【作者】 李柱刚； 马伟； 张耀伟； 崔崇士；

【Author】 Li Zhugang, Ma Wei, Zhang Yaowei Cui Chongshi (Dept.of horticulture northeast agriculture universin, Harbin150030)

【机构】 东北农业大学园艺系；

【摘要】 用采自黑龙江省各地的大白菜黑斑病菌(Alternaria Brassicae(Berk．)Sacc．)的22个单孢菌株,对国内当前生产上应用的大白菜、萝卜、甘蓝、油菜等十字花科蔬菜作物51份试材进行苗期接种鉴定,根据同一品种在相同条件下对不同菌株抗感反应存在差异,而在不同条件下对同一菌株抗感反应趋近一致,借助模糊聚类分析的方法,筛选出5个大白菜黑斑病菌鉴别寄主,并把黑龙江省的大白菜黑宽病菌按照其在鉴别寄主上的反应划分为5个致病型。更多还原

【Abstract】 Twenty-two single-spore strains of Alternaria Brassicae for alternaria leaf spot in Chinese Cabbage in Heilongjiang province were collected in this experiment. Inoculation identification in Chinese cabbage, Cabbage, turnip, oilseed etc. and fifty one materials in seedling period. The differences among different varieties reaction to different fungal strains were not obvious, by fuzzy cluster analysis five different hosts of Alternaria Brassicae were screened. Alternaria Brassica of Chinese cabbage in Heilongjiang province classified five pathogenic types according to their response to different hosts.更多还原