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Bacterial brown spot on Avena storigosa Schereb. caused by Pseudomonas syringae pv. alisalensis |
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| Authors: | Yoshiyuki Ishiyama Naho Yamagishi Hideki Ogiso Masashi Fujinaga Yuichi Takikawa |
| Affiliation: | 1. Nagano Vegetable and Ornamental Crops Experiment Station, So-ga Tokoo, Shiojiri, Nagano, 399-6461, Japan 2. Nagano Vegetable and Ornamental Crops Experiment Station, Saku-Branch, Yamaura, Komoro, Nagano, 384-0807, Japan 3. Faculty of Agriculture, Shizuoka University, Shizuoka, 422-8529, Japan |
| Abstract: | Avena storigosa Schereb. (bristle oat) is used as a green manure in crop rotations and as an antagonist of nematodes in Nagano Prefecture, Japan. In 2011, necrotic, brown, water-soaked lesions were observed on young bristle oat plants. A pathogenic bacterium was isolated from symptomatic leaves of infected plants and produced the same symptoms after inoculation. Bacteriological properties of the bacterial isolates from bristle oat matched those of Pseudomonas syringae pathovars. The host range of the bristle oat isolates was identical to that of P. syringae pv. alisalensis. This is the first report of bristle oat disease caused by P. syringae pv. alisalensis. |
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