WO2023280325A1 - Environnement lumineux pour la production en intérieur de laitue pourpre et rouge - Google Patents

Environnement lumineux pour la production en intérieur de laitue pourpre et rouge Download PDF

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Publication number
WO2023280325A1
WO2023280325A1 PCT/CN2022/105460 CN2022105460W WO2023280325A1 WO 2023280325 A1 WO2023280325 A1 WO 2023280325A1 CN 2022105460 W CN2022105460 W CN 2022105460W WO 2023280325 A1 WO2023280325 A1 WO 2023280325A1
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WIPO (PCT)
Prior art keywords
range
wavelength
photons
purple
light environment
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PCT/CN2022/105460
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English (en)
Chinese (zh)
Inventor
李阳
陈艺群
吕小玉
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福建省中科生物股份有限公司
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Publication of WO2023280325A1 publication Critical patent/WO2023280325A1/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
    • 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
    • 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
    • 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

Definitions

  • the invention relates to the technical field of vegetable indoor cultivation, in particular to a light environment for indoor purple and red lettuce production.
  • the coloring depth of purple and red lettuce is mainly determined by the anthocyanin content in the plant.
  • the main factors affecting the accumulation of plant anthocyanin content are as follows: anthocyanin structure, nitrogen source, potassium fertilizer, pH, temperature, light, carbon source, internal and external factors, and cultivation techniques.
  • anthocyanin structure nitrogen source
  • potassium fertilizer pH, temperature, light
  • carbon source internal and external factors
  • cultivation techniques Up to now, some related research scholars have also conducted research on the coloring of purple-red vegetables by light environment. Fan Yinglun and others have shown that increasing UV-A and red light can increase the content of anthocyanins in potatoes.
  • Research by Wang Zhidong and others showed that the use of short-wave ultraviolet UV-C treatment can increase the content of anthocyanins in fresh-cut purple cabbage. Qi Yan et al.
  • Purple and red lettuce are one of the salad vegetable varieties favored by consumers more and more. At present, when purple and red lettuce are cultivated in plant factories, it is often difficult for the purple and red lettuce produced to show the purple and red lettuce itself. The original variety characteristics, while the yield is greatly reduced. Therefore urgently need to take some measures to solve the problem of poor coloring and low yield of purple and red lettuce cultivated in plant factories.
  • the object of the present invention is to provide a light environment for indoor production of purple and red lettuce, which can be used to produce brightly colored purple and red lettuce indoors while avoiding production reduction The problem.
  • the wavelength range of the light environment is 380-780nm, wherein the number of light quanta with a wavelength in the range of 500-599nm accounts for 0% of the total number of light quanta in the range of 380-780nm , the ratio of the sum of the number of photons with a wavelength in the range of 700-780nm to the number of photons with a wavelength in the range of 600-699nm to the number of photons with a wavelength in the range of 400-499nm is 1.0-1.4:1, and the wavelength is in the range of 700-780nm The number of photons in the range accounts for 12-17% of the total number of photons in the range of 380-780nm.
  • the number of photons with wavelengths in the range of 400-499nm accounts for 41-50% of the total number of photons in the range of 380-780nm.
  • the number of photons with wavelengths in the range of 600-699nm accounts for 33-46% of the total number of photons in the range of 380-780nm.
  • the light intensity is set to 200-400 ⁇ mol/m2 ⁇ s, and the photoperiod is 10-15 h/d.
  • the beneficial effects of the present invention are: the indoor cultivation of lettuce by using the light environment of the present invention can not only ensure the production of purple and red vegetables with bright colors, but also avoid the problem of yield reduction caused by coloring. Moreover, the light environment is within the range of visible light, is harmless to human body, has low manufacturing cost, and can be widely popularized.
  • 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 peak light wave of the LED lamp 9
  • FIG. 3 is a schematic diagram of the peak light wave of the LED lamp 10
  • FIG. 4 is a schematic diagram of light peaks of the LED lamp 12 .
  • the embodiment of the present invention provides a method for indoor cultivation of purple and red lettuce.
  • the seeds are first soaked in clear water, and then sowed into sponge squares, one seed per hole, and placed in a germination box for Accelerate germination, and after the seeds are white, carry out seedling raising treatment.
  • the EC value of the nutrient solution is 0.8-1.2mS/cm
  • the pH is 6.0-7.0.
  • the nutrient solution adopts the nutrient liquid film cultivation technology, and the whole During the planting period, 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 conditions are 20-23°C during the day, 18-20°C at night
  • the air humidity is 60-70%
  • the CO2 concentration is 1000ppm.
  • the light intensity is set at 200-400 ⁇ mol/m2 ⁇ s
  • the photoperiod is 10-15h/d. After 18-25 days of cultivation, brightly colored purple and red vegetables can be obtained quickly.
  • Zimei lettuce seeds with full seeds soak the seeds of Zimei lettuce, sow them in sponge squares, 1 seed per hole, and then put them in a germination box at 23°C for germination. After the seeds are white, move them to the hydroponic nutrient solution Seedling management in the medium, the EC value of the nutrient solution is 0.8-1.2mS/cm, the pH is 6.0-7.0, until 4-5 true leaves are cultivated. Select neat and consistent seedlings with 4-5 true leaves for transplanting and planting on the planting board, the distance between planting rows is 15cm ⁇ 20cm, and put them in the nutrient solution tank for cultivation.
  • the nutrient solution film cultivation technology is adopted, and the nutrient solution EC control Between 1.6-1.8, the pH is 6.0-7.0, until the harvest, the whole planting period is 20 days, and during the whole planting period, the temperature of the nutrient solution is controlled at 21°C, the dissolved oxygen is 5-6mg/L, and the ambient temperature conditions are It is 21°C during the day and 18°C at night, and the air humidity is 60-70%.
  • fluorescent lamps were used as the light source, and LED light treatment was used.
  • the LED light source was additionally set with 6 control examples and 6 example spectrums. The light intensity was 300 ⁇ mol/m2 ⁇ s, and the photoperiod was 11 h/d.
  • test results show that: compared with the 7 control examples, the Zimei lettuce cultivated under the treatment of Examples 1-6 not only has darker leaf color, but also has higher yield, avoiding the problem of coloring but yield reduction.
  • red rosa lettuce seeds with full grains soak the seeds of red rosa lettuce, sow them in sponge squares, 1 seed per hole, and then put them in a germination box at 23°C for germination. After the seeds are white, move them to hydroponics Seedling management is carried out in the nutrient solution, the EC value of the nutrient solution is 0.8-1.2mS/cm, the pH is 6.0-7.0, until 4-5 true leaves are cultivated. Select neat and consistent seedlings with 4-5 true leaves for transplanting and planting on the planting board, the distance between planting rows is 15cm ⁇ 20cm, and put them in the nutrient solution tank for cultivation.
  • the nutrient solution film cultivation technology is adopted, and the nutrient solution EC control Between 1.6-1.8, the pH is 6.0-7.0, until harvesting, the whole planting period is 22 days, and during the whole planting period, the temperature of the nutrient solution is controlled at 21°C, the dissolved oxygen is 5-6mg/L, and the ambient temperature conditions are It is 21°C during the day and 18°C at night, and the air humidity is 60-70%.
  • fluorescent lamps were used as the light source, and LED light treatment was adopted.
  • the LED light source was additionally set with 6 control examples and 6 example spectrums, with a light intensity of 250 ⁇ mol/m2 ⁇ s and a photoperiod of 12.5h/d.
  • the red rosa lettuce was cultivated according to the above-mentioned cultivation method, and the light source parameters were used as each embodiment and control example. After 22 days of planting, the relevant morphological data of each embodiment and control example were counted. The experimental results are shown in Table 2:
  • test results show that: compared with the 7 control examples, the red rosa lettuce cultivated under the treatment of Examples 1-6 not only has darker leaf color, but also has higher yield, avoiding the problem of coloring but yield reduction.
  • an element defined by the words “comprising" or “comprising" does not exclude the presence of additional elements in the process, method, article or terminal device comprising said element.
  • “greater than”, “less than”, “exceeding” and so on are understood as not including the original number; “above”, “below”, “within” and so on are understood as including the original number.

