Variety differences, individual differences, tree age differences, environmental factors and management factors can all be found from these aspects.

1. Cure the disease at the root, so that the tree will be strong and the disease will be less. Please refer to the management information to strengthen the management of soil, fertilizer and water.

2. Combined with plastic pruning, repair diseased branches and balance the tree potential.

3. Spraying sulfur mixture before germination has many advantages and should be adhered to. Consult your local pharmacy for other preventive drugs.

4. Focus on inspection, find and deal with it in time to avoid proliferation.

4. Reduce fruit appropriately, strengthen trees, and spray foliar fertilizer to strengthen nutrition when necessary.

5. Brush white paint before freezing and protect it.