In the process of agricultural production management, the use of pesticides to prevent crop pests and diseases is one of the main means; when pesticides are used for a long time, it is inevitable that the phenomenon of spraying wrong pesticides will appear; measures that light pesticides affect the normal growth of crops are spotted, withered, leaf curling, Falling leaves, etc., can cause serious deaths. So, how do you deal with spraying pesticides wrong?
First, timely removal of victim leaves
What to do if you spray the wrong pesticide? Once you find that you have sprayed the wrong pesticide, take timely remedial measures. Commonly used remediation measures for spraying pesticides are the following:
After the leaves have suffered phytotoxicity, the discolored foliage should be removed in time to control the penetration of the pharmaceutical agent in the plants.
Second, spray water
After spraying the medicine or phytotoxicity, spray water quickly to wash the surface of the affected plant. Damage caused by alkaline chemicals, water can be added when the right amount of vinegar; acid medicine caused by pesticide damage, water spray can be added when the lime of 0.1%, so that can neutralize the drug to make it fail as soon as possible. At the same time, attention should be paid to ventilation in the greenhouse, and the temperature should be reduced to facilitate the emission of harmful gases.
Third, timely watering
Watering sheds can increase the cellular water content of plants, promote metabolism, and reduce the relative content of harmful substances. Watering at the same time can also dilute the harmful substances accumulated in the roots of plants.
IV Spraying Relief Agent
For example, 0.5% quicklime water can relieve the phytotoxicity caused by copper preparation; 0.2% soap solution can relieve the phytotoxicity caused by organophosphorus pesticides.
Fifth, balanced fertilization
Appropriate top-dressing quick-release compound fertilizer or foliar spray full-nutrition leaf fertilizer, promote seedling rejuvenation, improve the resistance to phytotoxicity.
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