室内采用孢子萌发抑制法测定菌核净、代森锰锌以及它们的复配剂 5 2 %菌核·锰锌对烟草赤星病菌的毒力 ,结果表明 ,菌核净和代森锰锌以适当的比例复配 ,可明显提高其对烟草赤星病菌孢子萌发的抑制率。计算复配剂共毒系数为 385 .0 819,表现出增效作用。田间防治试验亦表明 ,该复配剂可有效地控制赤星病的发生和危害 Indoor use of spore germination inhibition method for the determination of sclerotium net, mancozeb and their compound 5 2% sclerotium · Mn-Zn toxicity to tobacco brown spot pathogen, the results show that the sclerotium net and mancozeb with appropriate Of the ratio of compound, can significantly improve its inhibition of Alternaria solani spores germination. Calculated compound co-toxicity coefficient of 385.0819, showing a synergistic effect. Field control trials also showed that the compound can effectively control the occurrence and harm of brown spot disease