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首页> 外文期刊>Forest Pathology >Teratosphaeria gauchensis associated with trunk, stem and foliar lesions of Eucalyptus globulus in Portugal
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Teratosphaeria gauchensis associated with trunk, stem and foliar lesions of Eucalyptus globulus in Portugal

机译：与葡萄牙桉树的树干，茎和叶状病变相关的高足小球藻

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摘要

Teratosphaeria gauchensis and T.zuluensis both cause a stem canker of eucalypts that leads to serious damage in various parts of the world. Until recently, this disease was unknown in Portugal. Nevertheless, severe damage to Eucalyptus globulus has been observed in Portugal since 2006 when symptoms appeared as necrotic spots on young green stems and leaves, twig lesions, and dark oval-shaped lesions on stems and trunks. The isolates from affected E.globulus tree plantations were identified using sequence data of the ITS1-5.8S-ITS2 and EF-1 clusters, together with morphological characteristics. Based on these results, the causal organism was identified as T. gauchensis, which represents the first report of this pathogen from Portugal.
机译：高加索氏菌和祖鲁氏沙门氏菌均引起桉树茎枯病，在世界各地造成严重破坏。直到最近，这种疾病在葡萄牙还是未知的。然而，自2006年以来，葡萄牙一直观察到对桉树的严重破坏，当时症状表现为年轻的绿色茎叶上的坏死斑，嫩枝病斑和茎干上的深色椭圆形病斑。使用ITS1-5.8S-ITS2和EF-1簇的序列数据以及形态学特征，鉴定了来自受影响的大叶桉树人工林的分离株。根据这些结果，病原生物被鉴定为高加索氏菌，这是该病原体来自葡萄牙的首次报道。

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