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墨兰共生真菌一新种的分离、培养、鉴定及其生物活性
引用本文:墨兰共生真菌一新种的分离、培养、鉴定及其生物活性.墨兰共生真菌一新种的分离、培养、鉴定及其生物活性[J].菌物学报,1996,15(4).
作者姓名:墨兰共生真菌一新种的分离、培养、鉴定及其生物活性
作者单位:中国医学科学院,中国协和医科大学药用植物研究所 北京 100094
摘    要:在对产于云南西双版纳的热带兰花菌根进行研究时,发现一分离自墨兰的菌株,菌丝纯白色,具典型的锁状连合,对其子实体的鉴定表明该菌株代表着一新分类单位——兰小菇Mycena orchidicola Fan et Guo sp.nov.同时,对该新种在兰科种子萌发中的作用作了初步探讨,结果表明该菌可侵入兰科种子,促进种子萌发。

关 键 词:小菇属  兰小菇  墨兰  种子萌发

ISOLATION, CULTURE, IDENTIFICATION AND BIOLOGICAL ACTIVITY OF MYCENA ORCHIDICOLA SP. NOV. IN CYMBIDIUM SINENSE (ORCHIDACEAE)
Authors:Fan Li Guo Shunxing Cao Wenqin Xiao Peigen Xu Jingtang
Abstract:During a study of fungi present in cortical tissues of the roots of tropical orchids in Xishuangbannan, Yunnan, some isolates were obtained from Cymbidium sinense. One of them, morphologically belonging to Mycena, Sect. Sacchariferae, is evidently distinguished from previously described species of Mycena by its sub - fusiform pleurocystidia and caulocystidia gradually tapering towards the tip and flexous to kinked. .A new taxon, M. orchidicola, is therefore described and illustrated to accommodate this isolate. Symbiotic germination tests between seeds of 12 orchid species and M. orchidicola demonstrated M. orchidicola stimulated seed germination of 5 orchid species but it was not effective in promoting seed germination or protocorm development of other orchids. This means M. orchidicola is active and has ability to stimulate seed germination.
Keywords:Cymbidium sinense  Mycena  Mycena orchidicola  Seed germination  
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