发病初期或降雨前喷50%腐霉利可湿性粉剂1500倍液,或75%百菌清可湿性粉剂800倍液,或70%代森锰锌可湿性粉剂600倍液,或50%异菌脲可湿性粉剂1000~1500倍液,或10%苯醚甲环唑颗粒剂1000~1500倍液喷雾等,每隔7天喷1次,连续2~3次。
发病初期或降雨前喷50%腐霉利可湿性粉剂1500倍液,或75%百菌清可湿性粉剂800倍液,或70%代森锰锌可湿性粉剂600倍液,或50%异菌脲可湿性粉剂1000~1500倍液,或10%苯醚甲环唑颗粒剂1000~1500倍液喷雾等,每隔7天喷1次,连续2~3次。