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Formula and process of Chinese-herb compound pesticide

A technology of pesticides and Chinese herbal medicines, applied in the field of Chinese herbal compound pesticides, can solve the problems of low dilution factor, unstable ingredients, poor stability, etc., and achieve the effect of high dilution factor, low cost and good stability

Inactive Publication Date: 2012-07-25
HEBEI AGRICULTURAL UNIV.
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Problems solved by technology

[0003] According to the principle of "matching and synergizing" Chinese herbal medicine plants, the present invention provides a preparation method of a Chinese herbal compound insecticide aimed at the instability of general botanical pesticide components, low dilution multiples and poor stability

Method used

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  • Formula and process of Chinese-herb compound pesticide

Examples

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Embodiment Construction

[0019] Example The efficacy test of Chinese herbal compound insecticide with 3% extract content and single extract with the same concentration on Plutella xylostella larvae on field cabbage.

[0020] Chinese herbal compound insecticide: sunflower plant extract-0.5g, chrysanthemum chrysanthemum leaf extract-0.5g, wild peppermint essential oil-1g, peppermint essential oil-1g, sodium alginate-2g, epoxidized vegetable oil-1g, Organosilicon-5g, Tween 80-8g, make up the rest to 100g with distilled water, add to a stirring container with a thermometer, heat to 60°C, mix and stir evenly, and obtain 100g of Chinese herbal medicine with an extract content of 3%. Compound insecticide, diluted 1000 times before use.

[0021] Sunflower plant insecticide: Oriented sunflower plant extract-3g, sodium alginate-2g, epoxidized vegetable oil-1g, silicone-5g, Tween 80-8g, the rest is made up to 100g with distilled water, Add it into a stirring container with a thermometer, heat to 60° C., mix and...

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Abstract

The invention relates to a formula and a process of a Chinese-herb compound pesticide for preventing and controlling agricultural pests and sanitary pests. The process comprises the following steps: by using a supercritical CO2 fluid extraction technology, extracting effective components having the insecticidal activity from Heliantheae, Chrysanthemu cinerariaefolium, Menth haplocalyx and Menthpiperita, and preparing the Chinese-herb compound pesticide according to a certain proportion. The main effective components in the Heliantheae extract are polyacetylenes (having the effect of photoactive poisoning), thiofurans (having the effect of photoactive poisoning), sesquiterpenes (having the stomach toxic and antifeeding effects) and other natural products; the main effective component of the Chrysanthemu cinerariaefolium extract is stachydrine (having the action of contace poison); and the main effective components of the Menth haplocalyx extract and the Menthpiperita extract are Menth haplocalyx essential oil (having the effect of repelling) and Menthpiperita essential oil (having the strong effect of fumigation).

Description

technical field [0001] The invention relates to a formula and process of Chinese herbal compound insecticide for preventing and controlling agricultural pests and sanitary pests. Active ingredients with insecticidal activity are extracted from Menth haplocalyx and Menth piperita, and formulated into a Chinese herbal compound insecticide according to a certain proportion. Background technique [0002] Our country is rich in Chinese herbal plant resources, and certain ingredients contained in some Chinese herbal plants can be used to kill insects. The roots, stems, leaves, flowers, fruits, fruits, etc. of these Chinese herbal plants are extracted and processed, and the The active ingredients with insecticidal activity are extracted and compounded according to a certain ratio, which can be made into an environmentally friendly Chinese herbal compound insecticide. [0003] According to the principle of "matching and synergizing" Chinese herbal medicine plants, the invention pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/22A01N65/12A01N43/36A01N43/16A01P7/04
Inventor 王海燕韩文素苑士涛李耀发
Owner HEBEI AGRICULTURAL UNIV.
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