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Method for preparing absorptive bacteriocide and its use

A fungicide and absorption type technology, applied in the field of preparation of absorption type fungicides, can solve the problems of lack of disease-resistant cotton varieties, cotton Verticillium wilt, affecting crop growth and product quality, basic copper sulfate is not easy to be absorbed by plants, etc. The production process is simple and easy to implement, easy to popularize and apply, and the effect of high complexation

Inactive Publication Date: 2005-08-03
HEBEI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although people are actively exploring some methods to control the harm of Verticillium wilt, due to the lack of disease-resistant cotton varieties and effective chemical agents, and the particularity of the onset of Verticillium wilt of cotton (soil-borne, endogenous), the problem has not been fully understood. easy to solve
However, traditional basic copper sulfate fungicides are prone to phytotoxicity, which affects crop growth and product quality; and basic copper sulfate is not easily absorbed by plants and cannot kill endogenous bacteria in crops

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Amino acids are mixed amino acids, the molar volume ratio of mixed amino acids and copper sulfate is 1:1.8, and Ca(OH) is selected first in the alkali neutralization process. 2 Neutralize the mixed amino acid solution, and then adjust the pH of the reaction solution to 7.5 with NaOH, and the appearance of the final reaction product is dark blue. The mixed amino acid is made by hydrolyzing animal hair with sulfuric acid.

Embodiment 2

[0025] The amino acid is mixed amino acid, the molar volume ratio of mixed amino acid and copper sulfate is 1:2.5, and Ca(OH) is selected first in the alkali neutralization process. 2 Neutralize the mixed amino acid solution, and then adjust the pH of the reaction solution to 8.5 with NaOH, and the appearance of the final reaction product is dark blue.

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PUM

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Abstract

The present invention relates to bactericide, and is especially a kind of absorptive bactericide. The blue bactericide is prepared with amino acid and copper sulfate of molar ratio of 1 to 1.8-2.5 and through complexing at pH 7-9. It is superior to traditional alkali copper sulfate bactericide, which may produce harmful effect on the growth and product quality of crop and is hard to be absorbed by crop to kill inside virus. The amino acid complexed copper has high complexing degree and less free copper ions, and the amino acid complexed copper ion is easy to be absorbed by crop and can enter to inside of plant. The present invention has wide bacteriostasis spectrum and it is especially suitable for cotton verticillium wilt.

Description

Technical field [0001] The invention belongs to fungicides, in particular to a preparation method and application of an absorption-type fungicide. Background technique [0002] Cotton Verticillium Wilt (Cotton Verticillium Wilt) is one of the most important diseases of cotton, and the occurrence area of ​​cotton Verticillium Wilt in my country is about 3 million ha per year 2 , accounts for half of the country's cotton planting area, and loses more than 100,000 tons of lint every year. Cotton verticillium wilt has become a major factor limiting cotton production today. Although people are actively exploring some methods to control the harm of Verticillium wilt, due to the lack of disease-resistant cotton varieties and effective chemical agents, and the particularity of the onset of Verticillium wilt of cotton (soil-borne, endogenous), the problem has not been fully understood. Easy to solve. [0003] Copper ion fungicides have been widely used in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N25/00A01N37/44A01N59/04A01N59/20
Inventor 朱宝成韩继刚张元亮王瑛周艳芬肖荷霞梁玉玲薛庆林闫国童陈胜民
Owner HEBEI UNIVERSITY