When pruning the branches, the pruning mouth must be smooth to facilitate healing; when removing the big branches and sawing with the hands, the saw mouth should be flat, do not leave the pile, otherwise it is easy to cause the xylem of the wound to die or rot; it is forbidden to use an axe to cut large branches; After the twig wound, use a sharp knife to flatten and cut the light; a wound with a diameter of more than 1 cm should be immediately coated with a protective agent, and the wound should not be exposed to the air, so as to avoid dry cracks. The following two kinds of wound protection agents have been proved by practice and they work well. A friend of the farmers can give it a try. Rosin Tung Oil Mixture: This is an excellent disinfectant and protective agent for fruit trees. It has the characteristics of impervious to water and long effective period. Configuration method: Take 0.5 kg of tung oil and 0.6 kg of rosin. At the same time, put it in an iron pan and cook it for 15 minutes. Cattle manure lime slurry: This is a simple wound protection agent. 16 parts of cow dung, 8 parts of slaked lime, 8 parts of plant ash, and 1 part of Youhe sand can be blended with water to form a paste. When used, smear the cow's manure lime slurry on the wound with a brush, apply evenly, and apply it tightly.
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