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Pesticide combination containing thiamethoxam and pymetrozine

A pesticide composition and technology of pymetrozine, applied in the direction of insecticides, animal repellants, plant growth regulators, etc., can solve problems such as unsatisfactory single-dose effects, affecting crop yield and quality, and serious environmental pollution , to achieve the effects of delaying pest resistance, fast action speed, and environmental friendliness

Active Publication Date: 2014-06-18
上海悦联化工有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, cotton aphids, wheat aphids, vegetable aphids, and rice planthoppers seriously affect the yield and quality of crops.
Common single-dose effects such as omethoate and imidacloprid are not very satisfactory, and the dosage is increasing year by year, causing more and more serious environmental pollution

Method used

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  • Pesticide combination containing thiamethoxam and pymetrozine
  • Pesticide combination containing thiamethoxam and pymetrozine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The rice planthopper (Nilaparvata lugens) was harvested from this field and the 3rd instar nymphs were reared indoors with rice seedlings for multiple generations for the experiment.

[0044] Weigh 0.0107g thiamethoxam 99.7% original drug and dissolve it with 0.5ml DMF, add 0.2ml Tween80 emulsifier, stir evenly, add 99.3ml clear water to make 100mg / L mother liquor, then take 8ml mother liquor and add 92ml containing 0.1% Prepare 8 mg / L test solution in water containing Tween 80 emulsifier, and then dilute to 4, 2, 1, 0.5 and 0.25 mg / L with water containing 0.1% Tween 80 emulsifier by 2 times, a total of 6 Concentration was tested.

[0045] Weigh 0.0102g of pymetrozine 95% original drug, dissolve it in 0.7ml of DMF, add 0.2ml of Tween80 emulsifier, stir evenly, add 99.1ml of water to make a 100mg / L mother solution, then take 20ml of the mother solution and add 80ml containing 0.1 %Tween 80 emulsifier in water, prepared as 20mg / L test solution, and then diluted with wate...

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Abstract

The invention belongs to the technical field of the pesticide, and relates to a pesticide combination containing thiamethoxam and pymetrozine, wherein the weight ratio of the thiamethoxam and pymetrozine is 9: 1 to 1: 9 and the pesticide combination can be made into different known preparations. By utilizing the synergic effect of the thiamethoxam and pymetrozine, the resistance of the injurious insects for organic nitrogen is overcome, and the prevention effect on the organic nitrogen-resistant insects such as rice planthopper and the like is remarkable.

Description

technical field [0001] The invention relates to a pesticide composition, in particular to a pesticide composition containing a neonicotinoid insecticide thiamethoxam and a novel heterocyclic pymetrozine insecticide. Background technique [0002] In the process of agricultural production, the most likely problem in pest control is the generation of pest resistance. At present, cotton aphids, wheat aphids, vegetable aphids, and rice planthoppers seriously affect the yield and quality of crops. Common single-dose effects such as omethoate and imidacloprid are not very satisfactory, and the dosage increases year by year, causing more and more serious environmental pollution. [0003] Chinese patent application number CN200710022838, the announcement date is June 11, 2008, and the name is "Pymetrozine and Isoprocarb Mixed Insecticide", which discloses the mixture of organic nitrogen isoprocarb and novel heterocyclic pymetrocarb Compounding insecticide, wherein the weight ratio ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N51/00A01N43/707A01P7/04
Inventor 林齐文虞祥发
Owner 上海悦联化工有限公司