How to deal with frozen apple trees

1. For the trees whose trunks are completely frozen and whose roots are intact, the ground parts may be sawed off. In the third year of April and the following year, they were grafted again using splicing or subcutaneous grafting. If the trunk of the sapling is chilled, the saplings can be re-emerged, leaving a robust sprout and reculturing the tree.

2. The tree trunk covers more than half of the trees and is bridged on the frozen side. Serious damage must be re-grafted.

3. The lighter victim tree, before germination, spray 100 times more effective rot to prevent rot. After germination, the frozen bark was scraped off and coated with 843 rehabilitant or rot star liquid. During the growth period, the agents for treating rot diseases, such as 9281 and tebuconazole, are used to sterilize the branches once every two weeks. 7 to 10 days after the leaf is sprayed, a small amount of urea is added to the vital acid, and sprayed for 4 to 5 times. During pruning, in addition to cutting the frozen dead sticks, try to reduce the wounds. With the principle of light shearing, put some of the branches slowly, and retract the extended branches to get out of the Wang branch.

4. The bud victim. The top buds and lateral buds were all frozen. To increase the amount of fertilizer, timely water supply, promote the germination of buds and buds, and re-cultivation of sticks.

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