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期 刊 ：植物保护学报 1997年

关键词：灰斑病；发生规律；防治对策；

Keywords:grey speck, occurrence regularity, control strategy,

摘 要 ：作者较系统地研究了我国春大豆产区主要病害灰斑病的发生和病害消长规律;在国内首次用自行筛选的一套鉴别寄主,鉴定出14个生理小种,明确了黑龙江省以及东北部分地区的病菌生理小种类型及分布。为育种工作提供了科学依据和抗源材料,配合育种部门,在短期内选育出和大面积推广了一批抗病新品种,并提出大豆灰斑病药剂防治技术。

Abstract:The occurrence and the regularity of the growth and decline of grey speck caused by Cercosporidum sojinum Hara Liu et Guo was studied systematically in spring soybean region of the country for many years. A set of differential cultivars was selected for t

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