Synergistic acaricidal composition and its application
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A technology of composition and acaricide, applied in the direction of acaricide, application, biocide, etc., can solve the problems of rapid development of resistance, achieve excellent control effect, reduce the amount of pesticides, and reduce the effect of environmental pollution
Active Publication Date: 2020-09-11
ZHEJIANG FORESTRY UNIVERSITY
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In recent years, although new acaricides have been developed and produced (such as spirodiclofen, cyflufenofen, etc.), because mites are easily resistant to pests, long-term use of a single acaricide variety is likely to cause Rapid development of resistance necessitates alternate use of acaricides with different mechanisms of action
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preparation example Construction
[0053] 2. Preparation of the composition
[0054] The percentages in the proportioning ratio of all preparations in the invention are percentages by mass.
[0055] One), the preparation of emulsifiable oil:
[0056] According to the formula requirements, add the solvent, the original drug and the emulsifier respectively, mix evenly, and if necessary, heat and dissolve in a water bath to obtain a transparent emulsifiable oil.
Embodiment 110
[0057] Example 1 10% emulsifiable concentrate
[0058] Asvermectin 5%, fenpyrafen 5%, Nongru 0203B 6%, Nongru 0201B 9%, cyclohexanone 8%, mineral spirits 150 to make up to 100%.
Embodiment 2
[0059] Example 2 20% emulsifiable concentrate
[0060] 15% asvermectin, 5% pyraclofen, 6% Nongru 2201#, 8% Nongru 0201B, 8% cyclohexanone, and 150 solvent naphtha to make up to 100%.
[0061] Two), the preparation of wettable powder
[0062] According to the requirements of the formula, the original drug, various additives and fillers are fully mixed, and the processed product is obtained after being pulverized by an ultra-fine pulverizer.
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Abstract
The invention discloses a synergistic acaricidal composition. The synergistic acaricidal composition is prepared from tenvermectin and cyenopyrafen, and the mass ratio of the tenvermectin to cyenopyrafen is (1 to 50) to (50 to 1). The invention also provides an acaricide prepared by using the synergistic acaricidal composition, wherein the acaricide contains the synergistic acaricidal composition with a mass percentage being more than or equal to 0.1%. The invention also provides application of the synergistic acaricidal composition to the prevention and control of agricultural mites.
Description
technical field [0001] The invention relates to an acaricidal composition, in particular to a synergistic acaricidal composition containing asvermectin and pyrazafen and its application. Background technique [0002] Tenvermectin (tenvermectin) is a new type of insecticidal and acaricidal compounds of biological origin, which belongs to macrolides, and has the characteristics of broad spectrum, high efficiency, low toxicity, small dose, and safe use. Asvermectin has a good control effect on Lepidoptera pests on fruit trees and vegetables, such as leafminer, diamondback moth, cotton bollworm and mites such as spider mites and panonychia. [0003] Cyenopymfen (cyenopymfen) is a new type of pyrazole acaricide developed by Nissan Chemical Company. Its mechanism of action is novel. Enzymes, inhibit the normal function of mitochondria, to achieve the role of prevention and treatment. It has no cross-resistance with the acaricides used today, and can effectively control various p...
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Application Information
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