A method of increasing cucumber female flower rate by using melatonin

A technology of melatonin and cucumber, applied in botany equipment and methods, chemicals for biological control, applications, etc., can solve the problems of unclear sex differentiation of melatonin, promote early market launch, and increase female flower rate , Improve the effect of precocity

Active Publication Date: 2019-06-21
JIANGXI AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But whether melatonin is involved in the sex differentiation of melons is still unclear

Method used

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  • A method of increasing cucumber female flower rate by using melatonin

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] (1) Cucumber seedling cultivation

[0019] Choose cucumber varieties with a high seed germination rate, remove small, shriveled, damaged seeds and impurities before soaking the seeds, and dry them indoors for 2 days. Then use the 5% NaClO prepared in advance to disinfect for ten minutes, and then rinse with distilled water repeatedly for 5 times; or soak the seeds in warm water, soak the seeds in hot water at 50°C to 55°C for 15min to 20min, stir constantly, and then use warm water at 30°C Soak the seeds for 6h-8h, rub repeatedly to remove impurities on the surface of the seeds, clean and accelerate germination. After soaking, keep the seeds moist, accelerate germination at 25°C-30°C for about 20 hours, wash once or twice during this period, and sow when the seeds are 70% white. The seeds are then sown in nutrient pots or plugs. When the nutrient soil or matrix is ​​placed in the tray (bowl), it is slightly lower than the seedling hole or the nutrient bowl, sow 1 seed...

Embodiment 2

[0034] Steps (1) to (2) are the same as in Example 1, step (3) is the four-leaf one-heart period, and the first female flower nodes and the first 20 female flower ratios are counted, and the results show that the treatment effect of Example 1 can be achieved.

Embodiment 3

[0036] Steps (1) to (2) are the same as in Example 1, the number of sprays in step (3) is 2 times, and the statistics of the first female flower nodes and the first 20 female flower ratios show that the treatment effect of Example 1 can be achieved .

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Abstract

The invention discloses a method for increasing the female flower rate of cucumbers by using melatonin. The method comprises spraying a melatonin solution with a concentration of 10-50 μmol / L on the leaves, stem tips or whole plants of cucumber seedlings, or Use a pipette to inject into the shoot tips and growing leaves of cucumber seedlings. Adopting the scheme of the present invention to use melatonin to treat cucumber seedlings can effectively reduce the node position of the first female flower of cucumber, and promote the early maturation of cucumber; increase the female flower rate of cucumber, and the proportion of female flowers at the first 20 nodes is increased by 10-20%, which helps In order to promote the increase of cucumber, it is estimated that the increase in production can reach about 20%.

Description

technical field [0001] The invention relates to the field of biotechnology, in particular to a method for increasing the female flower rate of cucumbers by utilizing melatonin. Background technique [0002] Cucurbit vegetable crops are monoecious and dioecious, and the flowers of melons can be divided into female flowers, male flowers and hermaphrodite flowers, and all three kinds of flower buds develop from hermaphrodite flower primordia. When the environmental conditions are suitable for the development of the pistil primordium, the stamen primordium degenerates and the pistil primordium develops to form a female flower; when the environmental conditions are suitable for the development of the stamen primordium, the pistil primordium degenerates and the stamen primordium develops to form a male flower. Since sex differentiation directly affects the yield and quality of melons, especially the increase in the proportion of female flowers is an important way to increase yield...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/38A01P21/00
CPCA01N43/38
Inventor 杨有新吴超群
Owner JIANGXI AGRICULTURAL UNIVERSITY
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