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Soluble concentrate of fructus isopsoraleae chalcone and preparation method of same

A technology of psoralen chalcone and isopsoralea, which is applied in the field of agricultural soluble liquid preparations, can solve the problems of unsatisfactory mutual solubility and needs improvement, and achieve large market application potential, easy degradation, and wide bactericidal spectrum Effect

Active Publication Date: 2013-01-16
沈阳同祥生物农药有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has been proved that the preparation has received good results, but its miscibility with water is not ideal and needs to be improved

Method used

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  • Soluble concentrate of fructus isopsoraleae chalcone and preparation method of same
  • Soluble concentrate of fructus isopsoraleae chalcone and preparation method of same
  • Soluble concentrate of fructus isopsoraleae chalcone and preparation method of same

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0022] Example 1: 0.1% isopsoralen chalcone soluble liquid:

[0023] 0.1% isopsoralen chalcone soluble liquid is prepared from the following raw materials in weight percentage: 0.1% pure isopsoralen chalcone, 39.9% cyclohexanone, 50% ethanol, sorbitan fatty acid ester Polyoxyethylene ether 10%.

example 2

[0024] Example 2: 0.4% isopsoralen chalcone soluble liquid:

[0025] The 0.4% isopsoralen chalcone soluble liquid is prepared from the following raw materials in weight percentage: 0.4% of pure isopsoralen chalcone, 53.6% of N-methylpyrrolidone, 36% of ethylene glycol, castor oil poly Ethylene oxide adduct 6%, sorbitan fatty acid ester polyoxyethylene ether 4%.

example 3

[0026] Example 3: 1% isopsoralen chalcone soluble liquid;

[0027] The 1% isopsoralen chalcone soluble liquid is prepared from the following raw materials in weight percentage: 25% of plant extract containing 4% isopsoralen chalcone, 45% of N-long chain alkylpyrrolidone, dimethyl 22% phenyl formamide, 8% phenylethylphenol polyoxyethylene polyoxypropylene ether.

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Abstract

A soluble concentrate of fructus isopsoraleae chalcone relates to an agricultural soluble concentrate and comprises the following raw materials in percentage by weight: 0.1-10% of fructus isopsoraleae chalcone, 8-20% of emulsifier and a solvent which is added until the concentrate reaches 100%; the pure fructus isopsoraleae chalcone or the plant extract of fructus isopsoraleae chalcone is mixed with the solvent, stirred and completely dissolved; and then the mixture is added with the emulsifier, stirred, uniformly mixed, supplemented with the solvent to reach 100%, and then kept standing for 4-5 hours. The soluble concentrate of fructus isopsoraleae chalcone is used for preventing plant fungus diseases including rice blast, apple canker, cucumber anthracnose, tomato late blight, pepper anthracnose, cucumber botrytis and rhizoctonia solani kuhn, or used for preventing plant viral diseases including tomato mosaic virus, soybean mosaic virus, tobacco mosaic virus, tobacco virus Y and potato virus Y. The soluble concentrate is well soluble with water, so that the sterilizing effect in practical application is greatly improved; and the content of fructus isopsoraleae chalcone as an effectively component is stable.

Description

technical field [0001] The invention relates to an agricultural soluble liquid preparation, in particular to an isopsoralen chalcone soluble liquid preparation, a preparation method thereof and an application in preventing and treating plant diseases. Background technique [0002] Pesticides play a very important role in agricultural production. With the improvement of people's health awareness, most countries attach great importance to the safety of agricultural products, and the restrictions on pesticide residues are very strict. In order to improve the competitiveness of my country's agricultural products in the international market and reduce pesticide residues, efforts to develop new biopesticides have become a top priority. Botanical pesticides come from nature, do not pollute the environment and agricultural products, are relatively safe to humans and livestock, are not prone to drug resistance, low toxicity, and low residue. Therefore, botanical pesticides have bro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N35/04A01N25/02A01P1/00A01P3/00
Inventor 关丽杰赵礼慧邵双李海燕董秋晨
Owner 沈阳同祥生物农药有限公司
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