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Tolfenpyrad and tebufenozide insecticidal composition

An insecticidal composition and a technology for tolafenamide, which are applied in the field of pest control on vegetables and rice, can solve the problems of environmental pollution farmers' medication costs, unfavorable agricultural sustainable development, excessive pesticide residues, etc., so as to improve the control effect and reduce the The effect of usage and cost reduction

Inactive Publication Date: 2013-05-15
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

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

Method used

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  • Tolfenpyrad and tebufenozide insecticidal composition
  • Tolfenpyrad and tebufenozide insecticidal composition
  • Tolfenpyrad and tebufenozide insecticidal composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1: the insecticidal composition is a suspending agent, and the percentages of each component are respectively:

[0020] Active ingredient A 1~50%,

[0021] Active ingredient B 1~70%,

[0022] Dispersant 5-20%,

[0023] Antifreeze 1~5%,

[0024] Thickener 0.1~2%,

[0025] Defoamer 0.1~1%,

[0026] pH adjuster 0.1~5%,

[0027] water balance.

[0028] The specific operation steps are: first mix other additives, shear and mix evenly in a shearing machine, then add active ingredients A and B, grind in a ball mill for 2 to 3 hours, so that the particle diameter is below 5mm, and then Prepare the suspension formulation of the insecticidal composition of the present invention.

Embodiment 2

[0029] Embodiment 2: the insecticidal composition is an emulsion in water, and the percentages of each component are respectively:

[0030] Active ingredient A 1~50%,

[0031] Active ingredient B 1~70%,

[0032] Emulsifier 2~30%,

[0033] Solvent 5~15%,

[0034] Stabilizer 2~15%,

[0035] Antifreeze 2~5%,

[0036] Defoamer 0.1~5%,

[0037] Thickener 0.1~2%,

[0038] water balance.

[0039] The specific operation steps are as follows: the active ingredients A and B, a solvent and an emulsifier are mixed together to dissolve into a uniform oil phase. Then mix some water and other additives together to dissolve into a uniform water phase. Then add the oil phase to the water phase while stirring at high speed in the reactor, slowly add water until reaching the phase inversion point, then perform high-speed shearing, and add the remaining water, and shear for about 30 minutes to obtain the insecticidal combination of the present invention water emulsion formulations.

Embodiment 3

[0040] Embodiment 3: the insecticidal composition is a microemulsion, and the percentages of each component are respectively:

[0041] Active ingredient A 1~50%,

[0042] Active ingredient B 1~70%,

[0043] Emulsifier 10-30%,

[0044] Antifreeze 1~10%,

[0045] Stabilizer 0.5~10%,

[0046] Solvent 20~45%,

[0047] water balance.

[0048] The specific operation steps are: completely dissolve the active ingredients A and B with a solvent and a co-solvent, then add other adjuvants, mix well, finally add water, and after fully stirring, the microemulsion preparation of the insecticidal composition of the present invention can be obtained .

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Abstract

The invention discloses a tolfenpyrad and tebufenozide insecticidal composition. The insecticidal composition comprises a first active ingredient tolfenpyrad and a second active ingredient tebufenozide as well as commonly used auxiliary components, wherein the weight ratio of tolfenpyrad to tebufenozide is (20: 1)-(1: 10). The insecticidal composition has a synergistic interaction, and a good prevention and control effect for pests such as chilo suppressalis walker, scirpophaga incertulas and cnaphalocrocis medinalis on rice, plutella xylostella, beet armyworm and pieris rapae on vegetables; and simultaneously, the use amount of pesticides is reduced, residues of the pesticides on crops are lowered, the pollution to the environment is reduced, and the generation of pest resistance to insecticide is delayed.

Description

technical field [0001] The invention relates to a pesticide insecticidal composition and its application field, in particular to a binary compound compounded with tolfenpyrad and tebufenozide as active ingredients, which is applied to the prevention and control of pests on vegetables and rice. Background technique [0002] Tolfenpyrad is a new type of pyrazole heterocyclic insecticide and acaricide. Its main mechanism of action is to prevent the oxidative phosphorylation of insects. It has the functions of killing eggs, inhibiting feeding, inhibiting oviposition and bactericidal. The drug has a wide insecticidal spectrum, and has a high control effect on various Pteroptera, Hemiptera, Coleoptera, Thysanoptera, and Diptera pests and mites. It is widely used in vegetables, fruit trees, flowers, and tea. Pest control on other crops. [0003] Tebufenozide: It is a new type of hormonal insecticide. The mechanism of action is mainly to affect the normal molt of insects, causing i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/56A01N37/28A01P7/04
Inventor 张志伟刘鹏陈佛祥冷忠国朱刚王礼文
Owner GUANGDONG ZHONGXUN AGRI TECH
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