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Dichlorovos kadethrine compounded pesticide
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A technology of thianthrin and dichlorvos, applied in the field of pesticides, can solve the problems of pest resistance and high use cost, and achieve the effects of reducing pollution, delaying resistance and slowing insect resistance to pesticides
Inactive Publication Date: 2013-05-22
INST OF QUALITY STANDARDS & TESTING TECH FOR AGRO PROD OF SHANDONG ACADEMY OF AGRI SCI
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Problems solved by technology
[0008] The object of the present invention is to provide a compound insecticide of dichlorvos and thiamethrin in order to solve the problems of high cost of using a single agent of dichlorvos and thiamethrin and easy resistance of pests.
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Embodiment 1
[0015] Preparation of 5% dichlorvos thiamethrin EC (the weight ratio of dichlorvos original drug to thiamethrin original drug in the active pharmaceutical ingredients is 1:4):
[0018] Each component is prepared according to the following percentage by weight: dichlorvos technical: 1%; thienthrin technical: 4%; DMF 5%; Nongru 1205: 5%; Nongru 0206: 5%; a small amount of acetone (can Just dissolve thienthrin); solvent: toluene, add to 100%.
[0019] Preparation process: Dissolve thienthrin technical substance in acetone, then add dichlorvos technical substance, DMF, Nongru 1205 and Nongru 0206 in sequence, then fill it up to 100% with toluene, mix the above mixture in a volumetric flask evenly to prepare 5 % dichlorvos thienthrin EC.
Embodiment 2
[0021] Preparation of 10% Dichlorvos-Tianthrin Water Suspension Concentrate (the weight ratio of Dichlorvos original drug to Thienthrin original drug in the active pharmaceutical ingredients is 1:9):
[0024] The components were prepared according to the following weight percentages: dichlorvos technical: 1%; thienthrin technical: 9%; sodium lignosulfonate: 10.0%; OP-10: 5.0%; thickener CMC: 1.0% ; Antifoaming agent silicone: 0.01%; Antifreeze agent glycol: 8.0%; Water: add to 100%.
[0025] Preparation process: Put dichlorvos technical material, thienthrin technical material, sodium lignosulfonate, OP-10, thickener CMC, defoamer organic silicone, antifreeze agent ethylene glycol in the reaction kettle according to the above ratio , add water to 100% and mix evenly, then introduce the mixture into a sand mill and grind until the mate...
Embodiment 3
[0027] Preparation of 2% dichlorvos thiamethrin microemulsion (the weight ratio of dichlorvos to thiamethrin active drug ingredient is 1:1):
[0028] 1% of the original drug of dichlorvos, 1% of the original drug of thienthrin, 5-20% of solvent, 1-10% of co-solvent, 5-30% of emulsifier, and 100% of water.
[0029] Preparation method: Dissolve the above components in a solvent and a co-solvent, add an emulsifier and mix evenly, and finally add water under stirring to obtain a homogeneous and transparent product.
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Abstract
The invention discloses a dichlorovos kadethrine compounded pesticide, and belongs to the technical field of pesticides. The dichlorovos kadethrine compounded pesticide comprises effective active components, assistants and a solvent, wherein the effective active components comprise dichlorovos and kadethrine. The dichlorovos kadethrine compounded pesticide has the advantages that after the dichlorovos and the kadethrine are compounded, the insecticidal activity is greatly improved, the insecticidal spectrum is expanded, the pest resistance to the pesticide is slowed, and the pharmacy cost is lowered to a large extent; as two medicaments in the effective active components have the characteristics of degradation easiness, the compounded pesticide is easy to degrade in the environment, and therefore, the pollution is reduced, and the pesticide residue is reduced.
Description
technical field [0001] The invention relates to a pesticide for preventing and controlling agricultural pests, in particular to a compound pesticide whose active ingredients are dichlorvos and thiamethrin, and belongs to the technical field of pesticides. Background technique [0002] Agricultural production provides a guarantee for the basic survival of human beings. Plant protection is the most common agricultural activity in agricultural production, and spraying chemical pesticides is the fastest and most effective method of plant protection against pests, insects, and weeds. An economically effective means that is irreplaceable in the foreseeable historical period. my country's dryland crops mainly include vegetables, tea, fruit trees, cotton, corn, wheat, pasture and so on. These dryland crops will be attacked by pests such as pests and weeds to varying degrees during their growth process. In order to improve the yield and quality of crops, it is inevitable to use pest...
Claims
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Application Information
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Patent Type & Authority Applications(China)
IPC IPC(8): A01N57/12A01N53/04A01P7/04
Inventor 董崭周淼丁蕊艳汝医王文博陈子雷
Owner INST OF QUALITY STANDARDS & TESTING TECH FOR AGRO PROD OF SHANDONG ACADEMY OF AGRI SCI
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