CN105875228A - Method for adopting LED lamp for supplementing cucumber seedlings with light - Google Patents

Method for adopting LED lamp for supplementing cucumber seedlings with light Download PDF

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Publication number
CN105875228A
CN105875228A CN201610287037.6A CN201610287037A CN105875228A CN 105875228 A CN105875228 A CN 105875228A CN 201610287037 A CN201610287037 A CN 201610287037A CN 105875228 A CN105875228 A CN 105875228A
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China
Prior art keywords
light
supplementing
red
seedling
led
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CN201610287037.6A
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Chinese (zh)
Inventor
刘厚诚
董皓
曹凯
宋世威
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South China Agricultural University
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South China Agricultural University
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Priority to CN201610287037.6A priority Critical patent/CN105875228A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00Botany in general
    • A01G7/04Electric or magnetic or acoustic treatment of plants for promoting growth
    • A01G7/045Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00Growth substrates; Culture media; Apparatus or methods therefor
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G31/00Soilless cultivation, e.g. hydroponics
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/14Measures for saving energy, e.g. in green houses

Abstract

The invention discloses a method for adopting an LED (Light Emitting Diode) lamp for supplementing cucumber seedlings with light. The method comprises the following steps: adopting red and blue light combination for supplementing the cucumber seedlings with light under the condition of natural low light level (light intensity less than or equal to 35micromol.m2.s1), wherein the wavelength of the red light is 630-650nm, the wavelength of the blue light is 430-450nm and the density ratio of effective photosynthetic light quantum of the red light and the blue light is 2 to 1(2R1B) or 1 to 2(1R2B); adjusting the current of LED lamp power supply, for achieving the supplementary light intensity of 50-100 micromol.m2.s1; supplementing light at regular time by adopting a timing controller, wherein the light supplementing time is from 6 am to 6 pm in each day. According to the method provided by the invention, the LED lamp combined with different red and blue light ratios is adopted for supplementing the generally cultured cucumber seedlings with light; the method has the obvious boosting effect on the cucumber seedlings; the stem diameter, complete stool weight, strong seedling index, single plant leave area, root activity, net photosynthetic rate, SOD activity and POD activity of the cucumber seedlings can be effectively increased; the culturing for strong seedlings is realized.

