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Process for preparing 0.3% emulsified sophocarpidine oil as bactericide

A technology of matrine emulsifiable concentrate and processing method, which is applied in the direction of bactericide, biocide, biocide, etc., can solve the problems of slow drug effect time, instability, poor permeability, etc., and achieve reasonable processing technology and simple processing method , the effect of dark green leaves

Inactive Publication Date: 2003-01-15
申书银
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AI Technical Summary

Problems solved by technology

At present, the 0.3% matrine water agent produced by some manufacturers, using it as an insecticide, has a control effect of more than 90% on cabbage caterpillars, while using it as a fungicide, the control effect is not high, and the control effect on vegetable diseases Less than 50%, and the drug effect time is also slow
The reason for the low bactericidal and preventive effect of matrine aqueous solution is that the spreading, wetting and penetrating properties are poor, and it is unstable after adding Nongru hyperosmotic agent

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] 1. Preparation

[0024] Grind the screened Chinese herbal medicines Sophora flavescens, hellebore, and chili pepper to 60 mesh for use, and

[0025] Packaged separately and stored in a ventilated environment at a temperature of 20-30°C.

[0026] 2. Biochemical treatment

[0027] The pulverized Chinese herbal medicines are weighed according to the requirements of each embodiment in the attached table 1, and the weighed

[0028] The Chinese herbal medicine of each embodiment and unslaked lime, water drop into biochemical by the ratio of the weight and number of 31-44: 1: 2

[0029] In the pool, stir well and soak for 4-6 hours for biochemical reaction.

[0030] 3. Put the biochemically treated material into the reaction kettle, then add three times the amount of ethanol with a concentration of 90%, stir, soak, and quench for 48 hours.

[0031] 4. Recover ethanol, then concentrate, dry and make powder.

[0032] 5. Preparation of EC fungicide

[0033] The above-me...

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Abstract

A 0.3% emulsified sophocarpidine oil as bactercide for preventing and eliminating the frosty mildew of vegetable is prepared from 3 Chinese-medicinal materials including flavescent sophora root, rhizoma veratri, etc. calcium lime and water through proportioning, pulverizing, biochemical processing, extracting in alcohol, concentrating and adding emulsifier. Its advantages are sure effect, quickly taking its effect, low poison, no residual and no environmental pollution.

Description

technical field [0001] The invention relates to a processing method of 0.3% matrine emulsifiable oil fungicide, which belongs to the processing method of plant pesticides. Background technique [0002] For a long time, chemical pesticides have been the mainstay in the prevention and control of vegetable and fruit pests. The residues of chemical pesticides not only endanger human health, but also cause damage to the ecological environment. Thus, plant pesticides are attracting more and more attention. At present, the 0.3% matrine water agent produced by some manufacturers, using it as an insecticide, has a control effect of more than 90% on cabbage caterpillars, while using it as a fungicide, the control effect is not high, and the control effect on vegetable diseases Less than 50%, and the drug effect time is also slower. The reason for the low bactericidal effect of the matrine aqueous solution is that the spreading, wetting and penetrating properties are poor, and it is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/20A01N25/02A01N65/38A01N65/42A01P3/00
Inventor 申书银刘京胡范国辉田秀英
Owner 申书银
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