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Stem canker and wilt of delphinium caused by Fusarium oxysporum f. sp. delphinii in Japan |
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| Authors: | Toru Kondo Eiichi Chu Koji Kageyama Satoru Sugiyama |
| Affiliation: | 1. Agriculture Research Institute, Aomori Prefectural Industrial Technology Research Center, 82-9 Tanaka, Kuroishi, Aomori, 036-0522, Japan 2. Apple Research Institute, Aomori Prefectural Industrial Technology Research Center, Aomori, Japan 3. River Basin Research Center, Gifu University, Gifu, Japan 4. Aomori Prefecture Agricultural Pest Control Office, Aomori, Japan |
| Abstract: | Stem canker and severe wilt were observed on delphinium plants (Delphinium elatum) in Aomori Prefecture, Japan, in 2008. The fungus isolated from the diseased crown was identified as Fusarium oxysporum f. sp. delphinii on the basis of morphological characteristics, nucleotide sequences, and host range. The isolate induced similar stem canker and wilt symptoms in inoculated delphinium plants. We propose the name “stem canker and wilt” for the disease. |
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