Pesticide for killing piercing-sucking type insects and preparation thereof
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A piercing-sucking pesticide technology, applied in the field of pesticides, can solve the problems of pest resistance, single effect, and poor effect, and achieve the effects of reducing pollution, long-lasting effect, and excellent effect
Inactive Publication Date: 2013-11-13
陕西康禾立丰生物科技药业有限公司
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Problems solved by technology
[0003] In terms of edible crops, most of the current pesticides for piercing-sucking pests cannot meet the national requirements for residues, causin...
Method used
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Embodiment 1
[0019] Proportion and production process of 60% dinotefuran water dispersible granule
[0020] The following ingredients are included in terms of weight percentage: dinotefuran 60%, dispersant (sodium methylene bis-naphthalene sulfonate) 12%, wetting agent (sodium dodecyl sulfonate) 8%, disintegrant (ammonium sulfate) 8%, binder (xanthan gum) 5%, filler (kaolin) to make up.
[0021] Mix dinotefuran with dispersant, wetting agent, disintegrating agent, filler, etc., and jet mill to obtain a particle size of about 500 mesh, then add binder and mix to obtain granulation material. Quantitatively send the material into the fluidized bed granulation dryer for granulation and drying to obtain 60% dinotefuran water-dispersible granules. After the analysis is qualified, the whole production process will be completed by packaging.
Embodiment 2
[0023] The formula and process of 30% dinotefuran suspension concentrate are as follows
[0024] The following ingredients are included in terms of weight percentage: dinotefuran 30%, dispersant (sodium methylene bis-naphthalene sulfonate) 4%, wetting agent (sodium dodecyl sulfonate) 3%, defoamer (organic silicon) 0.3%, thickener (xanthan gum) 1%, antifreeze (ethylene glycol) 1%, deionized water balance.
[0025] Mix the dispersant, wetting agent, defoamer, thickener, and antifreeze in the above formula evenly through high-speed shearing, add dinotefuran, and mill in a ball mill for 2 to 3 hours, so that the particle size of all particles is below 5 μm , the product of dinotefuran suspension concentrate is obtained, and the whole production process is completed after the analysis is qualified and subpackaged.
Embodiment 3
[0027] Formula and process of 50% dinotefuran soluble liquid
[0028] In terms of weight percentage: dinotefuran 50%, use N,N-dimethylformamide (DMF) as a solvent to make up the balance, and mix and stir the two for 30-60 minutes. Ready-made dinotefuran 50% soluble liquid
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Abstract
The invention provides a pesticide for killing piercing-sucking type insects. The pesticide comprises dinotefuran with the mass percentage of 1%-80%, and a pesticide-acceptable addition agent combination, or comprises an effective component A and an effective component B with the mass ratio in a range from 80:1 to 1:80, and a pesticide-acceptable addition agent combination, wherein the effective component A is dinotefuran, and the effective component B is one of indoxacarb, chlorfenapyr and pymetrozine. The invention further provides a method for preparing the pesticide into soluble liquid, wettable powder, a water dispersible granule product and a suspension agent product. According to the pesticide disclosed by the invention, the dinotefuran is mainly applied to internal suction and penetration of insects, the lasting period is long and the generation of drug resistance can be retarded; the pesticide has an excellent effect for preventing and treating insects; meanwhile, the pollution to the environment is alleviated and an insecticidal spectrum can be expanded. The pesticide disclosed by the invention has excellent effects on prevention and treatment of various piercing-sucking type insects including thrips, plant hoppers, leafhoppers, aleyrodid, aphids, scale insects, tea lesser leafhoppers and the like.
Description
technical field [0001] The invention belongs to the technical field of pesticides, in particular to a pesticide for killing piercing-sucking pests and its preparation. Background technique [0002] Piercing-sucking pests are a relatively large group of garden plant pests. They are small, and the damage is not obvious at the early stage of occurrence, and they are easily overlooked by people. However, they are extremely numerous. They often live in groups on twigs, leaves, buds, flower buds, and fruits, absorbing plant juices, plundering their nutrients, and causing branches, leaves, and flowers to curl. , or even wither or die. At the same time, it induces soot pollution, and sometimes the pests themselves are the vectors of viral diseases. Common such as mosquitoes, flies, thrips, aphids, planthoppers, whiteflies, leafhoppers and so on. [0003] In terms of edible crops, most of the current pesticides for piercing-sucking pests cannot meet the national requirements for r...
Claims
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Application Information
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