High-efficiency novel synergistic composition for preventing and treating brown planthopper of rice
A rice brown planthopper and high-efficiency technology, applied in the field of agricultural science and technology, can solve the problems of easy generation of drug resistance, difficulty in obtaining lasting control effects, etc., and achieve the effects of delaying the resistance of pests, achieving significant control effects, and reducing the application amount.
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[0047]Example 1: In order to understand the control effect of indoxacarb·trifluoropyrimidine bucket mix on rice brown planthopper, a field experiment was carried out in the experimental demonstration area of Haohuahong Town, Huishui County in June 2019, and the experiment was used in the rice heading to grain filling period Indoxacarb and trifluorophenyl pyrimidine commercial drugs in the laboratory were subjected to tank-mix spray test
[0048]The experiment set 15% indoxacarb suspension (active ingredient dosage 67.5g a.i. / hm2), 10% trifluorophenyl pyrimidine suspension (active ingredient dosage 37.5g a.i. / hm2), indoxacarb·trifluorophenyl pyrimidine combination (active ingredient dosage 48.75ga.i. / hm2), clean water control, a total of 4 treatments, each treatment is repeated 3 times, a total of 12 plots, each plot is randomly arranged, the plot area is 30m2, Used 3WBJ-16DZ multifunctional electrostatic sprayer to spray on August 20. Before spraying and 3, 7, and 14 days after spray...
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