Rainy season application
(1) Selecting pesticides with strong systemic absorption, such as dimethoate, monocrotophos, carbendazim, thiophanate, triadimefon, and kekening, and other fungicides. After 5 hours of application of such pesticides, more than 80% of the effective pesticides have been absorbed into the tissues by the crops.
(2) The selection of quick-acting pesticides, such as dichlorvos, omethoate, anti-polysaccharide, poisonous killing, pyrethroid pesticides, etc., has a strong contact effect and knocks down the country. It acts quickly after spraying and is less affected by rain.
(3) Selecting rain-tolerant pesticides, such as Jinggangmycin, Tricyclazole, and Scopolamine, and it has certain control effects when it is raining after application.
Second, change the application method (A) change the emulsion as a powder. When continuous rainy or rainy intervals are short, use powder to control.
(2) Changing the concentration of the drug. If you need to spray in the light rain, the water consumption can be 80% of the original, or increase the dosage and increase the concentration of the liquid.
(3) Change the spray to poison the soil. The systemic insecticide and the fine soil are mixed and applied to the roots of the crops, and the roots are absorbed to spread the whole plant to achieve the control effect.
Third, the drug solution plus adhesive In the liquid solution, add detergent, soy flour, skin glue and other adhesives to enhance the adhesion of pesticides on crops. IV. Application of pesticides in rain intervals The application of pesticides in rain intervals is the key to controlling crop diseases and insect pests during the rainy season. When spraying, you must pay attention to the dynamics of the weather and rush to spray at the rain interval.
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