Tree rot mainly harms the trunk and bifurcation. Hazard characteristics generally include foaming, discoloration, depression, soft rot, roughness, peeling, odor and so on.

Preventive and control measures:

1) Increase the application of phosphorus and potassium fertilizer and make reasonable irrigation.

2) Strengthen scientific management, prune and cut off pests and diseases, and promote the healthy growth of trees.

3) At the initial stage of the disease, apply 100-300 times of mixed agricultural streptomycin to the diseased spot. It is best to cut a few knives on the diseased spot with a knife first, and then apply the medicine to facilitate the rapid absorption of the liquid medicine. Other drugs include Tujunte and Thiol.