What happens if the grapes are damaged?
The first means of relieving the phytotoxicity is spraying the phytotoxic plant with water as soon as possible after spraying, and reducing the concentration of the drug to reduce the occurrence of phytotoxicity. If pesticides, herbicides, etc. are sprayed on the ground, they should be rinsed with water and washed away from pesticide residue in the soil. As a result of phytotoxicity caused by lime sulfur, spray 400-500 times vinegar on the basis of clean water. The use of dimethoate improperly produced phytotoxicity, can spray 200 times vinegar sand 1-2 times. Due to excessive use of organophosphorus, the phytotoxicity generated by the crowd can be sprayed 200 times borax 1-2 times 0.5-1% lime water, soapy water and other solutions.
Pay attention to the rational and correct use of pesticides and try to use safe pesticides. Be sure to use the concentration according to the instructions. Do not increase the concentration arbitrarily. Avoid using drugs when the temperature is too high. Do not use drugs immediately after dew or rain. Wettable powder pesticides must be diluted evenly. When adding chemical fertilizers (foliar fertilizer), chemical fertilizers must be fully dissolved and then added into the liquid, and the mixture should be thoroughly mixed and sprayed again. At the same time, we must strengthen the cultivation and management, cultivate trees, and improve the tree's resistance to drugs.
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