【摘要】 玉米弯孢菌叶斑病是近几年我国玉米生产上发生的一种新病害。本文通过对不同地区病叶标样的病原菌分离与鉴定及病原菌致病力测定,初步明确了新月弯孢菌Curvularialunata(Wakker)Boed是黑龙江省玉米弯孢菌叶斑病的主要致病菌。田间症状观察结果表明,不同玉米品种上症状表现有明显差异,根据病斑大小、形状、颜色将病斑分为抗病型(R)、感病型(S)和中间型(M)。更多还原

【Abstract】 Curvularia leaf spot of maize was a new maize disease that has arisen in north China recent years. This study result showed that the Curvularia lunata (Wakker)Boed was a main pathogen in Heilongjiang province. The result of field observation showed that the disease symptom was different obviously among different corns.The disease spots of curvularia leaf spot can be divided in to resistant type(R), sensitive type(S) and middle type(M),according to their size, shape and color.更多还原