A kind of insecticidal composition containing pyrimidan and tetronic acid insecticides

An insecticidal composition and tetronic acid technology, applied in the direction of acaricides, biocides, animal repellents, etc., to achieve low drug cost, good control effect, and good insecticidal effect

Active Publication Date: 2015-12-02
农心作物科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] In order to overcome the defective of existing single preparation, technical scheme of the present invention solves like this:

Method used

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  • A kind of insecticidal composition containing pyrimidan and tetronic acid insecticides
  • A kind of insecticidal composition containing pyrimidan and tetronic acid insecticides
  • A kind of insecticidal composition containing pyrimidan and tetronic acid insecticides

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034]Weigh 10% pyrimethan, 10% spirodiclofen, 3% TERSPERSE4894, 1% TERSPERSE2500, 0.3% xanthan gum, 5% propylene glycol, 0.5% benzoic acid, 0.5% silicone defoamer (trade name: s- 29, produced by Nanjing Sixin Applied Chemicals Company), deionized water was added to 100% by weight. The above raw materials were mixed, dispersed at high speed for 30 minutes, and sanded with a sand mill to prepare a 20% pyrimidamide spirodiclofen suspending agent.

Embodiment 2

[0036] Weigh 30% pyrimethan, 3% spiromethin, 4% TERSPERSE4894, 1.5% TERSPERSE2500, 1% TERSPERSE2020 (produced by Huntsman, USA), 0.2% magnesium aluminum silicate, 5% ethylene glycol, 0.5% Add formaldehyde, 0.5% silicone defoamer, and deionized water to 100% by weight. The above raw materials were mixed, dispersed at high speed for 30 minutes, and sanded with a sand mill to prepare a 33% pyrimethan-spirofen suspension concentrate.

Embodiment 3

[0038] Weigh 10% pyrimethan, 20% spirotetramat, 4% Span-60#, 3% Nongru 1601#, 2% alkylphenol polyoxyethylene ether phosphate, 1%TERSPERSE2020, 0.2% poly Vinyl alcohol, 5% ethylene glycol, 0.5% sodium benzoate, 0.5% organic silicon defoamer, and deionized water are added to 100% by weight. The above raw materials were mixed, dispersed at high speed for 30 minutes, and sanded with a sand mill to prepare a 30% pyrimidamide-spirotetramat suspension concentrate.

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Abstract

The invention discloses an insecticidal composition containing pyrimethan and tetronic acid insecticides, the effective active ingredient of which is the first active ingredient pyrimidan and the second active ingredient selected from tetronic acid insecticides For the spirodiclofen, spiromethin or spirotetramat, the weight ratio of the first active ingredient to the second active ingredient is 1:10-10:1. The composition can be formulated into agriculturally acceptable suspensions, wettable powders, water-dispersible granules or dispersible oil suspensions. The composition of the invention is reasonable, the insecticidal effect is good, and its activity and insecticidal effect are not a simple superposition of the activities of each component. Compared with the existing single preparation, it not only has a significant insecticidal effect, but also has a significant increase. Efficacy, good safety for crops. The invention has remarkable control effect on citrus spider mite and cotton spider mite.

Description

technical field [0001] The invention relates to an insecticidal composition, which is composed of the first active ingredient pyrimethan and one of the second active ingredient tetronic acid insecticides spirodiclofen, spiromethin and spirotetramat, belonging to The field of compound pesticide technology. Background technique [0002] Harmful mites in agricultural production are also called spider mites, yellow spiders, etc., and belong to the order Arachnida Acarina. It mainly harms citrus, apple, cotton, vegetables, wheat and other crops. Most of the harmful mites gather on the back of the leaves, and the adults and nymphs use their mouthparts to pierce the leaves and suck the juice. When pest mites occur, it is the most effective means to use acaricides to prevent and control them. At present, the pesticides registered in the Ministry of Agriculture for the prevention and control of agricultural pests mainly include abamectin, pyridaben, propargite, and fenbutatin. It h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/06A01N43/54A01P7/02A01N43/12
Inventor 冯建雄李明甫何爱华马强张崇斌郑敬敏
Owner 农心作物科技股份有限公司
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