Pesticide preparation for preventing pest erythrina gall wasp
A technology of Erythrina chinensis and pesticide preparations, applied in the direction of insecticides, biocides, animal repellents, etc., can solve problems that cannot be cured, people's life safety and property threats, etc., and achieve low price and low cost The effect of drug resistance and synergistic effect is obvious
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Embodiment 1
[0044] Example 1: Composition and preparation method of 25.0% Quetiafos Thiamethoxam EC
[0045] The weight percent (%) of each active ingredient of the main agent of this example is: Quetiafos 20.0, Thiamethoxam 5.0;
[0046] The weight percent (%) of each component of auxiliary agent is: solvent, xylene 57.0, methanol 5.0; Cosolvent, cyclohexanone 0.1; Emulsifier, dibenzylphenol polyoxyethylene ether 7.9, Tween-40 4.0; Stabilizer, Pyrogallic acid 0.5, castor oil 0.5;
[0047] After the above-mentioned weight ratio raw materials are mixed, the insecticide emulsifiable concentrate is made by the traditional emulsifiable concentrate processing method.
Embodiment 2
[0048] Embodiment 2: Composition and preparation method of 25.0% Quetiafos Thiamethoxam microemulsion
[0049] The weight percent (%) of each active ingredient of the main agent of this example is: Quetiafos 20.0, Thiamethoxam 5.0;
[0050] The weight percentage (%) of each component of the auxiliary agent is: emulsifier, tristyrylphenol oxiraneated triethanolamine phosphate salt 70.0; solvent, dimethylformamide 1.0, pyrrolidone 1.0; stabilizer, pyrogallic acid 1.0 ; Antifreeze, ethylene glycol 0.5, glycerin 0.5; water 1.0;
[0051] The traditional microemulsion processing method is used to make insecticide microemulsion after mixing the raw materials in the above weight ratio.
Embodiment 3
[0052] Example 3: Composition and preparation method of 25.0% Quetiafos Thiamethoxam aqueous emulsion
[0053] The weight percent (%) of each active ingredient of the main agent of this example is: Quetiafos 20.0, Thiamethoxam 5.0;
[0054] The weight percentage (%) of each component of the auxiliary agent is: solvent, xylene 30.0, N-long chain alkylpyrrolidone 30.0; emulsifier, 2,4,6-tris(1-phenylethyl)phenol poly(20) ethylene glycol Alcohol phosphate monoester 4.0; dispersant, polyvinyl alcohol 0.2; antifreeze agent, glycerin 0.1; water 10.7;
[0055] After mixing the raw materials in the above weight ratio, the insecticide emulsion in water is prepared by the traditional emulsion-in-water processing method. Example 4: 25.0% Quetiafos Thiamethoxam smear composition and preparation method
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