A New Race of Spinach Downy Mildew in Japan |
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| Authors: | Mamoru SATOU Takuma SUGIURA Ryuki OHSAKI Noriyuki HONDA Seizo HORIUCHI Norihito YAMAUCHI |
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| Affiliation: | (1) National Agricultural Research Center for Tohoku Region, Shimokuriyagawa, Morioka 020–0198, Japan, JP;(2) Fukui Agricultural Experiment Station, Ryo, Fukui 918–8215, Japan, JP;(3) National Institute of Vegetable and Tea Science, Shimokuriyagawa, Morioka 020-0123, Japan, JP |
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| Abstract: | A new race of spinach downy mildew caused by Peronospora effusa occurred in Fukui, Japan. The fungus was capable of affecting spinach cultivars resistant to races 1, 2, 3 and 4, but not some other cultivars. Thus, the fungus had different pathogenicity from race 3 and race 4 of the pathogen and was considered to be a new race of spinach downy mildew in Japan. Received 26 April 2001/ Accepted in revised form 17 August 2001 |
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| Keywords: | : Peronospora effusa spinach downy mildew new race. |
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