1. Strengthen the management of tree and tree management trees includes timely fruit thinning, yield control, foliar spraying, etc.; management under the tree includes increasing organic fertilizer, improving soil fertility, timely irrigation, etc., to enhance the tree's own disease resistance. .
2, timely removal of diseased litter, severe disease of the trunk, tumor removal after the removal of stone sulphur agent.
3, prevention and treatment of stem ring rot disease in the "May 1" about the first time after the rain, the use of prevention and treatment of ringworm disease spray control, you can receive a multiplier effect, but also to protect tree vigor.
4, control of fruit ringworm disease bagging apple before spraying bagging, spray a fungicide to prevent ringworm disease, non-bagging apples in the middle of July using fungicides, spray control 3 times (spray once every 15 days) 5 days before fruit picking again spray control once (bagging fruit to remove the fruit bag), the control effect can reach more than 90%.
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