亚麻萎蔫病病原菌鉴定

Identification on Pathogenetic Fungi of Flax Flaccid Disease in Inner Mongolia

从患病的亚麻根部获得分离物，经鉴定及致病性测定，经过完整的柯赫证病过程证实，引起亚麻萎蔫病的致病菌主要是尖镰孢菌，发病率达６１％，其次为立枯丝核菌，发病率达２１．２％，拟枝孢镰孢菌，发病率达１７．８％。

The isolation fungi obtained from diseased flax roots were identified and pathogenicity testedThe result showed that flax flaccid disease was caused by Fusarium oxysporum, Rhizoctonia solani and Fusarium sporotrichioides,their disease incidences were 61% ,21.2% and 17.8%,respectively.