The latest treatment of Drug damage to Fruit trees
irrigation and spraying
If it occurs early, the affected plants should be sprayed immediately. If it is caused by soil application of carbofuran granules and other internal absorption chemicals, irrigation and washing measures should be taken in time, that is, flood irrigation of orchard surface first, and then irrigation of running horse water.
spray neutralization
If the phytotoxicity caused by leaf whitening, available granular 50% sodium humate (first dissolved with a small amount of water), prepared into 3000 times solution for foliar spraying, or prepared into 5000 times solution for irrigation, 3 ~5 days later, the leaves will gradually turn green; such as due to copper sulfate in Bordeaux solution caused by phytotoxicity, can spray 400~500 times of rice vinegar; improper use of dimethoate caused by phytotoxicity, can spray 200 times Borax solution 1~2 times; If the wrong use or excessive use of organophosphorus, pyrethroids, carbamates and other pesticides caused by phytotoxicity, can spray 0.5%~1% lime water, washing powder solution for detoxification.
timely topdressing
After the fruit trees suffer from phytotoxicity, the growth is weak, and 0.3% urea solution +0.2% potassium dihydrogen phosphate solution can be sprayed on the leaves, once every 15~17 days, and continuously sprayed for 2~3 times.
soil loosening
To carry out in time to the garden tillage loose soil, the depth of 10~15 cm. Artificial cultivation of the roots and application of phosphorus and potassium fertilizer to promote root development and enhance the recovery ability and virus resistance of fruit trees.
Moderate pruning
Cut off dead branches.
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