一品红枯萎病病原菌鉴定

基金项目: 国家自然科学基金

IDENTIFICATION OF THE PATHOGEN CAUSING WILT DISEASE OF POINSETTIA

摘要: 通过病原菌致病性测定形态鉴定，确认一品红枯萎病是由尖孢镰刀菌引起。采用浸根接种法和灌根接种法进一步对该菌进行寄主范围测定试验，被接种的１１个科１４种植物中仅有一品红发病，故鉴定该菌为一独立的专化型－－尖孢镰刀菌一品红专化型。
- 一品红 /
- 枯萎病 /
- 尖孢镰刀菌
Abstract: The pathogen of wilt disease of poinsettia was identified as Fusarium oxysporum schl. f. sp. euphorbiae Z. D. Jiang et P. K. Chi. f. sp. nov. according to its morphology, cultural character and pathogenicity. This pathogen only attacked poisettia among 14 species of plants on 11 families by the methods of impregnated inoculation and irrigated inoculation. The disease could cause basal stem rotted in the late stage.
- poinsettia /
- wilt /
- Fusarium oxysporum