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Nectria-related fungi causing dieback and canker diseases in China, with Neothyronectriacitri sp. nov. described.


ABSTRACT: To clarify phylogenetic relationships amongst Nectria, Neothyronectria and Thyronectria in Nectriaceae, we examined detailed morphological characters and performed phylogenetic analyses of a concatenated dataset, based on the ITS, LSU, tef1 and tub2 DNA sequences of fungal specimens in China. Four species of nectria-related fungi were identified, i.e. Nectriadematiosa, N.pseudotrichia, Neothyronectriacitri and Thyronectriapinicola. The newly described species, Neothyronectriacitri, is characterised by its ascomatal wall with bright yellow scurf, unitunicate asci, each with 4-spored and ascospores allantoid to short-cylindrical, uniseriate, muriform, hyaline to slightly yellowish-brown. This species has affinities with other one known species of Neothyronectria and can be distinguished by molecular data.

SUBMITTER: Yang Q 

PROVIDER: S-EPMC6637038 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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<i>Nectria</i>-related fungi causing dieback and canker diseases in China, with <i>Neothyronectriacitri</i> sp. nov. described.

Yang Qin Q   Chen Wen-Yan WY   Jiang Ning N   Tian Cheng-Ming CM  

MycoKeys 20190710


To clarify phylogenetic relationships amongst <i>Nectria</i>, <i>Neothyronectria</i> and <i>Thyronectria</i> in <i>Nectriaceae</i>, we examined detailed morphological characters and performed phylogenetic analyses of a concatenated dataset, based on the ITS, LSU, <i>tef1</i> and <i>tub2</i> DNA sequences of fungal specimens in China. Four species of nectria-related fungi were identified, i.e. <i>Nectriadematiosa</i>, <i>N.pseudotrichia</i>, <i>Neothyronectriacitri</i> and <i>Thyronectriapinicola  ...[more]

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