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Synergistic agent of pesticide

A technology of pesticides and synergists, which is applied in the field of synergists, can solve the problems of limited progress, high cost of synergists, and inability to be applied and promoted on a large scale, and achieves the effect of reducing dosage and cost.

Inactive Publication Date: 2003-11-26
INST OF PLANT PROTECTION GUANGXI ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As far as the development of insecticide synergists is concerned, the progress in these years has been limited, and the developed synergists themselves are expensive and cannot be applied on a large scale

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Put 10 kg of leaves and seeds of the Vitex plant collected in the wild, crush them, put them into the steamer, and cook them with high heat, so that the water vapor passes through the Vitex plants and enters the condenser, and collects the first distilled part condensed by the condenser That is Huangjingsu. A total of 0.5 kg of vitexin was obtained.

Embodiment 2

[0013] Weigh 10 kg of leaves and seeds of the Vitex radix plant collected from the wild, crush them, add 10 kg of petroleum ether, soak for 10 days, stir frequently during the soaking period, filter after soaking, and obtain 5 kg of filtrate as vitexin.

[0014] The following is a comparison table of the insecticidal effect of vitexin and various insecticides in the 1:1 ratio test.

[0015] category

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PUM

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Abstract

The synergistic agent of pesticide is prepared with Verbenaceae and Vitex negundo as plant material and through distillation or organic solvent soaking and filtering to extract Vitex negundo essence. When used, Vitex negundo essence is added into chemical or biological pesticide with the added amount being 0.1-95 %. It has obvious synergistic effect, and in the equal pesticidal effect, the pesticide consumption may be reduced by 50-70 % resulting in greatly reduced pesticidal cost.

Description

Technical field: [0001] The present invention relates to agricultural insecticides, in particular to a synergist capable of improving the efficacy of known insecticides. Background technique: [0002] In recent years, especially after my country's accession to WTO, in order to meet the requirements of pollution-free export of agricultural products, the research and development of biological source insecticides, especially plant source insecticides, has been very active, and some gratifying progress has been made. In our country, tobacco, deer vine, milletus pachyrhiza, cleavage, rhododendron chinensis, croton, tripterygium wilfordii, Boluohui, hundred leaves, neem, neem, vine, sand cypress , Artemisia scoparia and other insecticidal plants have been studied in depth. And developed 10 kinds of rotenone, anartemisinin, bitter bartendine, azadirachtin, toosendanin, tea saponin, acetocilin, nicotine, matrine, veratrine, anabasine, and crotonine, etc. A variety of botanical pes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/08A01P7/00
CPCY02A50/30
Inventor 廖世纯曾涛
Owner INST OF PLANT PROTECTION GUANGXI ACADEMY OF AGRI SCI
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