Synergistic compound pesticide contg. pyridaben and flucycloxuron, and its application
A technology of insecticidal composition and flufenuron, which is applied in the fields of application, insecticide, biocide, etc., can solve the problem that the insecticidal composition of pyridaben and flufenuron has not been found yet, and achieve the reduction of the amount of application in the field , Reduce environmental pollution and pesticide residues, reduce production and use costs
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[0031] Example 1:
[0032] Weigh 10 grams of pyridaben, 2 grams of flufenuron, 4 grams of calcium dodecylbenzenesulfonate, 3 grams of phenethylphenol polyoxyethylene ether, and add the remaining xylene to 100 grams. Put the above raw materials into a mixing tank according to the conventional method for preparing EC and mix to form a 12% pyridaben·chlorfluazuron EC preparation.
[0033] Indoor synergistic bioassay was carried out, and beet armyworm larvae were selected as the target pests, each treatment was repeated 3 times, and 30 heads were treated at each concentration, and the co-toxicity coefficient was calculated according to Sun Yunpei's method with LC50 value:
[0034] Concentration (μ
[0035] Regression equation: Y=4.94158+0.528111X
[0036] Lethal concentration: LC50 = 1.290102 μg / mL (95% confidence limit: 0.533609-3.89801 μg / mL)
[0037] Carry out the field efficacy test of preventing and treating beet armyworm to embodiment, contrast medicine is result...
Example Embodiment
[0041] Embodiment two.
[0042] Weigh 0.1 g of pyridaben, 0.5 g of flufenuron, 7 calcium dodecylbenzenesulfonate, 8 phenethylphenol polyoxyethylene ether, and add the remaining xylene to 100 g. Put the above raw materials into a mixing tank according to the conventional method for preparing EC and mix to form a preparation of 0.6% pyridaben·chlorfluazuron EC.
Example Embodiment
[0043] Embodiment three.
[0044] Weigh 0.1 g of pyridaben, 30 g of flufenuron, 5 g of calcium dodecylbenzenesulfonate, 5 g of phenethylphenol polyoxyethylene ether, and add the remaining xylene to 100 g. Put the above raw materials into a mixing tank according to the conventional method for preparing EC and mix to form a preparation of 30.1% pyridaben·chlorfluazuron EC.
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