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Dinotefuran and etoxazole compounded insecticidal composition

An insecticidal composition, etoxazole technology, applied in the directions of insecticides, acaricides, biocides, etc., can solve the problems of chemical pesticide residues in the environment, decline in pest control efficiency, environmental pollution, etc., and achieve delay in pest resistance. Medicinal properties, long control time and good environmental compatibility

Active Publication Date: 2014-07-23
QINGDAO HANSEN BIOLOGIC SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, the harm of insect pests on crops such as rice, wheat, fruit trees, vegetables, flowers and various economic crops has become more and more serious, and due to the abuse of pesticides, pests have become more and more resistant to pesticides, resulting in pest control. Efficiency declines year by year
In addition, at present, chemical pesticides are still the main varieties in agricultural and forestry production, and many chemical pesticides remain in the environment, causing pollution to the environment. Therefore, more efficient, safer and more environmentally friendly pesticide varieties are needed

Method used

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  • Dinotefuran and etoxazole compounded insecticidal composition
  • Dinotefuran and etoxazole compounded insecticidal composition
  • Dinotefuran and etoxazole compounded insecticidal composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0091] Example 1: (50% dinotefuran · etoxazole wettable powder)

[0092] Components and content: dinotefuran, 40%; etoxazole, 10%; wetting agent sodium lauryl sulfate, 2%; dispersant calcium lignosulfonate, 8%; filler white carbon black, 18% , filler kaolin, the balance.

[0093] The preparation method of Example 1 is as follows: mix dinotefuran, etoxazole, dispersant, wetting agent and filler uniformly according to the components and weight percentages provided in the example, pulverize them with a jet mill and then mix them to obtain wettable powder. The main equipment is a mixer and a jet mill.

Embodiment 2

[0094] Example 2: (60% dinotefuran·etoxazole water dispersible granules)

[0095] Components and content: dinotefuran, 45%; etoxazole, 15%; wetting agent sodium dodecylbenzene sulfonate, 3%; dispersant, alkylnaphthalene sulfonate formaldehyde condensate, 8%; stick clay, balance.

[0096] The preparation method of the above example 2 is: according to the components and weight percentages provided in the examples, dinotefuran, etoxazole, dispersants, wetting agents and fillers are mixed evenly, pulverized by a jet mill, and then added 10- 25% water, then kneading, extrusion granulation, and drying to obtain water-dispersible granules. Or spray the pulverized powder with water in a boiling granulator, granulate, dry, and then sieve to obtain water-dispersible granules. The main equipments are mixer, jet mill, kneader, extrusion granulator, drying room or fluidized bed drying, or boiling granulator, screening machine.

Embodiment 3

[0097] Example 3: (30% dinotefuran·etoxazole aqueous emulsion)

[0098] Components and content: dinotefuran, 20%; etoxazole, 10%; solvent ethyl acetate, dosage 10%; cyclohexanone, 8%; emulsifier selected Nongru 600# phosphate and Nongru T-80 #, the dosage is 4% and 3% respectively; the thickener is xanthan gum, the dosage is 0.2%; the antifreeze ethylene glycol, the dosage is 3%; water, the balance.

[0099] The preparation method of the above-mentioned Example 3 is as follows: according to the components and weight percentages provided in the example, add dinotefuran and etoxazole to a solvent and a surfactant, add water and mix evenly, and make a water-emulsion by high-speed shearing. The main equipment is batching kettle, colloid mill or homogeneous mixer, sand mill.

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Abstract

The invention belongs to the technical field of agricultural insecticide and particularly relates to a dinotefuran and etoxazole compounded insecticidal composition. Dinotefuran and etoxazole serve as effective ingredients of the insecticidal composition and are in the weight ratio of 4: 1 to 1: 4. The insecticidal composition consists of the effective ingredients of different action mechanisms, so that the action sites are increased, the overcome and delay to the generation of insect pest pesticide resistance are favored, and the insecticidal spectrum is broadened; and the pesticide effect is greatly improved, the control effect time is long, the field dosage of the effective ingredients is reduced, the production cost and use cost are reduced, and the insecticide residue and environmental pollution are reduced.

Description

technical field [0001] The invention belongs to the technical field of agricultural insecticides, in particular to a compound insecticidal composition of dinotefuran and etoxazole. Background technique [0002] The chemical name of dinotefuran (dinotefuran) is (RS)-1-methyl-2-nitro-3-[(3-tetrahydrofuran)-methyl]guanidine, which was first developed by Japan’s Mitsui Chemicals and listed in 2002 third-generation neonicotinoid insecticides. It has a wide insecticidal spectrum and can control various pests such as Hemiptera, Lepidoptera and Hymenoptera, and has significant systemic and osmotic effects, showing insecticidal activity at very low doses. The insecticide is very safe to mammals, birds and aquatic organisms, has no phytotoxicity to crops, and can be used for pest control of many crops such as rice, fruit trees and vegetables. However, dinotefuran, like many chemical insecticides, will produce resistance to long-term, continuous and single use. Moreover, due to the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N51/00A01N43/76A01P7/04A01P7/02
Inventor 王旭刘君良李波张黎辉吴本林
Owner QINGDAO HANSEN BIOLOGIC SCI
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