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Light environment regulation and control method for promoting core wrapping of lettuce vegetables

A light environment and vegetable technology, applied in gardening methods, botanical equipment and methods, agricultural machinery and equipment, etc., can solve the problems of no balling, no heart, not easy to show the characteristics of headed lettuce varieties, and achieve easy operation Effect

Active Publication Date: 2020-08-18
FUJIAN SANAN SINO SCI PHOTOBIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, when lettuce is cultivated in plant factories, it is often difficult for the produced head lettuce to show the original variety characteristics of the head lettuce itself. Unsightly, which greatly reduces the commodity value of head lettuce

Method used

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  • Light environment regulation and control method for promoting core wrapping of lettuce vegetables
  • Light environment regulation and control method for promoting core wrapping of lettuce vegetables
  • Light environment regulation and control method for promoting core wrapping of lettuce vegetables

Examples

Experimental program
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Effect test

Embodiment example 1

[0022] After soaking the green dish lettuce seeds, sow them into 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 for seedling management. The EC value of the nutrient solution 0.8-1.2mS / cm, pH 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 12cm×20cm, and put them in the nutrient solution tank for cultivation. The nutrient solution film hydroponic technology is adopted, and the nutrient solution EC Control between 1.5-1.8mS / cm, pH 6.0-7.0, at the same time during the whole planting period, the temperature of the nutrient solution is controlled at 21°C, the dissolved oxygen is 5-6mg / L, the ambient temperature conditions are 21°C during the day and 21°C at night 18°C, air humidity 60-70%, CO 2 The concentration ...

Embodiment example 2

[0027] After soaking the Boston lettuce seeds, sow them into sponge cubes, 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 for seedling management. The EC value of the nutrient solution is 0.8-1.2mS / cm, pH 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 12cm×20cm, and put them in the nutrient solution tank for cultivation. The nutrient solution film hydroponic technology is adopted, and the nutrient solution EC Control between 1.5-1.8mS / cm, pH 6.0-7.0, at the same time during the whole planting period, the temperature of the nutrient solution is controlled at 21°C, the dissolved oxygen is 5-6mg / L, the ambient temperature conditions are 21°C during the day and 21°C at night 18°C, air humidity 60-70%, CO 2 The concentration is ...

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Abstract

The invention discloses a light environment regulation and control method for promoting core wrapping of lettuce vegetables. According to the light environment regulation and control method, the lightquantum ratio of red light (700-780 nm) to blue light (400-499 nm) of lettuce in a plant factory during the planting period is controlled to be (1.1-1.5): 1, and the sum of the number of light quantaof the far red light (700-780 nm) and the blue light (400-499 nm) accounts for 30-35% of the number of light quanta of the whole light source (380-780 nm), so that the head lettuce vegetables with head and wrapped core shapes and relatively good appearance commodity can be cultivated; and the operation is simple and easy to realize.

Description

technical field [0001] The invention relates to the technical field of lettuce cultivation, in particular to a method for regulating and controlling the light environment for promoting the wrapping of lettuce vegetables. Background technique [0002] "All things grow by the sun" reveals the importance of light for plant growth, and light is one of the indispensable environmental factors in the process of plant growth and development. Light is not only the basic energy source for plants to carry out photosynthesis, but also acts as a signal factor to regulate the growth and development of plants, and plays an important role in regulating the morphogenesis of plants. Existing literature has shown that light has regulatory effects on plant seed germination, root growth, stem growth, leaf growth, and flowering. [0003] Lettuce, commonly known as leaf lettuce, belongs to the family Asteraceae and is an annual or biennial herbaceous plant. The leaves are obovate and densely form...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G31/00A01G7/04
CPCA01G31/00A01G7/045Y02P60/14
Inventor 不公告发明人
Owner FUJIAN SANAN SINO SCI PHOTOBIOTECH CO LTD
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