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来自杨陵、北京、重庆、哈尔滨的甘蓝黑腐病菌对15个甘蓝育种材料和5个品种的致病力有明显分化现象,以陕西 YL-1的致病力最强.
Pathogenicity of 15 cabbage breeding materials and 5 varieties of cabbage black rot fungi from Yangling, Beijing, Chongqing and Harbin showed obvious differentiation. The pathogenicity of YL-1 in Shaanxi was the strongest.