Spraying pesticides in summer诀窍

Hot and rainy summer is the prosperous period of crop pests and diseases. In this period, if you can master the following application, you can achieve twice the result with half the effort.
First, master the choice of pesticides 1. Select pesticides with strong systemic properties such as dimethoate, carbendazim, thiophanate, triadimefon, kekening and other insecticides and fungicides. After being absorbed by the crop, these pesticides can be transported to the crop periphery. After 5 hours of application, more than 80% of the active ingredient of the pesticide has been absorbed into the tissues by the crop.
2. Select quick-acting pesticides such as dichlorvos, anti-smuggling, enemy killing, pyrethroids and other pesticides, which have strong contact and poisoning effects, strong knockdown force, and play a role soon after spraying, affected by the rainy season. small.
3. Select rain-tolerant pesticides such as tricyclazole, scopolamine, etc., and it will have some control effect when it is raining after application.
Second, change the application method 1. Change the emulsion to powder. Continuous rain or rain gap is short, change powder control.
2. Change the concentration of the drug If you need to spray in the light rain, the water consumption can be 80% of the original amount, or increase the dosage and increase the concentration of the liquid.
3. Change the spraying to the toxic soil. Mix the systemic insecticide with the fine soil and apply it to the mud layer near the root of the crop, let the roots absorb and 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 increase the adhesion of pesticides on crops.
IV. Application of pesticides in the rainy season The application of pesticides in the rain gap is the key to control crop pests and diseases in the rainy season. When spraying, you must pay attention to the dynamics of the weather and rush to spray in the gap after the rain.
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