New race of <Emphasis Type="Italic">Phytophthora vignae</Emphasis> f. sp. <Emphasis Type="Italic">adzukicola</Emphasis>, the causal agent of Phytophthora stem rot of the adzuki bean |
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| Authors: | Ayumi Notsu Norio Kondo Shohei Fujita Kippei Murata Shigeo Naito |
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| Institution: | (1) Graduate School of Agriculture, Hokkaido University, Sapporo 060-8589, Japan, JP;(2) Tokachi Agricultural Experiment Station, Memuro, Japan, JP |
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| Abstract: | A new race of Phytophthora vignae f. sp. adzukicola, designated race 4, is reported from central and western Hokkaido, Japan. The isolates obtained from diseased plants of a
new cultivar, cv. Syumari, which is resistant to races 1, 2, and 3, were determined to be a new race by the pathogenic reaction
on a set of differential adzuki bean cultivars (cv. Erimo-shozu, cv. Kotobuki-shozu, cv. Noto-shozu, cv. Urasa-shimane, and
cv. Syumari).
Received: March 7, 2002 / Accepted: August 13, 2002 |
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| Keywords: | Phytophthora stem rot Phytophthora vignae f sp adzukicola Race Vigna angularis |
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