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Botany resource disinfectants for agricultural use an dits prepn. method

A technology of agricultural fungicides and fungicides, applied in the field of pesticides, can solve the problem of few botanical fungicides

Active Publication Date: 2007-04-18
长白山皇封参业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, many kinds of plant patents or products have come out in our country, but most of them are botanical insecticides, and few of them involve botanical fungicides.

Method used

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  • Botany resource disinfectants for agricultural use an dits prepn. method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1. extract preparation

[0023] Weigh Asarum 30kg, Turmeric 40kg, Sophora flavescens 30kg. Mix and crush through a 40-mesh sieve, soak in 400kg of ethanol for 24 hours. Then in the reaction kettle, reflux extraction, extraction temperature 75-80 ℃, extraction time 3h, filter, extract 2 times in the same way, combine the 2 filtrates, and then concentrate to recover the solvent to 1 / 3 of the original drug. That is, the volume was adjusted to 33kg to obtain the extract.

Embodiment 2

[0024] Example 2. Extract preparation

[0025] Take Asarum 50kg, Turmeric 20kg, Sophora Sophora 30kg, mix and pulverize through a 40-mesh sieve, and other methods are the same as in Example 1 to obtain the extract.

Embodiment 3

[0026] Embodiment 3. the preparation of fungicide emulsifiable concentrate

[0027] Weigh 40kg of plant extract, 40kg of methanol, 10kg of alkylphenol polyoxyethylene ether, and 10kg of penetrant, and stir well to obtain the fungicide emulsifiable concentrate.

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Abstract

An efficient broad-spectrum low-poison vegetative agricultural bactericide in the form of emulsified oil, microemulsion, aquatic emulsion, or soluble liquid is prepared from asarum herb, turmeric and flavescent sophora root. Its preparing process is also disclosed.

Description

1. Technical field [0001] The invention relates to a pesticide, in particular to a botanical fungicide. 2. Background technology [0002] The application of chemically synthesized pesticides has the characteristics of good control effect and fast action, and is currently one of the important means of pest control. However, a large number of long-term and irrational use of chemically synthesized pesticides, especially the application of highly toxic and high-residue pesticides, has resulted in excessive pesticide residues, polluted the environment and agricultural products, and endangered the health of humans and animals; pests and diseases have developed resistance to pesticides, reduced control effects and even killed Serious natural enemies will cause pests and diseases to rampant again and destroy the ecological balance. This is the so-called "3R" problem of chemical pesticides. [0003] The negative effects caused by improper use or abuse of chemical pesticides are obv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/00A01N65/48A01N65/08A01N65/20A01P3/00
CPCY02A50/30
Inventor 高微微樊瑛刘海燕何春年陈士林
Owner 长白山皇封参业股份有限公司
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