In summer, frequent rainfall, in order to avoid the loss of efficacy caused by rain, the choice of pesticides with waterproof function is the best choice, but there are not many pesticides with waterproof function on the market, what should we do? China Pesticide Network helps you solve the problem .

At present, there are not many pesticides with strong "waterproof" function, but it can avoid the loss of efficacy caused by rain by selecting systemic, quick-acting, rain-tolerant pesticides and some microbial pesticides on rainy days.

Systemic pesticides can enter the plant through the roots, stems, leaves and other parts of the crop, and transport to other parts, which will work in a short period of time. For example, carbendazim, triadimefon, leaf cumin, triadimefon, thiophanate, omethoate, beta-cypermethrin and other bactericidal insecticides, 80% of the active ingredients are absorbed into the tissues by the crops 4 to 5 hours after application. Less loss of medicinal properties due to rain washing.

Fast-acting insecticides such as dichlorvos pesticides, Sumicidin, monocrotophos, fenitrothion, Decis, Kuaishaling, metolcarb, pirimicarb, pyrethroids, etc., having a strong tag And the poisoning effect, the application is short for 1 to 2 hours, and the longest is 4 to 5 hours to kill the pests, which is less affected by the rainy season.

Among the fungicides, Jinggangmycin, Herbicide, Tricyclazole, and Scopolamine have good rain resistance. Even after showering for 1 to 5 hours, they will not be washed and affect the efficacy.

The commonly used microbial pesticides such as Jinggangmycin, Chunleimycin and Beauveria bassiana are more conducive to the germination and reproduction of sporophytes under high humidity conditions. The application of such pesticides in rainy days can fully exert their bactericidal and insecticidal effects.

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