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High-efficiency pesticide composition and application thereof

A pesticide composition and high-efficiency technology, applied in the field of pesticides, can solve the problems of high toxicity, insect drug resistance, and quick-acting properties, and achieve the effects of high control efficiency, good quick-acting properties, and delayed drug resistance

Inactive Publication Date: 2017-03-15
JIANGSU SUBIN AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Lambda-cyhalothrin has good quick-acting properties, high toxicity, and is resistant to rain after spraying, but insects are prone to develop resistance to it after long-term use

Method used

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  • High-efficiency pesticide composition and application thereof
  • High-efficiency pesticide composition and application thereof
  • High-efficiency pesticide composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1 Screening the formulation of the pesticide composition for efficiently killing beet armyworm by toxicity assay

[0024] 1 Materials and methods

[0025] 1.1 Pests tested

[0026] Beet armyworm: Beet armyworm.

[0027] 1.2 Drugs to be tested

[0028] 95% chlorfluron technical, provided by Jiangsu Subin Biological Agrochemical Co., Ltd.

[0029] 95% lambda-cyhalothrin technical, provided by Jiangsu Subin Bio-agrochemical Co., Ltd.

[0030] Fufenuron and lambda-cyhalothrin were dissolved in acetone respectively to prepare 10000mg / L mother liquor for use.

[0031] 1.3 Test method

[0032] The effects of different concentrations of pyrifluron, lambda-cyhalothrin and their mixture on beet armyworm were investigated by spot method. Each pesticide single agent was diluted with acetone to the concentration in Table 1. Mixtures of furbendron and lambda-cyhalothrin with different concentrations were prepared, and each concentration mixture was prepared with differ...

Embodiment 2

[0054] Example 2 Composition of the present invention (suspension concentrate of chlorfenuron and lambda-cyhalothrin) and its field efficacy

[0055]Suspension agent A (15% furfluron-effective cyhalothrin suspending agent): by mass percentage, the polynaphthaldehyde sulfonate sodium salt of 12% furfluron, 3% beta-cyhalothrin, 4% (dispersant), 1.5% sodium diisobutylnaphthalene sulfonate (wetting agent), 0.4% polydimethylsiloxane (defoamer), 4% ethylene glycol (antifreeze), 0.15% xanthan Glue (thickener) and 0.15% sodium benzoate (preservative) are mixed, then supplemented with water to 100%, mixed, sheared with a high-shear homogenizer, and sanded with a sand mill to an average particle size of 2-3 microns.

[0056] Suspension agent B (25% furfluron-effective cyhalothrin suspending agent): by mass percentage, 17.8% furfluron, 7.2% lambda-cyhalothrin, 3% sodium lauryl polyoxyethylene sulfate (wetting agent), 3% sodium lignosulfonate (dispersant), 4% propylene glycol (antifreeze...

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Abstract

The invention provides a high-efficiency pesticide composition and application thereof, and relates to the field of pesticides. Active ingredients of the high-efficiency pesticide composition are teflubenzuron and high-efficiency cyhalothrin in a mass ratio of 5 to (0.5 to 15). The invention also provides application of the high-efficiency pesticide composition in preventing cabbage caterpillar, aphids and asparagus caterpillar in vegetables, pectinophora gossypiella, helicoverpa armigera, cotton aphids and tetranychus telarius linne in cotton, and phyllocnistis citrella, spider mites, Empoasca pirisuga Matumura and green fruitworm in fruit trees. The two active ingredients of the pesticide composition produce a synergistic effect, so that the preventive effect is good, the fast-acting property is good, the consumption of the pesticide and the toxicity are reduced, the occurrence of drug resistance is slowed down, the pesticide application security is improved, the pollution is reduced, and the cost is saved.

Description

technical field [0001] The invention relates to the field of pesticides, in particular to a high-efficiency pesticide composition and its application. Background technique [0002] Fufenuron, whose chemical name is 1-(3,5-dichloro-2,4-difluorophenyl)-3-(2,6-difluorobenzoyl)urea, is an important high-efficiency and low-toxicity A type of benzoylurea insecticide, which is relatively friendly to humans and animals, and has extremely high biological activity. Fufenlong mainly kills pests by inhibiting the synthesis of chitin, and has achieved excellent results in crop protection with its unique insecticidal activity. Fuxonuron is effective against whitefly, Diptera, Octoptera, Hymenoptera, Lepidoptera and Psyllidae larvae, and can be used for cabbage, citrus, cotton, grape, pome fruit, potato, drupe fruit, Sorghum, soybeans, trees, tobacco and vegetables. However, furbron is a slow-acting agent, which has no penetrating effect on plants, causing slow death of pests and poor q...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N53/08A01N47/34A01P7/02A01P7/04
CPCA01N47/34A01N53/00A01N2300/00
Inventor 马汝海徐东祥王琦赵福兵
Owner JIANGSU SUBIN AGROCHEM
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