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首页> 外文期刊>Plant Disease >Incidence, Identification, and Mycoparasitic Activity of Clonostachys epichloe, a Hyperparasite of the Fungal Endophyte Epichloe typhina
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Incidence, Identification, and Mycoparasitic Activity of Clonostachys epichloe, a Hyperparasite of the Fungal Endophyte Epichloe typhina

机译：Clonostachys epichloe的发病率，鉴定和霉菌活性，真菌内皮肌卵磷仑嗜酸性肝细胞的纯磷灰石

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摘要

Fungi of the genus Epichloe (Clavicipitaceae, Ascomycota) cause choke disease in many grass species. The disease manifests itself as fungal stro-mata that form around developing inflorescences, thereby suppressing their maturation. Economic losses inagricultural production due to choke have long been known in the U.S.A. and France, but attempts to control choke disease have not been successful. The interaction between Epichloe typhina (Pers.) Tul. & C. Tul. and its naturally occurring fungal hyperparasite, Clonostachys epichloe (Speg.) Schroers (sexual morph Bionectria epichloe) was investigated in populations of the grass Pucci-nelliadistorts (L.) Pari. Fungal hyperparasites occur widely in nature, andmany are successfully used commercially as biological control agents against plant pathogenic fungi. Microscopy of Epichloe stromata infected with C. epichloe revealed a lack of asci with ascospores in perithecia and damage to mycelia at sites colonizedby C. epichloe. The ability of C. epichloe to colonize E. typhina was confirmed via two in vitro experiments. The percent inhibition of growth of E. typhina strains by C. epichloe varied from 18.40 to 46.50%, and the mycoparasite colonized up to 100% ofEpichloe mycelia in a precolonization experiment. We discuss the possibility of using C. epichloe to control choke disease caused by E. typhina in grass populations.
机译：Sepichloe（Clavicipitaceae，Ascomycota）的真菌引起了许多草种的扼流疾病。该疾病表现为真菌Stro-Mata，形成在显影花序周围，从而抑制其成熟。由于Choke的经济损失在美国而闻名于于美国，而且法国闻名，但试图控制扼流病患者并未成功。嗜孢子汤（PERS。）TUL之间的相互作用。 ＆c. tul。及其天然存在的真菌纯Permarasite，Clonostachys ePichloe（Speg。）SCHROERS（性变形Bionextria Sepichloe）在Grass Pucci-Nelliadistorts（L.）Pari的群体中进行了研究。真菌脱位岩在自然界中广泛地发生，并且在商业上成功地用于对植物病原真菌的生物对照剂。 Epichloe stromata的显微镜感染C. Epichloe揭示了贫困症中缺乏胱子孢子的ASCI，并在殖民地殖民地的菌丝体损伤C. ePichloe。通过两种体外实验证实了C.Peichloe将E.Typhina进行殖民化的能力。通过C.Peichloe抑制E.Typhina菌株的抑制百分比从18.40〜46.50％变化，霉菌素在预孔化实验中的菌丝菌菌丝菌殖民达高达100％。我们讨论了使用C. epichloe来控制由大草原毒素引起的Chke疾病的可能性。

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  • 来源
    《Plant Disease》 |2018年第10期|共8页
  • 作者

    Karolina Gorzyriska; Magdalena Slachetka; Przemystaw Rvszka; Katarzyna Turnau; Bartosz J. Ptachno; Marlena Lembicz;

  • 作者单位

    Department of Plant Taxonomy Adam Mickiewicz University in Poznari Poland;

    Department of Plant Taxonomy Adam Mickiewicz University in Poznari Poland;

    Department of Plant Taxonomy Adam Mickiewicz University in Poznari Poland;

    Institute of Environmental Sciences Jagiellonian University in Krakow Poland;

    Department of Plant Cytology and Embryology Institute of Botany Jagiellonian University in Krakow Poland;

    Department of Plant Taxonomy Adam Mickiewicz University in Poznari Poland;

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  • 正文语种 eng
  • 中图分类 植物保护;
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