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Preparation method of plant pesticide

A plant insecticide and mixture technology, applied in the field of pesticides, can solve the problems of frequent spraying and short validity period, and achieve the effect of reducing the number of spraying times, increasing the validity period, and increasing the effect of insect resistance

Inactive Publication Date: 2018-01-12
刘凡领
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention: Aiming at the problems that current plant insecticides are sprayed many times and have a short validity period, the present invention provides a preparation method of plant insecticides

Method used

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  • Preparation method of plant pesticide

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preparation example Construction

[0018] A preparation method of plant insecticide, the preparation method comprises the steps of:

[0019] (1) According to the mass ratio of 4:6~9, put the pony running and white worm into the pulverizer for pulverization, collect the pulverized mixture, and pulverize the pulverized mixture according to the mass ratio of 3~5:7:10~12 , soybeans, and 0.8mol / L sodium chloride solution were put into a container, stirred evenly, and stood at 30°C for 5-8 hours;

[0020] (2) After standing still, add bacterial powder to the container, stir evenly, seal the container, and ferment at 32-36°C for 1-3 days, and collect the fermentation mixture in the container;

[0021] (3) In parts by weight, take 70-80 parts of 1.3mol / L ethanol solution, 35-40 parts of the fermentation mixture in the container, 15-17 parts of horseshoe grass, 11-14 parts of Xu Changqing and 7-9 parts of Tripterygium wilfordii , put it into a mashing machine and mash at 12000r / min for 10-15min, collect the mashed mixt...

example 1

[0024] The choice of bacterial powder is: yeast bacterial powder.

[0025] A preparation method of plant insecticide, the preparation method comprises the steps of:

[0026] (1) According to the mass ratio of 4:7, put Xiaomapao and Baibaianworm into the pulverizer for pulverization, collect the pulverized mixture, and pulverize the pulverized mixture, soybeans, 0.8mol / Put L sodium chloride solution into a container, stir evenly, and let stand at 30°C for 6h;

[0027] (2) After standing still, add bacteria powder to the container, stir evenly, seal the container, and ferment at 34°C for 2 days, and collect the fermentation mixture in the container;

[0028] (3) In parts by weight, take 75 parts of 1.3mol / L ethanol solution, 38 parts of the fermentation mixture in the container, 16 parts of calla grass, 12 parts of Xu Changqing and 8 parts of tripterygium wilfordii, and put them into a masher at 12000r / min to mash for 13min, collect the mashed mixture, then subject the mashe...

example 2

[0031] The choice of bacteria powder is: Bacillus subtilis bacteria powder.

[0032] A preparation method of plant insecticide, the preparation method comprises the steps of:

[0033] (1) According to the mass ratio of 4:9, put Xiaomapao and Baibaian worm into the pulverizer for pulverization, collect the pulverized mixture, and pulverize the pulverized mixture, soybeans, 0.8mol / Put L sodium chloride solution into a container and stir evenly, and let stand at 30°C for 8h;

[0034] (2) After standing still, add bacteria powder to the container, stir evenly, seal the container, and ferment at 36°C for 3 days, and collect the fermentation mixture in the container;

[0035] (3) In parts by weight, take 80 parts of 1.3mol / L ethanol solution, 40 parts of the fermentation mixture in the container, 17 parts of calla grass, 14 parts of Xu Changqing and 9 parts of tripterygium wilfordii, put them into a masher at 12000r / min to crush for 15 minutes, collect the crushed mixture, and t...

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Abstract

The invention belongs to the technical field of pesticides, in particular to a preparation method of a plant pesticide. According to the preparation method, cucumis bisexualis and white silkworm are used as nutrient supply sources, so that on one hand, nutrients are provided for fermentation, on the other hand, the surfaces of plants are protected, and plants are prevented from being eaten by pests, meanwhile, fermentation is carried out on a mixture containing soybeans and the like by using microorganisms to obtain colloidal substances, and viscosity of the pesticide is improved; then throughthe extraction of plants such as membranaceous marshmarigold, the pest resistance effect is increased; then under the catalysis of titanium dioxide, pest resistance beneficial substances are cross-linked with the colloidal substances through genipin, so that the beneficial substances are released slowly, the validity time is increased, and the frequency of spraying of the pesticide is reduced.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a preparation method of a plant pesticide. Background technique [0002] Pesticides are mainly used to control agricultural pests and urban sanitation pests. It has a long history of use, large dosage and many varieties. In the 20th century, with the rapid development of agriculture, pesticides greatly increased agricultural output. However, almost all pesticides seriously alter the ecosystem, most are harmful to humans, and others are concentrated in the food chain. We must strike a balance between agricultural development and the environment and health. According to the source, it can be divided into two categories: biogenic pesticides and chemically synthesized pesticides. The production methods of Bt pesticides mainly include liquid submerged fermentation and semi-solid fermentation. The two-step production method is an effective, simple and practical Bt i...

Claims

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Application Information

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IPC IPC(8): A01N65/32A01N63/02A01N25/24A01P7/04
Inventor 郜九宏刘芳尹凯欣
Owner 刘凡领
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