Anthrax mainly affects the leaves, branches, flowers and fruits of lemons, with small black-brown spots at the early stage, and black-brown patches or larger spots at the later stage, which will cause leaf and fruit drop in severe cases.
In order to control lemon anthracnose, you can take the following measures: strengthen cultivation management, pay attention to drainage and irrigation, increase the application of organic fertilizers, and time to logging and pruning, to avoid the orchard depression; anthracnose and brown spot disease is usually used carbendazim, 45% misonidazole, 80% diclofenac zinc, 34% multi-antimycotic, etc. for prevention and treatment, scab disease, foot rot disease a class is usually used to peel off the diseased part, and then sprayed with 2% Chunleiomycin or 50% carbendazim for prevention and treatment. or 50% carbendazim for control.
The above is about lemon anthracnose identification and control methods, I hope it can help you.