How do you control algal leaf spot on longan trees?
How do you control longan algal leaf spot? Please provide methods. Methods for controlling longan algal leaf spot: 1. Strengthen cultivation management. Improve the environmental conditions of the orchard, especially ensure good ventilation and light penetration, pay attention to preventing waterlogging and drought, apply more organic fertilizer, and apply more phosphorus and potassium fertilizer to strengthen the tree vigor and improve disease resistance. Remove diseased leaves, gather...
How do you control longan algal leaf spot? Please provide methods.
Methods for controlling longan algal leaf spot:
1. Strengthen cultivation management. Improve the environmental conditions of the orchard, especially ensure good ventilation and light penetration, pay attention to preventing waterlogging and drought, apply more organic fertilizer, and apply more phosphorus and potassium fertilizer to strengthen the tree vigor and improve disease resistance. Remove diseased leaves and burn them in a centralized manner to reduce sources of infection.
2. Chemical control. In severely affected orchards, spray 0.5% lime equivalent Bordeaux mixture 1 to 2 times during the disease period.
Click to get more longan cultivation techniques
Click to get more fruit cultivation techniques