Description

A kind of LED light compensation method to cucumber seedling-raising
Technical field
The present invention relates to cucumber seedling-raising technical field, in particular it relates to Fructus Cucumidis sativi is educated by one LED The light compensation method of Seedling.
Background technology
The growth of plant stores Organic substance by anabolic effect and realizes, therefore Illumination on Plant Growth promoter plays very important effect.The nursery of vegetable is the important step in vegetable growing, as Fruit meets continuous print rainy weather and easily causes the photosynthesis deficiency of seedling, the organic synthesis of plant It is obstructed, will seriously suppress the normal development of seedling.The healthy and strong development degree of seedling will directly affect plant Growth promoter, and then affect yielding positive results of plant, thus have influence on the growing way of this season growing vegetables And economic benefit.
Wherein, Fructus Cucumidis sativi is the worldwide vegetable generally cultivated, and plantation amount is big, also has in market supply Critical role.China melon vegetables currently mainly uses the mode of culturing and transplanting seedlings to cultivate, melon vegetables children Seedling excessive growth is one of modal problem in seedling raising process, relatively other vegetable species (such as solanaceous vegetables) It is more difficult to control.If the environmental Kuznets Curves in seedling raising process is improper, seedling easily excessive growth, cause seedling matter Amount declines, and then impact growth, bud differentiation, setting and fruit development, finally affects Fructus Cucumidis sativi Yield and quality.Intensive seedling production can more effectively improve production efficiency and product quality, but current Facility condition easily causes the appearance of low temperature and less sunshine phenomenon, and low temperature and less sunshine causes the master of seedling excessive growth just Want reason.But, effectively controlling seedling excessive growth is the key link cultivating high-quality strong sprout, production practices In often use the growth of the chemical substance regulation seedling such as plant growth regulator, easily cause Vegetable pollution, Affecting human health, utilizing light control technique is that an environmental protection is effective and simple and easy to do to cultivate seedling New technique, advantage highlights.
Research shows that utilizing artificial light source control technique is the effective way cultivating strong sprout, and LED light source For cold light source, compared with traditional light source, there is life-span length, spectroscopic pure, low power consumption and other advantages, by In plant, the absorption of visible ray is concentrated mainly on the royal purple light district of 400-510nm and 610-720nm Reddish orange district, therefore uses redness and blue led can cultivate plant.Wherein, different LED light matter The growth of seedling of Fructus Cucumidis sativi is affected notable and there are differences, therefore supplements HONGGUANG or red indigo plant at cucumber at seedling stage Light can promote the growth of Fructus Cucumidis sativi, beneficially nurturing staff.
Summary of the invention
The applicant is (light intensity≤35 μm ol m under natural low light condition-2·s-1), use Different Red The LED of blue light proportioning combination, carries out light filling test, research difference to the cucumber seedling generally cultivated The LED of the light quality light filling effect to cucumber seedling-raising, the light source in strong sprout that screening is suitable for, for people certainly So implement cucumber seedling-raising light filling technology under low light condition and foundation is provided.
Technical scheme is as follows: a kind of LED light compensation method to cucumber seedling-raising, certainly So (light intensity≤35 μm ol m under low light condition-2·s-1), use the combination of red blue light that cucumber seedling is entered Row light filling, wherein, red light wavelength 630-650nm, blue light wavelength 430-450nm.
HONGGUANG and the effective photosynthetic photo flux density of blue light are than for 2:1 (2R1B) or 1:2 (1R2B).
Regulation LED source current makes light filling intensity be 50-100 μm ol m-2·s-1
Using timing controller to be timed light filling, the light filling time is that every morning 6 is to 6 pm.
The invention has the beneficial effects as follows: (1) is of the present invention with the LED light filling to cucumber seedling-raising Method, (light intensity≤35 μm ol m under natural low light condition-2·s-1), use Different Red blue light to join Than the LED of combination, the cucumber seedling generally cultivated is carried out light filling, cultivating cucumber is had strong sprout Significantly facilitation, the stem effectively raising cucumber seedling is thick, Herb fresh weight, seedling vigorous index, Leaf area per plant, improving activity of root system, Net Photosynthetic Rate, SOD activity and POD activity, it is achieved nurturing staff. (2) use red and blue LED light filling can effectively suppress cucumber seedling excessive growth, overcome in production practices and often use The growth of the chemical substance regulation seedling such as plant growth regulator easily causes the shortcomings such as Vegetable pollution.(3) Utilizing red and blue LED light filling regulation and control nurturing staff is the effective and simple and easy to do new technique of an environmental protection, excellent Gesture highlights.
Detailed description of the invention
Embodiment 1
1.1 material
With common Fructus Cucumidis sativi for examination material, tested in November, 2015 at Guangzhou Agricultural University Of South China gardening Institute is carried out.Nursery uses standard 72 hole plastics cave dish, seedling medium employing peat soil: coconut palm bran (1:1).
Light filling LED uses adjustable fluorescent tube, and red blue light effective photosynthetic photo flux density ratio is for 1:1 (1R1B), 1:2 (1R2B) 2 process, with natural light for comparison (CK);Red light wavelength is: 650nm, Blue light wavelength is: 430nm, and regulation LED source current makes light filling intensity reach for arriving 50μmol·m-2·s-1
1.2 methods and result
Cucumber seeds, through seed soaking, accelerating germination, shows money or valuables one carries unintentionally sowing in December in 2015 on the 10th, each process It is repeated 3 times, each repetition 55 young plant.Every day light filling 12 hours, the light filling time is to arrive at 6 in the morning 6 pm.Investigation the date be on January 10th, 2016 seedling length to 3 leaf 1 hearts.Each process with Machine extracts 25 strains to be carried out: plant height (from stromal surface to growing point), stem thick (vernier caliper measurement), Herb fresh weight, seedling vigorous index (seedling vigorous index=stem is thick | plant height x Herb dry sample quality), individual plant blade face Amass, improving activity of root system, Net Photosynthetic Rate, soluble protein content, SOD are active, POD is active and CAT The mensuration of activity.
Net Photosynthetic Rate uses portable photosynthetic instrument to measure.
Improving activity of root system uses TTC method to measure.
Data statistics uses SPSS17.0, data analysis and mapping to use Excel2003, and data is remembered Typing Tables 1 and 2.
Tables 1 and 2 is for being 50 μm ol m in light filling intensity-2·s-1Time different proportion red blue light combination at The reason impact on cucumber seedling-raising.
Table 1
Table 2
1.3 results and analysis
