首页> 外文期刊>Mycologia >Ophiodiaporthe cyatheae gen. et sp. nov., a diaporthalean pathogen causing a devastating wilt disease of Cyathea lepifera in Taiwan.
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Ophiodiaporthe cyatheae gen. et sp. nov., a diaporthalean pathogen causing a devastating wilt disease of Cyathea lepifera in Taiwan.

机译:Ophiodiaporthe cyatheae gen。等。十一月,是导致台湾小夜蛾毁灭性枯萎病严重的透虫病病原体。

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摘要

The scaly tree fern, Cyathea lepifera, in Taiwan has been devastated by an ascomycetous pathogen in recent years. This fungus resembles species of Diaporthe, but unlike anamorphs of Diaporthe that produce two types of conidia, its anamorph produces one conidium type. It is described herein as Ophiodiaporthe cyatheae gen. et sp. nov. Through pathogenicity tests, O. cyatheae was demonstrated to be the causal agent of the C. lepifera wilt disease. Of interest, sporulating structures of O. cyatheae have not been found on C. lepifera plants but in culture thus far. The mating system is homothallic. Phylogenetic analyses based on combined sequences of nSSU-rDNA, nLSU-rDNA, EF1-alpha-1 and RPB2 placed O. cyatheae in Diaporthaceae. Combined sequences of EF1-alpha-2 and TUB indicated that O. cyatheae had its origin within Diaporthe.
机译:近年来,台湾鳞状树蕨Cyathea lepifera被子囊病原体破坏。这种真菌类似于Diaporthe的种类,但是与Diaporthe的无性型产生两种分生孢子的情况不同,其无性型产生一种分生孢子的类型。在本文中被描述为麦兜铃属(Ophiodiaporthe cyatheae)。等。十一月通过致病性测试,证明了柳叶菜科是lepifera枯萎病的病原体。有趣的是,到目前为止,尚未在鳞翅目C. lepifera植物上发现c木的孢子形成结构,而在其培养物中仍未发现。交配系统是同型的。基于nSSU-rDNA,nLSU-rDNA,EF1-alpha-1和RPB2的组合序列的系统发育分析将O木科置于Dia科中。 EF1-alpha-2和TUB的组合序列表明,柳叶蝉科起源于Diaporthe。

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