麻疯树根腐病的病原鉴定

Identification of the Causal Agent of Root Rot Disease of Jatropha curcas L.in Luodian County

[目的]鉴定麻疯树根腐病的病原。[方法]从罗甸县境内的不同麻疯树种植地点采集典型的根腐病病根标本,并对其病原物进行了分离培养、致病性测试以及形态特征观察。[结果]最终确认麻疯树根腐病病原菌为腐皮镰孢菌(Fusarium solani)。[结论]为贵州罗甸县境内麻疯树根腐病的有效防治提供了参考。

[Objective] The aim was to identify the causal agent of root rot disease of Jatropha curcas L.in Luodian County.[Method] Typical root rot samples were collected from different planting areas of Jatropha curcas L.in Luodian County,and then pathogens of the root rot samples were isolated,cultured,made a pathogenic test and observed under the microscope.[Result] The causal agent of root rot disease of Jatropha curcas L.was Fusarium solani（Martius） Appel ＆ Wollenweber.[Conclusion] The research provides reference for the effective prevention and control of root rot disease of Jatropha curcas L.in Luodian County.