As can be seen from Table 1 and Table 2,50 μm ol m are reached in light filling intensity-2·s-1Time, 2 are not With red blue light Combined Led Light Up Fructus Cucumidis sativi is all effectively raised that the stem of cucumber seedling is thick, Herb fresh weight, Seedling vigorous index, leaf area per plant, improving activity of root system, Net Photosynthetic Rate, SOD activity and POD activity, real Existing nurturing staff, and all arrive significant level with the difference of matched group.And under 1R2B processes, Fructus Cucumidis sativi The stem of seedling slightly reaches the thickest, and stem slightly increases to 3.93mm from 2.78mm, and its seedling vigorous index is by 0.02 Increasing to 0.23, leaf area per plant is from 19.03mm2Increase to 116.13mm2, increase to 6.1 times, Improving activity of root system is increased to 0.12 by 0.06, brings up to 2 times;Its SOD activity and POD activity are the most significantly Degree improves, and and 1R1B and matched group between difference reach significant level, the stem of matched group is slightly Little.Therefore, along with the increase of blue light ratio, the stem effectively raising cucumber seedling is thick, Herb is fresh Weight, seedling vigorous index, leaf area per plant, improving activity of root system, Net Photosynthetic Rate, SOD activity and POD activity.
Embodiment 2
2.1 material
With common Fructus Cucumidis sativi for examination material, tested in December, 2015 in January ,-2016 in the agriculture of south China, Guangzhou Sparetime university learns College of Horticulture and carries out.Nursery uses standard 72 hole plastics cave dish, seedling medium employing peat soil: Coconut palm bran (1:1).
Light filling LED uses adjustable fluorescent tube, and red blue light effective photosynthetic photo flux density ratio is for 1:1 (1R1B), 1:2 (1R2B) 2 process, with natural light for comparison (CK);Red light wavelength is: 650nm, Blue light wavelength is: 430nm, and regulation LED source current makes light filling intensity be 75 μm ol m-2·s-1
2.2 methods and result
Cucumber seeds, through seed soaking, accelerating germination, shows money or valuables one carries unintentionally sowing in December in 2015 on the 25th, each process It is repeated 3 times, each repetition 55 young plant.Every day light filling 12 hours, the light filling time is to arrive at 6 in the morning 6 pm.Investigation the date be on January 25th, 2016 seedling length to 3 leaf 1 hearts.Each process with Machine extracts 30 strains to be carried out: plant height (from stromal surface to growing point), stem thick (vernier caliper measurement), Herb fresh weight, seedling vigorous index (seedling vigorous index=stem is thick | plant height x Herb dry sample quality), individual plant blade face Amass, improving activity of root system, Net Photosynthetic Rate, soluble protein content, SOD are active, POD is active and CAT The mensuration of activity.
Net Photosynthetic Rate uses portable photosynthetic instrument to measure.
Improving activity of root system uses TTC method to measure.
Data statistics uses SPSS17.0, data analysis and mapping to use Excel2003, and data is remembered Typing table 3 and table 4.
Table 3 and table 4 are for being 75 μm ol m in light filling intensity-2·s-1Time different proportion red blue light combination at The reason impact on cucumber seedling-raising.
Table 3
Table 4
2.3 results and analysis
As it can be seen from table 1 reach 75 μm ol m in light filling intensity-2·s-1Time, 2 are different red Blue light Combined Led Light Up all effectively raises to Fructus Cucumidis sativi that the stem of cucumber seedling is thick, Herb fresh weight, strong sprout Index, leaf area per plant, improving activity of root system, Net Photosynthetic Rate, SOD activity and POD activity, it is achieved training Educate strong sprout, and all arrive significant level with the difference of matched group.And under 1R2B processes, cucumber seedling Stem slightly reach the thickest, stem slightly increases to 4.48mm from 2.57mm, and its seedling vigorous index is increased by 0.03 To 0.36, leaf area per plant is from 17.35mm2Increase to 131.95mm2, increase to 7.6 times, root system Vigor is increased to 0.15 by 0.07, brings up to 2 times;Its SOD activity and POD activity the most significantly carry Height, and and 1R1B and matched group between difference reach significant level, the stem of matched group is the most minimum. Therefore, along with the increase of blue light ratio, the stem effectively raising cucumber seedling is thick, Herb fresh weight, Seedling vigorous index, leaf area per plant, improving activity of root system, Net Photosynthetic Rate, SOD activity and POD activity.
3 discuss
The healthy and strong development degree of seedling will directly affect the growth promoter of plant, and then affect opening of plant Bow structure fruit, thus have influence on growing way and the economic benefit of this season growing vegetables.But, at the rainy cloudy day Winter-spring season, carry out vegetable nursery and often cause weak Seedling because of scarce light.The present invention is in light filling light intensity respectively It is 50 μm ol m-2·s-1With 75 μm ol m-2·s-1In the case of, make use of two various combinations Red blue light has carried out light filling experiment to cucumber seedling-raising, finds that the red blue light combination light filling of different proportion is to Huang Morphological index and the physical signs of each detection of melon all have an impact, and difference is notable compared with natural light, Its seedling vigorous index also had significant effect.More weak light filling intensity (50 μm ol m-2·s-1) also There is significantly suppression cucumber seedling excessive growth effect.
This research is 50 μm ol m in light filling light intensity-2·s-1With 75 μm ol m-2·s-1Situation Under, it is provided with red-blue ratio example 1R1B and 1R2B two process, along with the decline of R/B value, Fructus Cucumidis sativi Stem is thick etc. is gradually increased.Many researchs think that blue light is conducive to the horizontal overstriking of stem, also studies have found that It is thick that the combination of red blue light is effectively increased stem, the study find that the combination of certain proportion red blue light can effectively carry The stem of high Fructus Cucumidis sativi is thick, it is to avoid the excessive growth of Fructus Cucumidis sativi;Stem slightly increases along with the increase of blue light ratio simultaneously. When the photosynthetic photo flux density of blue light exceedes the photosynthetic photo flux density of HONGGUANG, stem is the thickest.
The root system of plant is as the important nutrition organs of plant, and the growth with aerial parts is closely related, In higher improving activity of root system is conducive to plant, accumulating of Assimilate is changed and the absorption work of nutrient substance With, therefore the height of its activity directly affects growth promoter and the morphogenesis of overground part.In this research Cucumber seedling improving activity of root system is increased significantly under processing effect by red blue light 1R2B, find simultaneously along with The increase of blue light ratio, the improving activity of root system of Fructus Cucumidis sativi gradually steps up, it is seen that in certain proportion of red blue light scope In, blue light is conducive to the improving activity of root system of cucumber seedling.
Net Photosynthetic Rate can reflect the ability of photosynthesis of plant, and the raising of Net Photosynthetic Rate is conducive to The more luminous energy of plant absorption, previous karyotype studies shows, blue light promotes the leaf of Lettuce, Fructus Lycopersici esculenti etc. The increase of sheet chlorophyll content, and HONGGUANG is conducive to the increase of chlorophyll content of blade of freesia etc., The study find that, under red blue light 1R2B processes, the Net Photosynthetic Rate of Fructus Cucumidis sativi is obviously improved.
Person of ordinary skill in the field is in the feelings of the broader invention concept without departing from above-described embodiment Under condition, above-described embodiment can be changed, however, it is understood that the invention is not restricted to disclosed Specific embodiment, but be intended in the spirit and scope of the present invention being defined by the claims Amendment.

