It is necessary to eliminate the accumulation of water in the orchard and seal the orchard. Pay attention to summer trimming and improve ventilation and light transmission conditions. When the disease occurs, it is necessary to spray on the trees and under the trees at the same time. The pharmaceutical agents shall spray pesticides containing metal ions and a combination of chlorpromazine and carbendazim to control the recurrence and spread of the disease. An azole agent is not effective in this disease and should not be used.
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