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To investigate the distribution of clubroot of a cruciferous weed, Cardamine flexuosa, caused by Plasmodiophora brassicae, field surveys were conducted in Hokkaido, Aomori, and Okinawa, and major isolated islands in Japan during 1993–2004. The disease was newly recorded in Aomori and nine islands in five different prefectures, including Sado (Niigata), Oki (Shimane), Mishima (Yamaguchi), Tsushima,...
To investigate the distribution of clubroot of a cruciferous weed, Cardamine flexuosa, caused by Plasmodiophora brassicae, field surveys were conducted in Hokkaido, Aomori, and Okinawa, and major isolated islands in Japan during 1993–2004. The disease was newly recorded in Aomori and nine islands in five different prefectures, including Sado (Niigata), Oki (Shimane), Mishima (Yamaguchi), Tsushima,...
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