【摘要】 通过田间和室内接种症状观察，首次报道烟草镰刀菌根腐病在贵州的发生情况，对其田间症状、病原菌特点作了描述。更多还原

【Abstract】 The Occurance of tobacco root rot caused by Fusarium sp．was first reported in Guizhou province．The symptoms in the field and charactenstics of pathogen were also described in this paper．更多还原