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Dinotefuran/Spirotetramat compound insecticidal composition

A compound composition and insecticidal composition technology, applied in the direction of insecticides, acaricides, biocides, etc., can solve the problems of not being able to keep up with the speed of pest resistance, long development cycle, and high development cost. To achieve the effect of overcoming and insect pest resistance, long control effect time, and broadening the insecticidal spectrum

Inactive Publication Date: 2013-06-12
QINGDAO HANSEN BIOLOGIC SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the development cost of new active ingredients is high, the development cycle is long, and it can never keep up with the speed of pest resistance
Other methods, such as crop layout adjustment, rotation of different pesticides, etc., are difficult to achieve obvious effects in actual operation.

Method used

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  • Dinotefuran/Spirotetramat compound insecticidal composition
  • Dinotefuran/Spirotetramat compound insecticidal composition
  • Dinotefuran/Spirotetramat compound insecticidal composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0090] Example 1: (60% dinotefuran·spirotetramat wettable powder)

[0091] Components and content: dinotefuran, 45%; spirotetramat, 15%; calcium lignosulfonate, 8% as dispersant; sodium lauryl sulfate, 2% as wetting agent; white carbon as filler Black, 18%, kaolin, balance.

Embodiment 2

[0092] Example 2: (60% dinotefuran·spirotetramat wettable powder)

[0093] Components and content: dinotefuran, 40%; spirotetramat, 20%; calcium lignosulfonate, 8% as dispersant; sodium lauryl sulfate, 2% as wetting agent; white carbon as filler Black, 18%, kaolin, balance.

[0094] The preparation method of Example 1-2 is as follows: according to the components and weight percentages provided in the examples, dinotefuran, spirotetramat, dispersant, wetting agent and filler are mixed evenly, and then pulverized by a jet mill. Mix to make a wettable powder. The main equipment is a mixer and a jet mill.

Embodiment 3

[0095] Example 3: (50% dinotefuran·spirotetramat water dispersible granules)

[0096] Components and content: dinotefuran, 30%; spirotetramat, 20%; dispersant, alkylnaphthalene sulfonate formaldehyde condensate, 8%; wetting agent, sodium dodecylbenzenesulfonate, 3% ; Filler selection attapulgite, the balance.

[0097] The preparation method of the above-mentioned Example 3 is as follows: according to the components and weight percentages provided in the examples, dinotefuran, spirotetramat, dispersant, wetting agent and filler are mixed evenly, and after crushing by a jet mill, add 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.

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Abstract

The invention belongs to the technical field of agricultural insecticides, and particularly relates to a Dinotefuran / Spirotetramat compound insecticidal composition. The effective ingredients are Dinotefuran and Spirotetramat in a weight ratio of 3:1-1:3. The Dinotefuran / Spirotetramat compound insecticidal composition is composed of the effective ingredients with different action mechanisms, so that the action sites are increased, thereby being beneficial to overcoming and postponing the generation of insecticide resistance of insects, and widening the insecticidal spectrum; and the invention greatly enhances the insecticidal effect, has the advantages of long preventive effect time and lower consumption of effective ingredients in the field, lowers the production and use cost, and reduces the insecticide residue and environmental pollution.

Description

technical field [0001] The invention belongs to the technical field of agricultural insecticides, in particular to a compound insecticidal composition of dinotefuran and spirotetramat. 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 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N51/00A01N47/06A01P7/04A01P7/02
Inventor 王旭李波张黎辉刘君良姜红林
Owner QINGDAO HANSEN BIOLOGIC SCI
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