How to remedy the phytotoxicity of fruit trees

As the fruit farmers choose pesticides improperly or use them unreasonably, causing phytotoxicity in fruit trees, the following remedies can be taken:

1. If the water spray on the tree is found early, spray the water to wash the damaged plants immediately, and dilute and wash off the pesticides adhering to the foliage and branches.

2, spray and leaf damage, can be sprayed with 50% humate (dissolved with a small amount of water) into 3000 times liquid, after 3 days the leaves will gradually turn green.

3. Timely topdressing of the fruit trees after the phytotoxicity of the fruit trees can make the damaged fruit trees recover as soon as possible. For the phytotoxicity caused by acidic pesticides, some ash and lime can be applied. For the phytotoxicity caused by alkaline pesticides, acid fertilizers such as ammonium sulfate can be applied. Regardless of the phytotoxicity, foliar application of 0.3% urea solution plus 0.2% potassium dihydrogen phosphate mixture, spraying once every 15-17 days, even spraying 2-3 times, can alleviate the phytotoxicity.

4. After cultivating the loose soil trees, it is necessary to carry out loose soil (depth 10-15 cm) on the orchard in time to enhance the recovery ability of the fruit trees themselves.

5, moderately pruned fruit trees after the phytotoxicity, it is necessary to timely and appropriate pruning, cut off the dead branches, remove the dead leaves, to prevent the spread of part of the dead or infected by the bacteria caused by disease.

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