Characterization and pathogenicity of Bipolaris peregianensis: the causal organism for leaf spot of hybrid bermudagrass in China

被引：0
|
作者：
Wu Zhang
Jinxiang Liu
Pinghui Huo
Tao Zhang
Zhibiao Nan
机构：
[1] Lingnan Normal University,State Key Laboratory of Grassland Agro
[2] Lanzhou University,ecosystems
[3] Lanzhou University,College of Pastoral Agriculture Science and Technology
来源：
European Journal of Plant Pathology | 2017年 / 148卷
关键词：
Characterization; Pathogenicity; Leaf spot · hybrid bermudagrass;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Several golf courses established with hybrid bermudagrass (Cynodon dactylon × C. transvaalensis) were surveyed from April 2011 through April 2015 in Hainan Province, China. The hybrid bermudagrass in these golf courses showed a new leaf spot disease, and a filamentous fungus was consistently recovered from the infected leaves. Based on the morphological characteristics of colony color and appearance, shapes of conidiophores and conidia as well as sequences of internal transcribed spacer regions (ITS) and glyceraldehyde 3-phosphate dehydrogenase (GAPDH), the fungus was identified as Bipolaris peregianensis. The pathogenicity test conducted on healthy hybrid bermudagrass produced leaf spot symptoms one week post inoculation. B. peregianensis mycelia grew in a temperature range of 5 to 35 °C with the optimum temperature being 28 °C.
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页码：551 / 555
页数：4
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