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| 楠木枝枯病病原菌鉴定 | |
| 引用本文： | 岳阳,吴利平,夏俊勇,马良进.楠木枝枯病病原菌鉴定[J].植物病理学报,1955,49(5):699-704. |
| 作者姓名： | 岳阳 吴利平 夏俊勇 马良进 |
| 作者单位： | 浙江农林大学林业与生物技术学院,临安 311300; 建德市森林病虫防治检疫站,建德 311600; 淳安县林业局姜家林业中心站,淳安 311722 |
| 基金项目： | 国家林业局948项目(2015-4-40);杭州市农业与社会发展科研项目楠木枝枯病防控关键技术研究与应用(164501) |
| 摘 要： | |
The pathogen causing twig blight of Phoebe |
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| YUE Yang,WU Li-ping,XIA Jun-yong,MA Liang-jin.The pathogen causing twig blight of Phoebe[J].Acta Phytopathologica Sinica,1955,49(5):699-704. | |
| Authors: | YUE Yang WU Li-ping XIA Jun-yong MA Liang-jin |
| Institution: | School of Forestry and Biotechnology, Zhejiang A & F University, Lin′an 311300, China; Jiande Station of Forest Pests Control and Quarantine, Jiande 311600, China; Jiangjia Forestry center station of Chun′an Forestry Agency, Chun′an 311722, China |
| Abstract: | Phoebe is a traditional precious tree species in China, which has great economic and ecological value. A new disease twig blight was found in the Phoebe planting area of Zhejiang province. Symptoms usually appear on the base or fork of branches with black swollen epidermis and gradually get worse resulting branch wilting or whole plant death when longitudinal epidermis cracking. The diseased samples were collected in 2017-2018 and the fungal isolate was identified as Lasiodiplodia pseudotheobromae based on morphological characteristics of colony and spore and sequence analysis of ITS region and EF1-α gene. The pathogenicity tests on Phoebe showed that L. pseudotheobromae caused the typical symptoms of twig blight. Koch′s postulates were satisfied following reisolation and identification of the isolate from the infected tissues using the methods described above. This is the first report of Phoebe twig blight caused by L. pseudotheobromae in China. |
| Keywords: | Lasiodiplodia pseudotheobromae molecular identification twig blight Phoebe |
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