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Compound insecticidal composition of dihalogenated pyrazole amide and tolfenpyrad

The technology of a dihalogenated pyrazole amide and an insecticidal composition is applied in the field of compound insecticidal compositions of dihalogenated pyrazole amide and pyrazolamide, which can solve the problems of the generation of pest resistance and the like, and achieves improved efficacy, Site of action enhancement, overcoming and efficacy of pest resistance

Active Publication Date: 2015-12-02
QINGDAO HANSEN BIOLOGIC SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the actual process of agricultural production, the application of chemical agents is the most effective means of controlling plant diseases and insect pests, but the most likely problem caused by chemical control of pests is the emergence of pest resistance

Method used

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  • Compound insecticidal composition of dihalogenated pyrazole amide and tolfenpyrad
  • Compound insecticidal composition of dihalogenated pyrazole amide and tolfenpyrad
  • Compound insecticidal composition of dihalogenated pyrazole amide and tolfenpyrad

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0089] Example 1: (30% Dihalogenated Pyrazolamide Fenpyramid Aqueous Suspension Concentrate) 1:5

[0090] Components and content: Dihalogenated pyrazole amide, 5.0%; Tofafenpyramide, 25.0%; Emulsifier Nongru NP-10, 2%; Dispersant polycarboxylate, 3%; Thickener is xanthan gum and magnesium aluminum silicate, the dosages are 0.1% and 2% respectively; antifreeze ethylene glycol, 5%; defoamer silicone compounds, 0.2%; water, the balance.

Embodiment 2

[0091] Example 2: (50% Dihalogenated Pyrazolamide Fenpyramid Aqueous Suspension Concentrate) 1:4

[0092] Components and content: dihalogenated pyrazole amide, 10.0%; tonamiprole, 40.0%; emulsifier Nongru NP, 10, 2%; dispersant polycarboxylate, 3%; thickener selected xanthan gum and magnesium aluminum silicate, the dosages are 0.1% and 2% respectively; antifreeze ethylene glycol, 5%; defoamer silicone compounds, 0.2%; water, the balance.

[0093] The preparation method of the above-mentioned examples 1-2 is as follows: according to the components and weight percentages provided in the examples, place dihalogenated pyrazole amide, tofenpyramide, surfactants and other functional additives in the reaction kettle in sequence , add water and mix evenly, undergo high-speed shearing, wet sanding, and finally homogeneously filter to obtain the water suspension. The main equipment is batching kettle, colloid mill or homogeneous mixer, sand mill.

Embodiment 3

[0094] Example 3: (70% Dihalogenated Pyrazolamide Fenpyramid Water Dispersible Granules) 1:6

[0095] Components and content: dihalogenated pyrazole amide, 10%; tonamiprole, 60%; wetting agent sodium dodecylbenzene sulfonate, 3%; dispersing agent alkylnaphthalene sulfonate formaldehyde condensate, 8% ; Filler attapulgite, the balance.

[0096] The preparation method of the above-mentioned Example 3 is: according to the components and their weight percentages provided in the example, the dihalogenated pyrazole amide, tolfenpyrad, dispersant, wetting agent and filler are mixed evenly, and after being pulverized by a jet mill Add 10-25% of water, knead, extrude, granulate, and dry 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 granulat...

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Abstract

The invention belongs to the technical field of agricultural insecticides and in particular relates to a dihalopyrazole amide and tolfenpyrad compound insecticidal composition. The active ingredients of the insecticidal composition are dihalopyrazole amide and tolfenpyrad in a weight ratio of 1 to (4-7), preferably 1 to 5. The insecticidal composition has the beneficial effects that the insecticidal composition is formed by the active ingredients with different mechanisms of action and the action sites are increased, so that the insecticidal composition is conducive to overcoming and delaying the drug resistance of insect pests and widening the insecticidal spectrums; the efficacy is substantially improved, the control effect duration is long, and the use quantities of the active ingredients in the fields are reduced, thus reducing the production and use costs and reducing the pesticide residues 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 dihalogenated pyrazole amide and tolfenpyrad. Background technique [0002] Dihalogenated pyrazole amide is a derivative of Kangkuan, which belongs to the 3-halogenated ethoxypyrazole amide compound, which can efficiently activate the ryanodine receptor in insect cells and bind to it, causing the receptor channel to be abnormal Open for a long time, thereby excessively releasing calcium ions in the cells, causing insect muscle paralysis, and finally paralysis and death. Its structure is shown in general formula I: In the formula: R1 is selected from CH3, Cl or Br; R2 is selected from Cl or Br; R3 is selected from CH3, CH(CH3)2, CH2C≡CH. According to the field efficacy, the dihalogenated pyrazole amide has a significant control effect on pests such as rice borer, rice leaf roller, diamondback moth, cotton bollworm, cabbage ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/56A01P7/02A01P7/04
Inventor 李波吴本林高乾奎任西财王宏年
Owner QINGDAO HANSEN BIOLOGIC SCI
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