镰孢属李瑟组的分类研究——李瑟组的一新变种  

Studies on the taxonomy in the section Liseola of the genus Fusarium : A new variety in the section Liseola.

作　　者：王拱辰[1] 叶琪明[1] 楼旭日[1] 顾振芳[1] 

机构地区：[1]浙江农业大学植物保护系,杭州310029

出　　处：《浙江农业大学学报》1992年第2期21-24,共4页

基　　金：国家自然科学基金

摘　　要：记述李瑟组一新变种:串珠镰孢杭州变种Fusarium moniliforme var.hangzhouensevar.nov.,并附有形态照片.A new variety, Fusarium moniliforme var. hangzhouense Wang et Ye var. nov. of the section Lise-ola is described in this paper. The specimen(ZAUF 1606)of Phragmites communis Trin was collected during 1990 in Hangzhou,China. Colony diameters on PSA for 4 days were 2. 5 - 3. 5 cm at 25 c. Colonies floccose to powdery.initially white,becoming roseate to purple. Two type of microconidia were observed:lemon-shaped, pyriform to globose O-1septate,6. 5 -10. 0×4. 5-7. 8 μm. and elliptical to allantoid .mostly O-septate,4 -12 × 1. 5-3. 1 μm. Microconidia formed in chains and false heads. Conidiogenous cells were polyphialides and simple phialides. Macroconidia falcate,3-4(5)septate,28-64× 2. 6 - 3. 5 μm. Thick-walled hyphae or cells(re-sembling chlamydospores)were globose to subglose.5 - 9×7 -12 μm.

关 键 词：镰孢属 李瑟组 分类 

分 类 号：Q949.32[生物学—植物学]