LED pulse illumination |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105746162A (en) * | 2016-04-06 | 2016-07-13 | 安庆榈源农业科技有限公司 | Pollution-free eggplant planting method |
| CN105850447A (en) * | 2016-04-21 | 2016-08-17 | 固镇县传红家庭农场 | Method for planting eggplants |
| CN105875228A (en) * | 2016-04-29 | 2016-08-24 | 华南农业大学 | Method for adopting LED lamp for supplementing cucumber seedlings with light |
| CN105993562A (en) * | 2016-06-30 | 2016-10-12 | 固镇县华丰农业有限公司 | Seedling raising method for eggplants |
| CN106386213A (en) * | 2016-08-31 | 2017-02-15 | 上海交通大学 | Method for promoting growth and flowering of petunias |
| CN107242120B (en) * | 2017-06-16 | 2019-10-01 | 浙江省亚热带作物研究所 | A kind of LED light filling breeding method promoting dalbergia odorifera container seedling growth |
| CN107242120A (en) * | 2017-06-16 | 2017-10-13 | 浙江省亚热带作物研究所 | A kind of LED light filling breeding methods of promotion dalbergia odorifera container seedling growth |
| CN107439242A (en) * | 2017-06-28 | 2017-12-08 | 深圳市海龙通科技有限公司 | A kind of control method for shortening plant growing cycle |
| CN107439242B (en) * | 2017-06-28 | 2018-08-03 | 深圳市海龙通科技有限公司 | A kind of control method shortening plant growing cycle |
| CN107691008A (en) * | 2017-09-29 | 2018-02-16 | 安徽省华腾农业科技有限公司 | A kind of method for promoting plant growth |
| CN108901790A (en) * | 2018-06-13 | 2018-11-30 | 华南农业大学 | A method of full artificial light vegetables nursery is controlled using day light summation |
| CN111448904A (en) * | 2020-04-30 | 2020-07-28 | 上海市农业科学院 | Light-control cucumber seedling raising method and illumination equipment |
| CN111448903A (en) * | 2020-04-30 | 2020-07-28 | 上海市农业科学院 | Light-controlled pepper seedling growing method and illumination equipment |
| CN114586561A (en) * | 2022-03-18 | 2022-06-07 | 华南农业大学 | Method for cultivating tomato seedlings by LED pulse illumination |
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