Please state the integrated management of apple tree Valsa canker.
Please state the integrated management of apple tree Valsa canker.
发布时间：2025-03-06 08:33:04
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答案：要点：（1）Strenghten tree vigor: rational fertilization, proper irrigation, rational load, rational pruning; （2）Strengthen the cultivation management；（3）The treatment of disease spot （4）Spraying fungicide.
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