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Broad spectrum environment friendly pesticide and preparation thereof

An environmental protection and pesticide technology, applied in the field of pesticides, can solve the problems of poor pest control effect, large amount of pesticide residue, and large side effects of ecological environment crops, etc., and achieve good insecticidal activity, environmental friendliness, and good insecticidal effect

Inactive Publication Date: 2008-12-10
孙克来
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In order to improve the yield and quality of crops and obtain a good harvest, pesticides are indispensable, but there are also some substantial deficiencies in the use of pesticides, especially for farmland pesticides. At present, most of them are chemical pesticides, which have a small amount of harmful effect Not good, the dosage is too much and the drug residue is large, which has great side effects on human health, ecological environment, soil properties and crops

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Prepare broad-spectrum environmental protection pesticide by following weight and method,

[0013] The first step: raw material processing: cut the harvested tripterygium wilfordii whole plant (leaves, stems and roots, etc.) into pieces, dry them in the sun, crush them to 60 meshes, extract them aseptically with water in a closed tank, and continuously rotate the closed tank, After filtering, purifying, and concentrating, the extract of Tripterygium wilfordii is obtained; add a certain amount of dried grass root powder to 10 times the amount of absolute ethanol, soak at room temperature for 24 hours, stir in a 45-degree water bath for 8 hours, filter and concentrate under reduced pressure, and obtain the ethanol extraction Thing; get white moss bark, Jiu Niuzao respectively add three times the water of each raw material amount to decoct, then filter, merge the filtrate to obtain the extract for subsequent use;

[0014] Step 2: Mixing: Mix the extracts of the raw materia...

Embodiment 2

[0016] Prepare broad-spectrum environment-friendly pesticide according to the method described in embodiment 1, wherein the weight of each raw material extract is as follows:

[0017] 10. Tripterygium wilfordii; 10. white moss bark; 30. nine cows.

Embodiment 3

[0019] Prepare broad-spectrum environment-friendly pesticide according to the method described in embodiment 1, wherein the weight of each raw material extract is as follows:

[0020] Broken Heart Grass 5; Tripterygium wilfordii 10; Moss bark 25; Jiu Niu Zao 50.

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PUM

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Abstract

The invention relates to a pesticide, in particular to the wide-spectrum environmental-protection pesticide. According to the weight portions, the effective composition of the pesticide comprises the plant extracting articles as follows: 5-20 of gelsemium elegans, 5-30 of tripterygium wilfordii, 5-35 of dittany and 5-50 of hupeh euphorbia root. The pesticide of the invention has intense stomach poisoning on a plurality of pests in agricultural fruit trees such as cabbage caterpillar, diamondback moth, and the like; furthermore, the pesticide of the invention has good insecticidal effects on army worm, grasshopper, cricket, cabbage caterpillar and aphid, and the controlling effect is more than 85%; all compositions cooperates together, which have no toxicity and no harms on human body and beasts as well as friendly environment. Furthermore, the pesticide of the invention can be widely applied to controlling the pests of economic crops such as vegetables, water melons, maize, and the like, and the controlling effect is more than 90%.

Description

Technical field: [0001] The present invention relates to pesticides, especially broad-spectrum insecticides. Background technique: [0002] In order to improve the yield and quality of crops and obtain a good harvest, pesticides are indispensable, but there are also some substantial deficiencies in the use of pesticides, especially for farmland pesticides. At present, most of them are chemical pesticides, which have a small amount of harmful effect It is not good, the dosage is too much and the residual amount of medicine is large, and the side effects on human health, ecological environment, soil properties and crops are relatively large. Invention content: [0003] The object of the present invention is to overcome the above disadvantages and provide a broad-spectrum environmentally friendly pesticide with good efficacy, high insecticidal rate, no side effects and environmental friendliness. In addition, its preparation method is also provided, which is simple and easy ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/00
Inventor 孙克来
Owner 孙克来
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