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Diplodia sapinea in Swedish forest nurseries

机译:Diplodia Sapinea在瑞典森林苗圃

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摘要

Diplodia sapinea is a common forest pathogen on Pinus spp. in a large part of the world. In 2013, disease caused by this pathogen on Scots pine (Pinus sylvestris) trees in Sweden was reported for the first time. In this study, we report the first detection of D. sapinea on diseased seedlings of P. sylvestris from two Swedish forest nurseries. Infected seedlings were collected July-November 2019. Diplodia sapinea was identified by morphological characteristics of fungal structures on plant tissues and from culture grown on Hagem agar media, followed by sequencing of fungal ITS rDNA. The result emphasizes the susceptibility of P. sylvestris seedlings. More research is needed to better understand the risk for disease spreading within forest nurseries and into the forest through infected plant material.
机译:松材线虫是世界上大部分地区松属植物上常见的森林病原菌。2013年,瑞典首次报告了这种病原体对苏格兰松(Pinus sylvestris)造成的疾病。在这项研究中,我们报告了首次在来自两个瑞典森林苗圃的P.sylvestris病苗上检测到D.sapinea。2019年7月至11月收集了受感染的幼苗。通过植物组织上真菌结构的形态特征和在Hagem琼脂培养基上生长的培养物,以及真菌ITS rDNA的测序,鉴定了无患双孢霉。这一结果强调了樟子松幼苗的敏感性。需要进行更多的研究,以更好地了解疾病通过受感染的植物材料在森林苗圃内和森林中传播的风险。

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