Seedling culture method for promoting precocious flowering of cucumber

A technology for early flowering and seedling cultivation, applied in horticultural methods, botanical equipment and methods, planting substrates, etc., can solve the problems of lower first flower nodes, delayed flowering of cucumbers, etc., to achieve early flowering, early flowering promotion, large The effect of economic benefits

Inactive Publication Date: 2016-08-24
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In response to this phenomenon, the present invention aims to promote early flowering of cucumbers and reduce the position of the first flower node by starting artificial red and blue light LED light seedling cultivation treatment when the cotyledons are flattened, and solves the problem of delayed flowering of cucumbers

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  • Seedling culture method for promoting precocious flowering of cucumber
  • Seedling culture method for promoting precocious flowering of cucumber

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Experimental program
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Embodiment 1

[0010] 1.1 Test method

[0011] This experiment was carried out in the Horticultural College of South China Agricultural University from September to December 2014. On September 24, 2014, 150 cucumber seedlings were cultivated on a plastic nutrient bowl (15cm*13cm) substrate. The substrate used was peat: Yekang (1:1) mixed substrate. The cucumber seedling plants were randomly divided into two groups, and 75 plants in each group were moved into the indoor plot for LED light seedling cultivation. One group was treated with LED light with a ratio of red light and blue light of 8:1 (8R1B), and the other group was treated with red light and blue light. The ratio of light to blue light is 6:3 (6R3B) LED light treatment, the temperature in the control room is 25°C, and the humidity is 70%-85%. Both groups were treated continuously for 20 days, supplemented with red and blue LED light for 12 hours a day, and the light intensity was kept at 100 μmol m -2 ·s -1 , among which, the wav...

Embodiment 2

[0019] 2.1 Method

[0020] From March to May 2015, it was conducted in the College of Horticulture, South China Agricultural University. Soak cucumber seeds in warm soup and accelerate germination. When more than 80% of the seeds are white, select seeds with basically the same sprouting length. On March 10, 2015, sow them in sponge blocks to raise seedlings. The nutrient solution formula is 1 / 2 Yamazaki cucumber nutrient solution formula . The cucumber seedling plants were randomly divided into two groups, with 75 plants in each group. Moved into the residential area and began to raise seedlings with LED lighting, one group was treated with LED lighting with a ratio of red light and blue light of 4:1 (4R1B), and the other group was treated with LED lighting with a ratio of red light and blue light of 2:1 (2R1B) For seedling cultivation, the room temperature is controlled at 25°C and the humidity is 70%-85%. The two groups are treated continuously for 20 days, and the red and...

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Abstract

The invention discloses a seedling culture method for promoting precocious flowering of cucumber. The method comprises the following steps: when the cotyledons are open and flat, starting artificial red-blue light LED illumination seedling culture treatment, and controlling the indoor temperature to 24-26 DEG C and humidity to 70-85%, wherein the treatment consecutively lasts for 20 days, the red-blue light LED supplements light for 12 days each day, the illumination intensity is kept at 100-300mu mol.m<-2>.s<-1>, the red light wavelength is 650-660nm, the blue light wavelength is 450-460nm, and the photosynthetic light quantum density ratio of red light to blue light is 2:1 (2R1B) or 4:1 (4R1B) or 8:1 (8R1B). In the invention, an LED lamp proportionally combining red and blue light is adopted for culturing the generally cultivated cucumber seedlings, and a remarkable promoting effect is realized on the precocious flowering of cucumber; and meanwhile, the node orders of the first female flower and the first male flower of cucumber are effectively lowered, the initial flowering stage of cucumber is effectively made earlier, the generation of female flowers of cucumber is enhanced, and the cucumber flowering is promoted.

Description

technical field [0001] The invention relates to cucumber cultivation techniques, in particular to a seedling raising method for promoting early flowering of cucumbers. Background technique [0002] Cucumber is a worldwide vegetable that is widely cultivated. It has the characteristics of being warm-loving and not cold-tolerant. Its growth environment has the following characteristics: its temperature requirement is 10-32°C. Generally, it grows best at 25-32°C during the day and 15-18°C at night; the most suitable ground temperature is 20-25°C, and the lowest is about 15°C. The most suitable temperature difference between day and night is 10-15°C. Cucumbers have poor photosynthesis at high temperature of 35°C, high temperature barriers at 45°C, and freeze to death at low temperatures of -2 to 0°C. If the seedlings are hardened at low temperature, they can withstand a low temperature of 3°C; their growth is more sensitive to short-day sunshine, and their light saturation poin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G7/04A01G31/00
CPCA01G7/045A01G24/00A01G31/00Y02P60/14
Inventor 刘厚诚宋佳丽宋世威
Owner SOUTH CHINA AGRI UNIV
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