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Pesticide composition

A pesticide composition and pesticide technology, applied in animal repellents, plant growth regulators, botanical equipment and methods, 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, reducing the dosage of pesticides, and reducing the dosage of pesticides

Inactive Publication Date: 2010-06-16
上海悦联化工有限公司
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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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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044]The tea leafhopper (Empoasca pirisuga Matumura) used in the experiment is the 3rd instar nymph of Empoasca pirisuga Matumura collected from the field and bred with fresh tea tree shoots indoors for 3 generations.

[0045] Weigh 0.0310g of Memocarb 96.7% original drug and dissolve it with 0.5ml of DMF, add 0.2ml of Tween80 emulsifier, stir evenly, add 299.3ml of water to make a 100mg / L mother solution, then take 80ml of the mother solution and add 20ml containing 0.1% Prepare 80mg / L test solution in water of Tween80 emulsifier, and then dilute it into 40mg / L, 20mg / L, 10mg / L, 5mg / L and 2.5mg / L according to the ratio of 2 times, a total of 6 concentrations are tested .

[0046] Weigh 0.0105g of pymetrozine 95% original drug, dissolve it in 0.5ml of DMF, add 0.2ml of Tween80 emulsifier, stir evenly, add 99.3ml of clear 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 ...

Embodiment 2

[0068] The rice planthopper (Nilaparvata lugens) used in the experiment was collected from the field and reared indoors with rice seedlings for multiple generations of 3rd instar nymphs.

[0069] Weigh 0.1034g of Memocarb 96.7% original drug and dissolve it with 0.5ml of DMF, add 0.2ml of Tween80 emulsifier, stir evenly, add 99.3ml of water to make a 1000mg / L mother solution, then take 16ml of the mother solution and add 84ml containing 0.1% Tween 80 emulsifier in water, prepared into 160mg / L test solution, and then diluted into 80mg / L, 40mg / L, 20mg / L, 10mg / L and 5mg / L by 2 times, a total of 6 concentrations were tested.

[0070] Weigh 0.0105g of pymetrozine 95% original drug, dissolve it in 0.5ml of DMF, add 0.2ml of Tween80 emulsifier, stir evenly, add 99.3ml of clear 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 water containing...

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Abstract

The invention belongs to the technical field of pesticides and relates to a pesticide composition comprising metacrate and pymetrozine, wherein the weight ratio of the metacrate to the pymetrozine is (9:1)-(1:1). The pesticide composition can be prepared into various known dosage forms. The pesticide overcomes the resistance of the pests to organic nitrogen by utilizing the synergistic action of the metacrate and the pymetrozine and has obvious prevention and cure effects on insects resisting to the organic nitrogen, such as lesser green leaf hoppers, rice plant hoppers, and the like.

Description

technical field [0001] The invention relates to a pesticide composition, in particular to a pesticide composition containing organic nitrogen amethocarb 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 of organic ni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/22A01N43/707A01N43/36A01N47/24A01N47/40A01N37/28A01N47/02A01N43/40A01N43/88A01P7/04
Inventor 林齐文虞祥发余德勉
Owner 上海悦联化工有限公司
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