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首页> 外文期刊>Plant Disease >Three Colletotrichum Species, Including a New Species, are Associated to Leaf Anthracnose of Rubber Tree in Hainan, China
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Three Colletotrichum Species, Including a New Species, are Associated to Leaf Anthracnose of Rubber Tree in Hainan, China

机译：包括新物种，包括新物种，包括新物种的三种植入物与中国海南橡胶树的叶子炭疽病相关联

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摘要

Colletotrichum gloeosporioides and C. acutatum have been reported to be causal agents of anthracnose disease of rubber tree. Recent investigations have shown that both C. gloeosporioides and C. acutatum are species complexes. The identities of Colletotrichum species causing anthracnose disease of rubber tree in Hainan, China, are unknown. In this study, 106 isolates obtained from rubber tree with symptoms of anthracnose were collected from 12 counties of Hainan and identified at the species complex level based on the ITS sequences and colony morphologies. Seventy-four isolates were identified as C. gloeosporioides species complex and the other 32 isolates as C. acutatum species complex. Forty-two isolates were selected for further multilocus phylogenetic analyses in order to identify the isolatesto the species level. Twenty-six isolates from the C. gloeosporioides species complex were characterized for partial sequences of seven gene regions (ACT, TUB2, CHS-l, GAPDH, ITS, ApMat, and GS), and the other 16 isolates from the C. acutatum species complex for five gene regions (ACT, TUB2, CHS-l, GAPDH, and ITS). Three species were identified: C. siamense and C. fructicola from the C. gloeosporioides species complex, and a new species C. wanningense from the C. acutatum species complex. Artificial inoculation of rubber tree leaves confirmed the pathogenicity of the three species. The present study improves the understanding of species causing anthracnose on rubber tree and provides useful information for the effective control of the disease.
机译：据报道，Colletotrichum Gloeosporioides和C.Cautatum是橡胶树的炭疽病疾病的因果子。最近的研究表明，C. Groooosporioides和C.Acutatum都是物种复合物。中国海南橡胶树炭疽病患者的胶凝物种的身份未知。在本研究中，从橡胶树中获得的106个分离株，从炭疽病的症状中收集来自海南的12个县，并基于其序列和菌落形态在物种复合水平上鉴定。将七十四个分离物鉴定为C. gloooosporioides物种复合物，另外32个分离物作为C. acutatum物种复合物。选择四十二个分离物用于进一步的多层系统发育分析，以鉴定物种水平的isolatesto。来自C. gloooosporioides物种复合物的二十六个分离株，其特征在于七个基因区域的部分序列（Act，Tub2，CHS-L，GAPDH，其，APMAT和GS），以及来自C.Cautatum物种的其他16个分离物五个基因区域复合物（ACT，TUB2，CHS-L，GAPDH及其）。鉴定了三种物种：C.暹罗和C.来自C. gloooosporioides物种复合物的果汁，以及来自C. acutatum物种复合物的新物种C. Wanningense。人工接种橡胶树叶证实了三种物种的致病性。本研究改善了对橡胶树上炭疽病的物种的理解，并提供有效控制疾病的有用信息。

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  • 来源
    《Plant Disease》 |2019年第1期|共8页
  • 作者

    Xueren Cao; Xiangming Xu; Haiyan Che; Jonathan S. West; Daquan Luo;

  • 作者单位

    Key Laboratory of Integrated Pest Management on Tropical Crops Ministry of Agriculture Environment and Plant Protection Institute Chinese Academy of Tropical Agricultural Sciences Haikou 571101 China;

    NIAB EMR New Road East Mailing Kent ME 19 6BJ UK;

    Key Laboratory of Integrated Pest Management on Tropical Crops Ministry of Agriculture Environment and Plant Protection Institute Chinese Academy of Tropical Agricultural Sciences Haikou 571101 China;

    Rothamsted Research Harpenden AL5 2JQ UK;

    Key Laboratory of Integrated Pest Management on Tropical Crops Ministry of Agriculture Environment and Plant Protection Institute Chinese Academy of Tropical Agricultural Sciences Haikou 571101 China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 植物保护;
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