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Pesticidal composition with synergistic effect

An insecticidal composition and technology of active ingredients, applied in the directions of insecticides, applications, biocides, etc., can solve the problems of slow insecticidal speed of pymetrozine, reduce harm, delay the generation of insecticide resistance, and reduce environmental pollution and pesticide residues

Inactive Publication Date: 2010-02-10
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, pymetrozine is slow to kill insects, and long-term use is prone to resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1: 21% spirotetramat · pymetrozine suspension concentrate (spirotetramat: pymetrozine=20:1)

[0016] Spirotetramat 20.83g, pymetrozine 1.05g, lignosulfonate (dispersant) 4g, ethylene glycol (antifreeze) 4g, polyethylene glycol (thickener) 1g, silicone oil (defoamer) ) 0.4g, replenished to 100g with deionized water.

Embodiment 2

[0017] Embodiment 2: 16% spirotetramat · pymetrozine suspension concentrate (spirotetramat: pymetrozine=1:1)

[0018] Spirotetramat 8.33g, pymetrozine 8.42g, lignosulfonate (dispersant) 4g, ethylene glycol (antifreeze) 4g, bentonite (thickener) 3g, organosilicone (defoamer) ) 3g, supplemented with deionized water to 100g.

Embodiment 3

[0019] Embodiment 3: 33% spirotetramat · pymetrozine suspension concentrate (spirotetramat: pymetrozine=1:10)

[0020] Spirotetramat 3.13g, pymetrozine 31.58g, sodium lignosulfonate (dispersant) 4g, ethylene glycol (antifreeze) 4g, xanthan gum (thickener) 0.5g, silicone oil (defoamer) agent) 0.4g, supplemented with deionized water to 100g.

[0021] 2, the processing and embodiment of oil suspending agent

[0022] Mix the active ingredients spirotetramat and pymetrozine, dispersant, emulsifier, stabilizer, defoamer and solvent according to the proportion of the formula, put them into a sand mill and grind them, then send them into the homogeneous mixing Mix in the container to get the finished product.

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PUM

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Abstract

The invention discloses a pesticidal composition comprising the active components including spirotetramat and pymetrozine, with mass ratio of 40:1-1:80. By combining the spirotetramat and the pymetrozine, the composition has obvious synergistic effect, can reduce the consumption of the active components and is conductive to retarding the drug resistance of pests. The composition of the invention can be used for controlling diverse pests on agricultural and horticultural crops and is especially suitable for controlling the sucking mouthparts pests such as plant hoppers, aphids, thrips, whiteflies and the like.

Description

technical field [0001] The invention relates to an insecticidal composition, in particular to an insecticidal composition whose active ingredients are spirotetramat and pymetrozine, and its application in preventing and controlling agricultural and horticultural crop pests. Background technique [0002] Spirotetramat (Spirotetramat) is a tetronic acid insecticide. Spirotetramat has a unique mechanism of action, which can move up and down in the plant body to reach the leaves and bark, so as to control pests such as raw raisins and cabbage inner leaves and fruit bark. Spirotetramat is highly efficient and broad-spectrum, and can effectively control various piercing-sucking mouthpart pests, such as aphids, thrips, psyllids, mealybugs, whiteflies and scale insects. However, if spirotetramat is used alone, it is easy to make pests resistant, and the cost of control is relatively high. [0003] Pymetrozine, the main mode of action is contact and systemic action. Due to the dif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/707A01N43/38A01P7/04
Inventor 刘忠义朱卫锋曹明章桂艳男程凯孔建
Owner SHENZHEN NOPOSION AGROCHEM
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