A kind of light culture method for promoting the enlargement and greening of cabbage and cabbage heart

A technology for four-nine cabbage and light cultivation, applied in botany equipment and methods, horticultural methods, leaf crop cultivation, etc., to achieve the effects of simple method, shortened production cycle, broad application space and market prospect

Active Publication Date: 2022-07-19
XIAMEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current light source in artificial light plant factories is mainly white light, and no UV-B light is involved.

Method used

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  • A kind of light culture method for promoting the enlargement and greening of cabbage and cabbage heart
  • A kind of light culture method for promoting the enlargement and greening of cabbage and cabbage heart
  • A kind of light culture method for promoting the enlargement and greening of cabbage and cabbage heart

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The green stem cabbage or the cabbage heart seedlings with the same specifications were planted into the cultivation equipment and divided into 2 groups. The first group was only irradiated with conventional white light, and the second group was irradiated with conventional white light with low-dose UV-B light ( figure 1 ). Set the light environment parameters as: the light quantum flux density of conventional white light is 80 μmol m -2 ·s -1 , the illumination time is 14h / d, and the photon flux density of low-dose UV-B illumination is 3 μmol m -2 ·s -1 , the illumination time is 3h / d, and the ambient temperature is 20~24℃.

[0021] During the experiment, the rosette diameter was counted every 7 days, and the chlorophyll content was detected on the 14th day.

[0022] After growing for the same number of days under the above two conditions, observe the morphology of cabbage and cabbage, and find that only under conventional white light irradiation, cabbage and cabba...

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Abstract

The invention discloses a light cultivation method for promoting the enlargement and greening of cabbage with green stems and cabbage with four nines, and relates to the planting and cultivation of cabbage with green stems and cabbage with 49. During the growth period of C. chinensis and C. chinensis seedlings, the artificial light source was used to irradiate the seedlings of C. chinensis and C. chinensis, which was beneficial to the growth of leaves of C. chinensis and C. chinensis seedlings, the leaves turned green, and the chlorophyll was accumulated. The light supply mode of the artificial light source is the light supply mode of conventional white light + low-dose UV-B illumination. The wavelength of low-dose UV‑B light is 280 to 320 nm, and the photon flux density is 3 μmol m ‑2 ·s ‑1 . It is suitable for the growth of all-artificial cabbage and Chinese cabbage seedlings. Optimize the lighting method to promote the growth of the seedlings of Chinese cabbage and Chinese cabbage, shorten the production cycle and reduce energy consumption. The method is simple, the operation is convenient, and it has broad application space and market prospect in agricultural modern production.

Description

technical field [0001] The invention relates to the planting and cultivation of cabbage cabbage and Chinese cabbage, in particular to a light cultivation method for promoting the growth and greening of cabbage cabbage and fenugreek. Background technique [0002] Light is one of the most important environmental factors affecting the life activities of animals and plants. It is not only an energy source for plant photosynthesis, but also acts as a signaling molecule to regulate multiple processes of plant growth and development. UV-B light is an inherent part of sunlight, high doses of UV-B light can cause plant damage, while low doses of UV-B light can act as a signaling factor to promote photomorphogenesis in plants. [0003] The artificial light plant factory is a form of facility that relies on artificial light sources to provide growth light sources for crops and the environment is precisely adjustable. Leafy vegetables have the characteristics of short growth cycle, sh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G7/04A01G22/15
CPCA01G7/045A01G22/15
Inventor 黄烯钱崇祯毛伟伟
Owner XIAMEN UNIV
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