WO2022048302A1 - Procédé d'accélération de la croissance végétative à la croissance reproductrice de légumes à feuilles - Google Patents

Procédé d'accélération de la croissance végétative à la croissance reproductrice de légumes à feuilles Download PDF

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Publication number
WO2022048302A1
WO2022048302A1 PCT/CN2021/105229 CN2021105229W WO2022048302A1 WO 2022048302 A1 WO2022048302 A1 WO 2022048302A1 CN 2021105229 W CN2021105229 W CN 2021105229W WO 2022048302 A1 WO2022048302 A1 WO 2022048302A1
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Prior art keywords
growth
leafy vegetables
light
accelerating
photons
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PCT/CN2021/105229
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English (en)
Chinese (zh)
Inventor
李阳
陈艺群
王婷婷
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福建省中科生物股份有限公司
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Publication of WO2022048302A1 publication Critical patent/WO2022048302A1/fr

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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
    • A01G31/00—Soilless cultivation, e.g. hydroponics
    • 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

Definitions

  • the invention relates to the technical field of vegetable cultivation, in particular to a method for accelerating vegetative growth to reproductive growth of leafy vegetables.
  • the long selection cycle is the main factor limiting the progress of leafy vegetable breeding and genetic research.
  • Rapid plant generation technology that is, through appropriate regulation of growth conditions, accelerates the vegetative growth of plants, promotes early flowering and fruiting, shortens the generation cycle, and realizes multiple generations of plants a year, which can effectively solve this problem.
  • the current plant generation technology that artificially regulates growth conditions mainly creates a stressful environment for plant growth by increasing the light intensity, adjusting the light time (long-day plants extend the light time, short-day plants control the light time), and water and fertilizer control. The process of vegetative and reproductive growth of plants.
  • light As an important environmental factor in the process of plant growth and development, in addition to providing energy for photosynthesis, light also acts as a signaling factor and plays an important regulatory role in plant morphogenesis and growth and development.
  • the regulatory effects of light on plants are mainly manifested in the following aspects: seed germination, root growth, stem growth, leaf growth, flowering, etc.
  • the object of the present invention is to provide a kind of method for accelerating the vegetative growth of leafy vegetables to reproductive growth, which is mainly controlled by the light quantum ratio of the ratio of far-red light (700-780nm) and blue light (400-499nm) in the adjustment spectrum.
  • leafy vegetables can be promoted to enter the flowering stage earlier, and the breeding time of one generation can be shortened, thereby accelerating the breeding cycle.
  • One aspect of the present invention provides a method for accelerating the vegetative growth to reproductive growth of leafy vegetables.
  • the ratio of the light quantum numbers of far-red light (700-780nm) and blue light (400-499nm) in the spectrum is adjusted. Control in 1.7-3.3.
  • the spectral composition is as follows: the light quantum number of blue light (400-499nm) accounts for 6%-10% of the total light quantum S 0 number, and the light quantum number of green light (500-599nm) accounts for the proportion of the entire light quantum number It is 15-27%, the number of photons of red light (600-699nm) accounts for 46-59% of the total number of photons, and the number of photons of far-red light (700-780nm) accounts for 16-21% of the total number of photons .
  • the EC value of the nutrient solution in the seedling growing period is 0.8-1.2 mS/cm
  • the pH is 6.0-7.0
  • the EC value of the nutrient solution in the planting period is 1.2-2.0
  • the pH is 6.0-7.0
  • the period is With the extension of vegetable growth period, EC gradually increased; the temperature of nutrient solution was 20-22°C, and the dissolved oxygen content was 5-6mg/L.
  • the ambient temperature conditions are 20-23°C during the day, 18-20°C at night, the air humidity is 60-70%, the CO2 concentration is 1000ppm, and the light intensity is set at 100-400 ⁇ mol/m2 ⁇ s, the photoperiod is 7-15h/d.
  • Another aspect of the present invention also provides a method for accelerating the vegetative growth of leafy vegetables to reproductive growth, comprising the steps of:
  • Seed treatment first soak the seeds in water, then sow them into sponge cubes, 1 per hole, and place them in a germination box for germination.
  • the spectral composition during the colonization is as follows: the photon number of blue light (400-499nm) accounts for 6%-10% of the whole photon number, and the photon number of green light (500-599nm) accounts for the proportion of the whole photon number. It is 15-27%, the number of photons of red light (600-699nm) accounts for 46-59% of the total number of photons, and the number of photons of far-red light (700-780nm) accounts for 16-21% of the total number of photons .
  • the ambient temperature conditions are 20-23°C during the day, 18-20°C at night, the air humidity is 60-70%, the CO2 concentration is 1000ppm, and the light intensity is set at 100-400 ⁇ mol/m2 ⁇ s, the photoperiod is 7-15h/d.
  • the beneficial effects of the present invention are as follows: using the method for accelerating the vegetative growth to reproductive growth of leafy vegetables provided by the present invention can promote leafy vegetables to enter the flowering stage earlier, shorten the first-generation breeding time, and thereby shorten the breeding cycle.
  • FIG. 1 is a schematic diagram of the light wave peak value of the LED lamp 7;
  • FIG. 2 is a schematic diagram of the light wave peak value of the LED lamp 10 .
  • the embodiment of the present invention mainly provides a light environment regulation technology, which is mainly used for the cultivation of leafy vegetables.
  • an LED light source is used to adjust the ratio of far-red light (700-780nm) and blue light (400-499nm) in the light quantum ratio control of the spectrum.
  • it can promote leafy vegetables to enter the flowering stage earlier, shorten the breeding time of one generation, and speed up the breeding cycle.
  • For vegetable seedling treatment in the early stage first soak the seeds in water, then sow them into sponge cubes, 1 per hole, and place them in a germination box for germination. After the seeds are white, the seedling treatment is carried out.
  • the EC value of the nutrient solution is 0.8 -1.2mS/cm, pH 6.0-7.0.
  • the spacing between the field planting rows is 25cm ⁇ 35cm, and put it into the nutrient solution tank for cultivation.
  • the nutrient solution adopts the nutrient solution film cultivation technology.
  • the EC value of the nutrient solution was controlled at 1.2-2.0. With the extension of the vegetable growth period, the EC gradually increased, and the pH was 6.0-7.0.
  • the temperature of the nutrient solution is 20-22°C
  • the dissolved oxygen is 5-6mg/L
  • the ambient temperature is 20-23°C during the day, 18-20°C at night
  • the air humidity is 60-70%
  • the CO 2 concentration is 1000ppm.
  • the light intensity was set to 100-400 ⁇ mol/m2 ⁇ s
  • the photoperiod was 7-15 h/d.
  • the temperature of the nutrient solution was controlled at 21°C
  • the dissolved oxygen content was 5-6mg/L
  • the ambient temperature was 21°C during the day and 21°C at night.
  • the air humidity is 60-70%
  • the CO2 concentration is 1000ppm.
  • the light source was a fluorescent lamp as control example 1, and another 5 kinds of control examples and 6 kinds of example spectra were set, the light intensity was 220 ⁇ mol ⁇ m -2 ⁇ s -1 , and the photoperiod was 11h/d.
  • the green dish lettuce was cultivated according to the above-mentioned cultivation method, and the light source parameters were used as the respective examples and control examples, and the flowering time (days after colonization) and generation time (from colonization to seed maturity period) of each embodiment and control example were counted.
  • the experimental results are shown in Table 1:
  • the temperature of the nutrient solution was controlled at 21°C
  • the dissolved oxygen content was 5-6mg/L
  • the ambient temperature was 21°C during the day and 21°C at night.
  • 18°C the air humidity is 60-70%
  • the CO2 concentration is 1000ppm.
  • the light source was a fluorescent lamp as control example 1, and another 5 kinds of control examples and 6 kinds of example spectra were set, the light intensity was 250 ⁇ mol ⁇ m -2 ⁇ s -1 , and the photoperiod was 13.5h/d.
  • cabbage with white stems is cultivated, and the light source parameters are used as each embodiment and control example, and the flowering time (days after field planting) and generation time (from field planting to seed maturity period) of each embodiment and control example are counted.
  • the experimental results are shown in Table 1:

