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Natural seed dressing agent and its preparation method

A technology of coating agent and seed, applied in the field of natural seed coating agent and its preparation, to achieve the effect of benefiting plant growth, improving microenvironment, and promoting new metabolism

Inactive Publication Date: 2002-09-04
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the technology of combining the two and monosaccharide into seed coating has not been reported yet.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Dissolve 10g of chitosan in 800ml of 1% acetic acid solution, add 15g of carboxymethyl chitosan and 15g of glucosamine, add 100ml of 95% ethanol, add an appropriate amount of pigment, add water to 1000ml, adjust the pH value to 6 through alkaline solution, After stirring evenly, mix with seeds according to the ratio of seed coating agent to seed of 1:20-50, soak for 1 hour, then take out and dry in the sun.

Embodiment 2

[0018] Dissolve 15g of chitosan in 800ml of 1% acetic acid solution, add 20g of hydroxyethyl oligochitosan and 15g of glucosamine, add 150ml of 95% ethanol, add pigment, add water to 1000ml, adjust the pH value to 5.5 by acidic solution, Stir evenly, and all the other methods are the same as in Example 1.

Embodiment 3

[0020] Chitosan oligosaccharide selects 10 grams of chitosan oligosaccharide and 4 grams of chitosan acetyl for use, and alcohol is a mixture of methyl alcohol, ethanol, and isopropanol, and their weight ratio is 1: 1: 1. Other operating conditions are as embodiment 1.

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PUM

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Abstract

A natural seed coating agent extensively applicable to crops and grass seeds is formed from chitosan, oligochitosan derivative, glucosamine and alcohol aqueous solution. The seed coated with the saidcoating agent possesses the characteristics of promoting metabolism of plant cell, raising plant resistance to diseases, promoting development of root system, raising survival rate under the condition of drought, and increasing the output. The said seed coating agent is simple in preparation process, and is easy to implement industrilized production.

Description

technical field [0001] The invention relates to the agricultural application of a natural seed coating agent and a preparation method thereof. Background technique [0002] Seed coating technology has been widely used in agricultural production. The seed coating technology can promote germination to achieve uniform germination and increase the emergence rate; it has a certain water retention capacity for semi-arid soil; due to the addition of certain active substances, the plant has the ability to resist disease and lodging. Therefore, the use of seed coating technology can improve the survival rate of plants and achieve the purpose of increasing production. At present, the land desertification is serious in northern my country, especially the northwest region, and the annual rainfall is relatively low. In the restoration of the ecological environment in the west, there is an urgent need for seed coating technology suitable for regional characteristics, especially for grass...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/06C08L5/08
Inventor 王爱勤阎志宏
Owner LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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