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Plant growth regulator preparing process

A plant growth regulator, a technology of a growth regulator, applied in the field of preparation of plant growth regulators, can solve the problems of not being able to significantly increase crop production, limited range of action, etc., to improve plant immunity, be widely used, and promote plant growth Effect

Inactive Publication Date: 2005-08-17
NORTHWEST UNIV(CN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] A Chinese patent application discloses an oligosaccharide plant growth promoter and its preparation method (98112868.8), which also has a limited range of action and cannot significantly increase crop production.

Method used

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  • Plant growth regulator preparing process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Dissolve 1.0g of acetic acid in 500ml of water, add 1.0g of chitosan with a degree of polymerization of 6 (molecular weight is about 1200) at 40°C under stirring, stir for 30min, add 0.4g of urea and 0.3g of potassium dihydrogen phosphate, continue Stir until the solution is clear, add 40ml of ethanol and 0.8g of salicylic acid to obtain about 550ml of the original solution of the plant growth regulator.

Embodiment 2

[0021] Same as Example 1, only salicylic acid was not added.

Embodiment 3

[0023] Dissolve 0.7g maleic anhydride and 0.3 malic acid in 200ml of water, add 1.0g of chitosan with a degree of polymerization of 6 (molecular weight is about 1200) at 40°C under stirring, stir for 30min, add 0.4g of urea and 0.3g of potassium dihydrogen phosphate, continue to stir until the solution is clear, add 30ml of ethanol and 0.8g of levanic acid, and about 230ml of the original solution of the plant growth regulator can be obtained.

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Abstract

The present invention is the preparation process of plant growth regulator capable of promoting crop's growth and raise crop's yield. The preparation process includes dissolving organic acid or acid anhydride in water of 50-500 times via stirring, dissolving chitosan in the same amount as the organic acid or acid anhydride via stirring at 15-55 deg.c, dissolving urea and potassium dihydrogen phosphate in 0.2-0.5 time chitosan weight, adding ethanol in 30-50 times the chitosan weight and adding small amount of levulose acid. The plant growth regulator is easily to be absorbed by plant to promote plant growth via activating plant cell, raising plant resistance and raising plant immunity.

Description

technical field [0001] The invention relates to a preparation method of a plant growth regulator capable of promoting the growth of crops and increasing the yield of crops. Background technique [0002] In the late 20th century, it was discovered that some oligosaccharides with special structures in plants can activate the plant's self-defense system and kill pests and diseases. Its mechanism of action is: the oligosaccharide activator sends a defense signal after passing through the membrane of the cell wall and protoplasm, and then transfers the signal and is translated into a complex biological process, activating the self-defense group of the plant, on the one hand, it produces glycosidases such as β -glucose, chitinase, galacturonase, to decompose pathogens containing activators, on the other hand, to activate several biological enzymes that can generate simple organic compounds such as flavonoids, terpene alcohols, acetylenes, etc., These compounds can also poison and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F15/00C05G1/00
Inventor 杨哲民
Owner NORTHWEST UNIV(CN)
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