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A kind of gliotoxin emulsifiable concentrate preparation

A technology of gliotoxin and emulsifiable concentrate, applied in the directions of biocides, fungicides, biocides, etc., can solve the problems of flammability and explosion, endanger human health and environmental safety, low flash point, etc., and achieve high bactericidal effect, environmental protection pollution-free effect

Active Publication Date: 2017-04-19
CHAMBROAD CHEM IND RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The emulsifiable concentrate preparation has the characteristics of simple processing technology, convenient use, and high drug efficacy, but the production of the emulsifiable concentrate requires the use of a large amount of organic solvents, mainly aromatic solvents such as benzene, toluene, and xylene, and N,N-dimethylformamide ( DMF), methanol and other polar solvents, these solvents have a low flash point, are flammable, explosive, and highly toxic, and seriously endanger human health and environmental safety
At present, gliotoxin has not been reported in the literature as an active ingredient of pesticide emulsifiable concentrate for pesticide fungicides

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A gliotoxin emulsifiable concentrate preparation, in terms of weight percentage, its raw material composition is: gliotoxin 1%, N-methylpyrrolidone 6%, Nongru 500 emulsifier 3%, alkylphenol and ethylene oxide condensate OP-10 emulsifier 3%, methyl oleate 81%.

[0023] Its concrete preparation steps are:

[0024] (1) take each raw material in proportion, for subsequent use;

[0025] (2) Add the gliotoxin active drug and N-methylpyrrolidone into the reaction kettle in turn, stir, add methyl oleate after the gliotoxin is fully dissolved, and stir evenly;

[0026] (3) Add the emulsifier into the reaction kettle and stir evenly to obtain the product.

[0027] The inhibitory rate of 1% gliotoxin EC to rice blast fungus was 75.25% when the effective concentration of gliotoxin was 40mg / L.

Embodiment 2

[0029] A gliotoxin emulsifiable concentrate preparation, in terms of weight percentage, its raw material composition is: gliotoxin 2%, N-methylpyrrolidone 10%, Nongru 500 emulsifier 9%, nonylphenol polyoxyethylene 10 ether TX- 10 Emulsifier 9%, methyl oleate 70%.

[0030] Its concrete preparation steps are:

[0031] (1) take each raw material in proportion, for subsequent use;

[0032] (2) Add the gliotoxin active drug and N-methylpyrrolidone into the reaction kettle in turn, stir, add methyl oleate after the gliotoxin is fully dissolved, and stir evenly;

[0033] (3) Add the emulsifier into the reaction kettle and stir evenly to obtain the product.

[0034] When the effective concentration of gliotoxin is 50mg / L, the inhibitory rate of 2% gliotoxin emulsifiable concentrate to Zingiberella gingivalis is 70.2%.

Embodiment 3

[0036] A gliotoxin emulsifiable concentrate preparation, in terms of weight percentage, its raw material composition is: gliotoxin 5%, N-methylpyrrolidone 5%, Nongru 500 emulsifier 10%, alkylphenol and ethylene oxide condensate OP-7 emulsifier 10%, methyl oleate 70%.

[0037] Its concrete preparation steps are:

[0038] (1) take each raw material in proportion, for subsequent use;

[0039] (2) Add the gliotoxin active drug and N-methylpyrrolidone into the reaction kettle in turn, stir, add methyl oleate after the gliotoxin is fully dissolved, and stir evenly;

[0040] (3) Add the emulsifier into the reaction kettle and stir evenly to obtain the product.

[0041] The inhibitory rate of 5% gliotoxin EC to tomato leaf mold was 86.5% when the effective concentration of gliotoxin was 40mg / L.

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Abstract

The present invention relates to a pesticide missible oil preparation, and in particular relates to a gliotoxin missible oil preparation, especially an environmentally friendly gliotoxin missible oil preparation safe to humans and crops. The gliotoxin missible oil preparation comprises the following raw materials by weight: 1% -10% of gliotoxin, 5%- 20% of a solvent, 5% -20% of an emulsifying agent, and 70% -88% of a co-solvent. The gliotoxin missible oil preparation uses gliotoxin as an effective active ingredient, and has higher bactericidal effect. Methyl oleate is used for replacing a light aromatic organic solvent in traditional missible oil, toxic and side effects due to heavy use of toluene and xylene can be solved, and the gliotoxin missible oil preparation is free of harm to human health, and free of environmental pollution.

Description

technical field [0001] The invention relates to a pesticide emulsifiable concentrate preparation, in particular to a gliotoxin emulsifiable concentrate preparation, especially a gliotoxin emulsifiable concentrate preparation which is safe for people and crops and is friendly to the environment. Background technique [0002] Gliotoxin is an epipolythiodiketopiperazine toxin produced by molds. It is a broad-spectrum antibiotic and has inhibitory effects on most plant pathogenic fungi. Gliotoxin can inhibit the body's immune response, including macrophage phagocytosis and bactericidal activity, T cell proliferation, etc. A large number of studies are mainly used for the treatment of cancer. Zhejiang University discovered for the first time that gliotoxin has an obvious control effect on rice sheath blight, and later research found that gliotoxin has obvious killing and inhibiting effects on soil-borne diseases. It is the first time that gliotoxin has been applied to the control...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/90A01N25/02A01P3/00
Inventor 冯文娟徐泽平杨传伦王建平韩立霞李晓红
Owner CHAMBROAD CHEM IND RES INST CO LTD