Claims (4)

1. one kind with the LED light compensation method to cucumber seedling-raising, it is characterised in that at natural low light level bar (light intensity≤35 μm ol m under part-2·s-1), use the combination of red blue light that cucumber seedling is carried out light filling, Wherein, red light wavelength 630-650nm, blue light wavelength 430-450nm.
The LED the most as claimed in claim 1 light compensation method to cucumber seedling-raising, it is characterised in that HONGGUANG and the effective photosynthetic photo flux density of blue light are than for 2:1 (2R1B) or 1:2 (1R2B).
The LED the most as claimed in claim 1 or 2 light compensation method to cucumber seedling-raising, its feature Being, regulation LED source current makes light filling intensity be 50-100 μm ol m-2·s-1
The LED the most as claimed in claim 3 light compensation method to cucumber seedling-raising, it is characterised in that Using timing controller to be timed light filling, the light filling time is that every morning 6 is to 6 pm.
CN201610287037.6A 2016-04-29 2016-04-29 Method for adopting LED lamp for supplementing cucumber seedlings with light Pending CN105875228A (en)

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CN106688657A (en) * 2017-01-05 2017-05-24 江西省科学院生物资源研究所 Method of breeding seedball with longya lily scalesunder LED illuminant
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CN109122249A (en) * 2018-06-25 2019-01-04 华南农业大学 A kind of method that LED intermittent illumination cultivates cucumber seedling
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
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CN106404724A (en) * 2016-09-19 2017-02-15 西北农林科技大学 Method for testing growth of cucumbers by LED (light-emitting diode) continuous light and intermittent light with different frequencies
CN108094164B (en) * 2016-11-25 2020-01-31 陆志宏 Planting method for ocean ship cabins
CN108094164A (en) * 2016-11-25 2018-06-01 陆志宏 A kind of implantation methods of ocean warship cabin
CN106718183A (en) * 2016-12-01 2017-05-31 福建省中科生物股份有限公司 The nursery luminous environment and method for culturing seedlings of a kind of leaf vegetables
CN106665319A (en) * 2016-12-01 2017-05-17 福建省中科生物股份有限公司 Cultivation light environment and method of leaf vegetables
CN106688657A (en) * 2017-01-05 2017-05-24 江西省科学院生物资源研究所 Method of breeding seedball with longya lily scalesunder LED illuminant
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
CN107593140A (en) * 2017-08-01 2018-01-19 北京林业大学 A kind of north of Chinese herbaceous peony winter greenhouse forcing culture energy-conservation light compensation method
CN107926342A (en) * 2017-11-19 2018-04-20 浙江大学 The method for cultivating the short strong sprout of graft stock
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
CN109122249A (en) * 2018-06-25 2019-01-04 华南农业大学 A kind of method that LED intermittent illumination cultivates cucumber seedling
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
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

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Application publication date: 20160824