发现病苗立即拔除,并喷洒25%甲霜灵可湿性粉剂800倍液,或64%杀毒矾可湿性粉剂500倍液,或75%百菌清可湿性粉剂600倍液,或40%乙磷铝可湿性粉剂200倍液,或70%百德富可湿性粉剂600倍液,或70%安泰生可湿性粉剂500倍液,或69%安克锰锌1000倍液,或72.2%普力克水剂400倍液,或70%代森锰锌可湿性粉剂500倍液,或15%恶霉灵(土菌消、土壤散)水剂1000倍液等药剂,每平方米苗床用配好的药液2-3升,每7-10天喷1次,连喷2-3次。
发现病苗立即拔除,并喷洒25%甲霜灵可湿性粉剂800倍液,或64%杀毒矾可湿性粉剂500倍液,或75%百菌清可湿性粉剂600倍液,或40%乙磷铝可湿性粉剂200倍液,或70%百德富可湿性粉剂600倍液,或70%安泰生可湿性粉剂500倍液,或69%安克锰锌1000倍液,或72.2%普力克水剂400倍液,或70%代森锰锌可湿性粉剂500倍液,或15%恶霉灵(土菌消、土壤散)水剂1000倍液等药剂,每平方米苗床用配好的药液2-3升,每7-10天喷1次,连喷2-3次。