首页> 外文期刊>Journal of general plant pathology >First report of Colletotrichum queenslandicum causing leaf anthracnose on Dracaena cambodiana in China
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First report of Colletotrichum queenslandicum causing leaf anthracnose on Dracaena cambodiana in China

机译:中国首次报道昆士兰Collettotriccum引起黄龙血树叶炭疽病

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摘要

Abstract In June 2021, a leaf spot was found on Dracaena cambodiana on Yongxing island of Sansha City, Hainan Province, China. The disease mainly occurred at the tips or edges of older leaves. About 50 of leaves were showed necrotic symptoms. Similar fungal isolates were obtained from all sterilized sections incubated on PDA. The fungus was identified as Colletotrichum queenslandicum by morphological characteristics and multi-locus phylogenetic analyses with ITS region of rDNA, GADPH, CHS-1, ACT, GS and TUB-2 gene sequences. This is the first report of Colletotrichum queenslandicum causing leaf anthracnose on Dracaena cambodiana.
机译:摘要 2021年6月,在海南省三沙市永兴岛的柬埔寨龙血树上发现了一株叶斑。该病害主要发生在老叶的顶端或边缘。约50%的叶子出现坏死症状。从PDA上孵育的所有灭菌切片中获得类似的真菌分离物。通过形态学特征和多位点系统发育分析,将该真菌鉴定为昆士兰Colletotrichum körjicu,其基因序列包括rDNA、GADPH、CHS-1、ACT、GS和TUB-2基因序列的ITS区域。这是昆士兰Collettorichum 引起黄龙血树叶炭疽病的首次报道。

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