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Pythium rot of chingensai ( Brassica campestris L. chinensis group) caused by Pythium ultimum var. ultimum and Pythium aphanidermatum |
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| Authors: | Koji Tanina Motoaki Tojo Hirotaka Date Hideo Nasu Shinji Kasuyama |
| Affiliation: | (1) Agricultural Experiment Station, Okayama Prefectural General Agriculture Center, Sanyo-cho, Okayama, 709-0801, Japan;(2) Laboratory of Plant Pathology, Graduate School of Agriculture and Biological Sciences, Osaka Prefecture University, Osaka, Japan |
| Abstract: | Severe rot was found at the base of leaves and stems of chingensai (Brassica campestris L. chinensis group) in Okayama Prefecture in 2000. The causal fungi were morphologically identified as Pythium ultimum Trow var. ultimum and P. aphanidermatum (Edson) Fitzpatrick. This is the first report of rot caused by Pythium species on chingensai. We named this disease Pythium rot of chingensai. |
| Keywords: | Brassica campestris L. chinensis group Chingensai Pythium aphanidermatum Pythium rot Pythium ultimum var. ultimum |
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