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Botany (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Cultivation Of Plants (AREA)
  • Hydroponics (AREA)

Abstract

Procédé d'accélération de la croissance végétative à la croissance reproductrice de légumes à feuilles, comprenant principalement : l'ajustement des proportions de photons dans les spectres d'une lumière dans le rouge lointain (700 à 780 nm) et d'une lumière bleue (400 à 499 nm) et leur réglage entre 1,7 et 3,3. Le procédé permet de faciliter l'efflorescence précoce de légumes à feuilles et de raccourcir le temps de reproduction de première génération, accélérant ainsi un cycle de reproduction.
PCT/CN2021/105229 2020-09-03 2021-07-08 Procédé d'accélération de la croissance végétative à la croissance reproductrice de légumes à feuilles WO2022048302A1 (fr)

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CN202010915143.0 2020-09-03
CN202010915143.0A CN112021167A (zh) 2020-09-03 2020-09-03 一种加速叶菜类蔬菜营养生长到生殖生长的方法

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CN114532199A (zh) * 2022-01-26 2022-05-27 河北农业大学 一种营养液高效生菜育苗方法
CN115735744A (zh) * 2022-12-21 2023-03-07 福州大学 一种植物工厂条件下栽培盐碱植物碱蓬的方法

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CN111919737A (zh) * 2020-07-31 2020-11-13 福建省中科生物股份有限公司 一种促进植物工厂根茎类药材块根生长的方法
CN112021167A (zh) * 2020-09-03 2020-12-04 福建省中科生物股份有限公司 一种加速叶菜类蔬菜营养生长到生殖生长的方法
CN112544422A (zh) * 2020-12-10 2021-03-26 福建省中科生物股份有限公司 一种促进谷类作物一年4-5熟的植物工厂种植方法
CN113632655A (zh) * 2021-08-13 2021-11-12 福建省中科生物股份有限公司 一种调节室内瓜果类蔬菜营养生长与生殖生长平衡的光环境
CN113728886A (zh) * 2021-08-30 2021-12-03 正恒(上海)农业科技有限公司 一种提高生菜品质及产量的室内栽培方法
CN115486335B (zh) * 2022-11-03 2023-07-07 中国农业科学院都市农业研究所 一种番茄快繁加代方法

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CN115735744A (zh) * 2022-12-21 2023-03-07 福州大学 一种植物工厂条件下栽培盐碱植物碱蓬的方法

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