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Synergistic acaricidal composition containing cyenopyrafen and bifenazate

A technology of bifenazate and pyrazafen, which is applied in the field of pesticide composition and its application, can solve the problems of unfavorable agricultural sustainable development, increased cost of pesticides for farmers, and excessive pesticide residues, so as to improve the control effect and increase the use of pesticides. Lifespan, pollution reduction effect

Active Publication Date: 2015-04-22
JIANGXI ZHONGXUN AGROCHEM
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  • Claims
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Problems solved by technology

At the same time, due to the high-intensity use of pesticides, a series of problems such as excessive pesticide residues in agricultural products, aggravated environmental pollution, and increased pesticide costs for farmers have been caused, which is not conducive to the sustainable development of agriculture.

Method used

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  • Synergistic acaricidal composition containing cyenopyrafen and bifenazate
  • Synergistic acaricidal composition containing cyenopyrafen and bifenazate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0050] Biological Assay Example 2: Field efficacy test of pyrazafen and bifenazate compounded on citrus spider mite

[0051] Adopt 25% pyrazafen-bifenazate suspension concentrate (preparation embodiment 1) to be used for preventing and treating citrus spider mite, investigate insect population base before spraying, investigate residual living mite number respectively after spraying 7d, 14d, 30d, during investigation Check 2 plants in each plot, check 5 leaves of each plant according to 4 directions of east, west, north, south, respectively, check 40 leaves in each plot, record the number of live mites, and calculate the control effect. The control effect calculation method is as follows:

[0052] Control effect (%) = (1-CK 1 ×Pt 1 / CK 2 ×Pt 2 )×100.

[0053] Among them: CK 1 Represents the number of worms in the control area before the drug; Pt 1 Represents the number of insect populations after treatment in the treatment area;

[0054] CK 2 Represents the number of w...

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Abstract

The invention relates to a synergistic acaricidal composition containing cyenopyrafen and bifenazate. The weight part ratio of the cyenopyrafen to the bifenazate is (20 to 1)-(1 to 20), and the sum of the weight of the cyenopyrafen and the bifenazate accounts for 5-85% of the weight of the acaricidal composition. The two active ingredients are compounded to achieve an obvious synergistic effect, and the synergistic acaricidal composition has excellent effects of controlling various mite pests on fruit trees, vegetables, cotton, tea trees and other crops, flowers and plants; the control effect is improved; and moreover, the use amount of pesticides is reduced, so that the cost is reduced, the environmental pollution is reduced, the resistance management of the mite pests is promoted, and the composition has relatively great economic benefits and social benefits in popularization and application.

Description

technical field [0001] The invention relates to a pesticide composition and its application field, in particular to a synergistic acaricidal composition with pyrazafen and bifenazate as active ingredients, which is mainly used in the prevention and control of acarid pests in agriculture. Background technique [0002] Cyenopyrafen: It belongs to a new type of pyrazole acaricide. The mechanism of action is that the agent is metabolized into a hydroxyl form and activated to produce activity. This hydroxyl form inhibits the mitochondria by disturbing the complex II in the respiratory electron transport chain. Efficacy, thereby hindering electron transfer and destroying the process of oxidative phosphorylation. It is mainly used to control various harmful mites on eggplant, pepper, cucumber, pear, strawberry, citrus and other fruits, vegetables, and tea. It has good quick-acting and long-lasting Effectiveness. [0003] Bifenazate (bifenazate): It is a new type of hydrazine ester...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/24A01P7/02A01N43/56
Inventor 张志伟王贵新冷忠国陈佛祥吴泽伟王礼文朱刚
Owner JIANGXI ZHONGXUN AGROCHEM
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