Insecticidal composition containing pymetrozine and nitenpyram and preparation method of insecticidal composition
A technology for an insecticidal composition and nitenpyram, which is applied in the field of insecticidal compositions containing pymetrozine and nitenpyram and their preparation, can solve the problems of easy generation of drug resistance and the like, and achieves lowering the cost of drugs for farmers and saving Effects of pesticides, delaying the development of resistance
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Embodiment 1
[0038] An insecticidal composition wettable powder containing pymetrozine and nitenpyram, which is made of the following raw materials in mass fraction:
[0039]
[0040] A method for preparing an insecticidal composition containing pymetrozine and nitenpyram, the preparation steps are:
[0041] A: According to the designed formula, weigh a certain amount of dinotefuran original drug, nitenpyram original drug, wetting agent, dispersant, other additives, and carrier samples.
[0042] B: Grind the sample finely, mix it evenly, and then pulverize it on a high-speed pulverizer (325 mesh) for 10-15 minutes, and then pulverize the sample on a jet pulverizer for 8-15 minutes.
[0043] C: The sample was taken out after 10 minutes (325 mesh), and 30% pymetrozine was obtained. Nitenpyram preparations.
Embodiment 2
[0045] A preparation method and mixing method of an insecticidal composition wettable powder containing pymetrozine and nitenpyram, which is made of the following raw materials in mass fraction:
[0046]
[0047] The preparation method is the same as in Example 1.
Embodiment 3
[0049] A preparation method and mixing method of an insecticidal composition water-dispersible granule containing pymetrozine and nitenpyram, which is made of the following raw materials in mass fraction:
[0050]
[0051] A method for preparing an insecticidal composition preparation containing pymetrozine and nitenpyrid, the steps are:
[0052] A. Weigh pymetrozine, nitenpyram, dispersant, wetting agent, filler, disintegrant, binder and other samples according to the designed formula, mix them, and pulverize them on a high-speed pulverizer;
[0053] B, the pulverized sample is placed in a beaker, and water (10-20%) containing a binder is added while stirring, which can be initially kneaded into mud, and then added to a granulator for extrusion granulation;
[0054] C. Finally, place the extruded granules in an oven at 30-40°C for drying, and the moisture content should be 0.5-1.0%.
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