What are the methods to control citrus scab?

Control methods of citrus scab: ① Clear the garden in winter. Combine pruning, cut off diseased branches and leaves, sweep off fallen leaves and fruits on the ground, and burn them centrally. Then spray 1 ~ 2 Baume lime-sulfur mixture once.

② Strengthening cultivation management. Apply more organic fertilizer and pay attention to the reasonable ratio of nitrogen, phosphorus and potassium fertilizer to enhance the stress resistance of trees. When harvesting fruits, care should be taken not to damage the peel. The storage temperature should be controlled between 5 ~ 7℃, which can reduce the incidence.

③ Spray protection. Spraying once every 15 days and continuously for 2 ~ 3 times within10.5 months from flower dropping to physiological fruit dropping. Choose 1000 times of 50% carbendazim wettable powder, or 500 times of 50% thiophanate methyl wettable powder, or 0.5:100 times of Bordeaux mixture, or 600-800 times of 80% mancozeb wettable powder, or/kloc-