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KMID : 1160220210490030267
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Mycobiology
2021 Volume.49 No. 3 p.267 ~ p.274
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Diaporthe taoicola and D. siamensis, Two New Records on Citrus sinensis in China
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Cui Meng Jiao
Wei Xin
Xia Peng Liang
Yi Ji Ping
Yu Zhi He
Deng Jian Xin
Li Qi Li
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Abstract
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Two Diaporthe species isolated from fruit of Citrus sinensis in China were characterized based on morphology and multilocus phylogeny of ITS, tef1, and tub2 gene sequences. The phylogeny indicated that the two species match Diaporthe taoicola and D. siamensis. A critical examination of phenotypic characteristics confirmed the phylogenetic results. Diaporthe taoicola was morphologically characterized by producing Alpha conidia with tapering toward both ends. Meanwhile, D. siamensis produced cylindrical or ellipsoidal Alpha conidia with two oil drops. Pathogenicity tests revealed that both species were pathogenic to fruit of C. sinensis. To our knowledge, the two species were firstly reported on Citrus sinensis in China.
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KEYWORD
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Diaporthe, phylogeny, morphology, pathogenicity, Citrus sinensis
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