First, spray water washing: If you find that the wrong medicine or phytotoxicity occurs, when the liquid is not completely penetrated or absorbed into the plant body, spray the water quickly, and wash away the residual liquid on the surface of the damaged plant in time. If it is caused by acidic agents, add appropriate amount of plant ash or 0.1% quicklime when spraying water; phytotoxicity caused by alkaline agents, add appropriate amount of vinegar when spraying water. At the same time of spraying water, we must pay attention to strengthen the ventilation of the greenhouse to facilitate the discharge of harmful gases.
Second, watering and detoxification: using some pesticides to root or use the herbicide caused by herbicides under the plastic film, can be properly watered to reduce the accumulation of harmful substances in the roots, but also increase the water in the cells of the plants, so that their metabolism speeds up. , reduce the relative content of harmful substances in the cells.
3. Removal of damaged branches and leaves: After the plants are exposed to phytotoxicity, the chlorotic and discolored branches and leaves should be removed in time to control the penetration and conduction of the agent in the plants.
4. Spraying reliever: Generally, spraying gibberellin solution can alleviate the phytotoxicity caused by herbicides. Spraying 0.2% of soap liquid can alleviate the phytotoxicity caused by organophosphorus pesticides. Spraying 0.5% of quicklime can alleviate copper preparations. The phytotoxicity caused by pesticides.
5. Fertilizer-promoting seedlings: For the sheds where phytotoxicity occurs, the amount of quick-acting nitrogen fertilizer or spraying foliar fertilizer can be applied in an appropriate amount to promptly rejuvenate the seedlings, reduce the degree of phytotoxicity, and restore normal growth as soon as possible.
Yangli Agricultural Technology Promotion Center Yang Li
Second, watering and detoxification: using some pesticides to root or use the herbicide caused by herbicides under the plastic film, can be properly watered to reduce the accumulation of harmful substances in the roots, but also increase the water in the cells of the plants, so that their metabolism speeds up. , reduce the relative content of harmful substances in the cells.
3. Removal of damaged branches and leaves: After the plants are exposed to phytotoxicity, the chlorotic and discolored branches and leaves should be removed in time to control the penetration and conduction of the agent in the plants.
4. Spraying reliever: Generally, spraying gibberellin solution can alleviate the phytotoxicity caused by herbicides. Spraying 0.2% of soap liquid can alleviate the phytotoxicity caused by organophosphorus pesticides. Spraying 0.5% of quicklime can alleviate copper preparations. The phytotoxicity caused by pesticides.
5. Fertilizer-promoting seedlings: For the sheds where phytotoxicity occurs, the amount of quick-acting nitrogen fertilizer or spraying foliar fertilizer can be applied in an appropriate amount to promptly rejuvenate the seedlings, reduce the degree of phytotoxicity, and restore normal growth as soon as possible.
Yangli Agricultural Technology Promotion Center Yang Li
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