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Agricultural compound insecticidal composition and application thereof

An insecticidal composition and technology of pyrimidine, applied in the field of agricultural compound insecticidal compositions, can solve the problems of easy generation of phytotoxicity and drug resistance, unable to keep up with the speed of pest resistance, aggravating environmental pollution, etc. Pest resistance, obvious synergistic effect, and the effect of reducing the number of eggs laid

Inactive Publication Date: 2019-07-19
QINGDAO DONGSHENG PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the changes in farming systems and the increase in the use of pesticides in large quantities, pesticides with a single active component have narrow insecticidal range, poor control effect, large application dose, easy to produce phytotoxicity and resistance, frequent application, and aggravated Environmental pollution and many other disadvantages
For the prevention and control of resistant pests in agriculture, one way is to introduce new ingredients that are not mutually resistant to existing ones, but the development of new active ingredients is costly and takes a long time to develop, and they can never keep up with the pests Generated resistance speed
Other methods, such as crop layout adjustment, rotation of different pesticides, etc., are difficult to achieve obvious effects in the actual operation process.

Method used

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  • Agricultural compound insecticidal composition and application thereof
  • Agricultural compound insecticidal composition and application thereof
  • Agricultural compound insecticidal composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Example 1: (16.5% Flupirfuranone-Pyrimimethan aqueous emulsion) 10:1

[0049] Formula: Flupyrfuranone, 15%; Pyrazan, 1.5%; Emulsifier Nongru NP-10, 3%; Castor oil polyoxyethylene ether, 2%; Phenylphenol polyoxyethylene ether phosphate, 2% ; Ethyl acetate, 15%; Cyclohexanone, 5%; Glacial acetic acid 5%; Antifreeze agent ethylene glycol, 5%; Defoamer silicone compounds, 0.2%;

Embodiment 2

[0050] Example 2: (24% Flupyrfurone · Pyrimidan aqueous emulsion) 7:1

[0051] Formula: Flupyrfuranone, 21%; Pyrazan, 3%; Emulsifier Nongru NP-10, 3%; Castor oil polyoxyethylene ether, 2%; Phenylphenol polyoxyethylene ether phosphate, 2% ; Ethyl acetate, 15%; Cyclohexanone, 5%; Glacial acetic acid 5%; Antifreeze agent ethylene glycol, 5%; Defoamer silicone compounds, 0.2%;

[0052] Embodiments 1 and 2 are emulsions in water, and the preparation method is as follows: according to the formula ratio, the active ingredients flurpirfurone, pyrimethanil, emulsifier, solvent, and cosolvent are dissolved into an oil phase, and water, antifreeze, preservative, Thickener and other ingredients are mixed evenly as the water phase; the oil phase is added dropwise to the water phase while shearing at high speed in the reactor, and sheared for a period of time to form a stable oil-in-water emulsion.

Embodiment 3

[0053] Example 3: (66% flupyrfurone · pyrimethanil wettable powder) 5:1

[0054] Formulation: Flupyrfuranone, 55%; Pyrazan, 11%; Wetting agent sodium lauryl sulfate, 2%; Dispersant calcium lignosulfonate, 8%; Filler white carbon black, 18%, filler Kaolin, balance.

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Abstract

The invention provides an agricultural compound insecticidal composition and an application of the agricultural compound insecticidal composition, belongs to the technical field of agricultural insecticides, and particularly relates to an insecticidal composition taking flupyradifurone and flufenerim as active ingredients. The insecticidal composition comprises the active ingredients and auxiliaryingredients, wherein the active ingredients are flupyradifurone and flufenerim at a weight ratio of 1:(0.1-10). The composition has a significant prevention and control effect on pests with piercing-sucking mouthparts on crops, such as diamondback moths, prodenia litura, etiella zinckenella, aphids, scale insects, mealybugs, myzus persicae and cotton aphids. The composition enlarges an insecticidal spectrum, has an obvious synergetic effect and a permeation effect, and is effective to concealed pests; field dosage of the active ingredients is reduced; production and use cost is lowered; insecticide residue and environmental pollution are reduced; the composition has good safety to the crops and comprises the active ingredients with different mechanisms of action; the number of acting sites is increased; and overcoming and retardance of insecticide resistance of the pests are facilitated.

Description

technical field [0001] The invention belongs to the field of agricultural insecticides, in particular to an agricultural compound insecticidal composition and its application. Background technique [0002] With the change of farming system and the increase of large-scale use of pesticides, insecticide varieties with single active components have narrow insecticidal range, poor control effect, large application dose, easy to produce phytotoxicity and resistance, frequent application, and aggravated Environmental pollution and many other disadvantages. For the prevention and control of resistant pests in agriculture, one way is to introduce new ingredients that are not mutually resistant to existing ones, but the development cost of new active ingredients is high, the development cycle is long, and they can never keep up with the pests Generated resistance speed. Other methods, such as crop layout adjustment, rotation of different pesticides, etc., are difficult to achieve o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/54A01N43/40A01P7/04A01P7/02
CPCA01N43/40A01N43/54
Inventor 李慧明王旭刘君良张永芝刘庆顺
Owner QINGDAO DONGSHENG PHARMA
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