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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)

Abstract

Est divulgué dans la présente invention un environnement lumineux pour la production en intérieur de laitue violette et rouge. Une plage de longueurs d'onde de l'environnement lumineux est de 380 à 780 nm. Les photons ayant une longueur d'onde dans une plage de 500 à 599 nm représentent 0 % de la quantité totale de photons ayant une longueur d'onde dans une plage de 380 à 780 nm, un rapport entre des photons ayant une longueur d'onde dans une plage de 700 à 780 nm et des photons ayant une longueur d'onde dans une plage de 600 à 699 nm par rapport à des photons ayant une longueur d'onde dans une plage de 400 à 499 nm est de 1,0:1 à 1,4:1, et des photons ayant une longueur d'onde dans une plage de 700 à 780 nm représentent 12 à 17 % de la quantité totale de photons ayant une longueur d'onde dans la plage de 380 à 780 nm. L'utilisation de l'environnement lumineux de la présente invention pour la culture en intérieur de laitue permet non seulement d'assurer la production de légumes de couleurs pourpre et rouge éclatantes, mais également d'éviter le problème de baisse de rendement provoquée par la coloration. De plus, le présent environnement lumineux est entièrement dans la plage de lumière visible, sans danger pour le corps humain, a un faible coût de fabrication et peut être largement valorisé.
PCT/CN2022/105460 2021-07-09 2022-07-13 Environnement lumineux pour la production en intérieur de laitue pourpre et rouge WO2023280325A1 (fr)

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CN202110775559.1A CN113498689B (zh) 2021-07-09 2021-07-09 一种用于室内紫、红色生菜生产的光环境
CN202110775559.1 2021-07-09

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CN113498689B (zh) * 2021-07-09 2023-08-11 福建省中科生物股份有限公司 一种用于室内紫、红色生菜生产的光环境

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