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Chinese herbal medicine pesticide and sterilizer and its preparing method

A sterilant, Chinese herbal medicine technology, applied in the directions of fungicides, botanical equipment and methods, biocides, etc., can solve the problems of insecticide sterilizers, organic poisoning, high cost, and achieve simple preparation methods, inhibiting Hazardous, easy-to-use effects

Inactive Publication Date: 2004-09-29
胡慎思
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing Chinese herbal pesticides are generally prepared by organic solvent extraction or extraction, which not only has high cost and large investment, but also the residual organic matter will still be poisonous to the human body
However, there is no insecticide and sterilizer completely made of pure natural plants on the market.

Method used

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  • Chinese herbal medicine pesticide and sterilizer and its preparing method
  • Chinese herbal medicine pesticide and sterilizer and its preparing method

Examples

Experimental program
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Effect test

Embodiment 1

[0018] Weigh 33 kg of 3 cm long and pass through a 20 mesh sieve and 33 kg of flavescens, soak them in water for 2 hours, then decoct them at a temperature of 100°C for 2 hours, filter through a 100 mesh sieve after precipitation, and obtain the filtrate A; add water to the filter residue and repeat the above-mentioned decoction and filtration process to obtain filtrate B; combine filtrate A and filtrate B and concentrate to a Baume degree of 1:1.3; weigh 33 kilograms of 2 cm long and 40 mesh sieves After rinsing, soak in water for 2 hours, then decoct at a temperature of 70°C for 1 hour, filter with a 100-mesh sieve after precipitation, and obtain filtrate A; add water to the filter residue and repeat the above decoction and filtration process to obtain filtrate B; A and filtrate B are combined and concentrated to a Baume degree of 1: 1.3; take by weighing 32 kilograms of neem bark after crushing and passing through a 40 mesh sieve, soak in water for 2 hours after rinsing, and...

Embodiment 2

[0020] Weigh 30 kg of bacurbita and 30 kg of flavescens that are 2 cm long and pass through a 20-mesh sieve, soak them in water for 2 hours, then decoct them at a temperature of 100°C for 2 hours, filter through a 100-mesh sieve after precipitation, and obtain the filtrate A; add water to the filter residue and repeat the above-mentioned decoction and filtration process to obtain filtrate B; combine filtrate A and filtrate B and concentrate to a Baume degree of 1:1.3; weigh 32 kilograms of 3 cm long and 40 mesh sieves After rinsing, soak in water for 2 hours, then decoct at a temperature of 70°C for 1 hour, filter with a 100-mesh sieve after precipitation, and obtain filtrate A; add water to the filter residue and repeat the above decoction and filtration process to obtain filtrate B; A and filtrate B are combined and concentrated to a Baume degree of 1: 1.3; take by weighing 30 kilograms of neem bark after crushing and passing through a 40 mesh sieve, soak in water for 2 hours...

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Abstract

The Chinese herbal medicine pesticide and sterilizer consists of sessile stemona root, wild carrot fruit, chinaberry tree bark, quisqualis fruit, flavescent sophora root, moxa leaf, emulisifer, turpentine and ethanol. It is a kind of green product without environmental pollution, and can inhibit the harm of pest on crop via stomach killing as main pesticidal mode and contact killing as auxiliary pesticidal mode. It has high pesticidal effect, small use amount and no harm to human, animal and environment, and may be used for crop, especially vegetable, fruit, tea, etc.

Description

technical field [0001] The invention relates to a pesticide and a preparation method thereof, in particular to a Chinese herbal medicine insecticide made from plant Chinese herbal medicine and a preparation method thereof. Background technique [0002] Insecticides are primarily a class of pesticides used to control agricultural pests. At present, organophosphorus insecticides are the most widely used insecticides with many kinds of products, ranking first in the output of insecticides. These insecticides are usually made by chemical synthesis, although they have The advantage of killing insects quickly, but long-term consumption of food that has been applied with this insecticide will cause chronic toxicity to the human body, especially delayed neurotoxicity and other problems. Existing Chinese herbal medicine insecticides are generally prepared by organic solvent extraction or extraction, which not only has high cost and large investment, but also the residual organic mat...

Claims

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Application Information

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IPC IPC(8): A01N65/46A01N65/08A01N65/10A01N65/12A01N65/20A01N65/26A01P3/00
Inventor 胡慎思
Owner 胡慎思
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