Compound insecticidal composition and application thereof
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An insecticidal composition, a technology of fluoropyranone, applied in the application, insecticide, biocide and other directions, can solve the problems of not keeping up with the speed of pest resistance, easy to produce phytotoxicity and drug resistance, aggravating environmental pollution, etc. , to achieve the effect of overcoming and pest resistance, obvious synergistic effect, and reducing the number of eggs laid
Inactive Publication Date: 2019-07-19
QINGDAO DONGSHENG PHARMA
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[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 agri
Method used
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Embodiment 1
[0048] Example 1: (16.5% Flupyrfurone-Spirofen Emulsion in Water) 10:1
[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 and spiromethin, emulsifier, solvent, and cosolvent are dissolved into an oil phase, and water, antifreeze, and 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 Spiromethin wettable powder) 5:1
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Abstract
The invention provides a compound insecticidal composition and the application thereof, belongs to the technical field of agricultural insecticides and particularly relates to an insecticidal composition which has the effective components of flupyradifurone and spiromesifen. The insecticidal composition contains auxiliary components; the effective components are the flupyradifurone and the spiromesifen; the weight ratio of the flupyradifurone to the spiromesifen is 1 to 0.1-10. The compound insecticidal composition disclosed by the invention has significant control and outstanding effects on piercing-sucking mouthpart pests in crops, such as aphid, bemisia tabaci, trialeurodes vaporariorum, nilaparvata lugens, thrips, leaf hoppers, icerya purchasis, wood louses, diaphorina citris and weevil. The compound insecticidal composition disclosed by the invention expands the insecticidal spectrum, has obvious synergistic and permeable effects and is effective for hidden pests; the field dosageof the effective components is decreased, pesticide residues and environmental pollution are reduced and good crop safety is realized; the compound insecticidal composition is prepared from the effective components with different action mechanisms, so that acting sites are increased and the emergence of pest resistance to insecticide is favorably overcome and delayed.
Description
technical field [0001] The invention belongs to the field of agricultural insecticides, in particular to a compound insecticide 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 obvious results ...
Claims
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Application Information
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