Sugar orange planting technology: how to treat sugar orange tree gum disease?

How to treat the gum disease of sugar orange tree? Please introduce the control methods: (1) strengthen cultivation and management: increase the application of organic fertilizer and acid soil in orchards, 70-100 kg lime per mu or 0.25 kg superphosphate per adult tree to neutralize soil acidity. Scientific irrigation, do not let stagnant water, in order to improve disease resistance. (2) Protection of branches and trunks: pay attention to prevent mechanical damage and frostbite in field work, and the cut should be smooth when pruning. Pay attention to the prevention and control of diseases and insect pests, especially longicorn beetles and gibberries, to reduce school dry wounds and reduce the invasion of germs. (3) scrape off the disease department: in late winter and early spring, before the fruit trees germinate, check the fruit trees and the branches with gum disease, scrape off the gel with a knife, and then brush the wound with stone sulfur mixture dregs or 1:1:10 Bordeaux pulp or 40% formai arsine 50 times or 1:4 pure alkali water, etc., to control the expansion of the disease department. (4) spray protection: during the peak period of new shoot growth, spray lmer twice with 40% formearsine 600800 times or 50% carbendazim or 1000 times methyl topiramate, once every 15 days. Strong wind and rain can easily cause branches to be broken, so after each storm, spray 70% dimethazone 600-800 times in time, which can reduce wound infection. Click to get more sugar orange planting techniques click to get more fruit planting techniques