Cotton medicine damage recovery

Most chemical agents that are rinsed are not washable. If they are found to be improperly treated, they can be immediately filled with water to spray the stems and leaves repeatedly to wash away the residual agent on the surface of the cotton plant to reduce the phytotoxicity. When washing, the sprayer The pressure should be sufficient and the amount of water sprayed should be large. For the phytotoxicity caused by the cotton field and some herbicides that are applied with soil, the soil can be immediately irrigated and the residual pesticides poured into the deep layer of the soil.

Supplementing fertilizers generally produce phytotoxicity such as leaf spot, leaf margin scorch, and plant yellowing. The application of fertilizers or foliar spray of green wind 95, Gao Meishi, plant power 2003, Tianda 2116, etc. Reduce the extent of injury. For example, if 2,4-D butyl ester is harmful to cotton seedlings, appropriate amount of available nitrogen fertilizer can be traced to restore the normal growth and development of the cotton plant as soon as possible.

Chemical control of some herbicides, plant growth regulators caused by phytotoxicity, targeted spraying of plant growth regulators can be targeted. If the cotton seedlings are damaged by 2,4-D, spraying with 3010-6 to 5010-6 gibberellin solution will obviously promote the growth of the plants; when the cotton is damaged by chlormechanin, spray 920 solution. , can ease the injury.

After the occurrence of phytotoxicity in cotton, prompt removal of chlorotic and metamorphosed foliage can reduce the penetration and transmission of pesticides in the plant; timely cultivating loose soil and appropriate application of phosphorus and potassium fertilizer can promote root development and increase the resistance of cotton plants. .

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