著者
野中 福次 本村 知樹 田中 欽二
出版者
九州病害虫研究会
雑誌
九州病害虫研究会報 (ISSN:03856410)
巻号頁・発行日
vol.36, pp.56-58, 1990-10-30 (Released:2009-05-22)
参考文献数
1
被引用文献数
9 8

Southern blight like disease on cultivated water chestnut (Trapa bispionosa Roxb.) leaves occurred in paddy fields in August in 1989 in Saga Prefecture. Corticium rolfsii Curzi, causal fungus of southern blight, was isolated from lesions of infected leaves. Isolates of C. rolfsii from water chestnut were compared with isolates from many other plants in respect to their mycelial growth and pathogenicity: No differences in the mycelial growth were found between isolates from water chestnut and that from the other plants. The optimum temperature of both isolates on potato sucrose agar was about 30°C. Isolates from water chestnut were as severely pathogenic against the leaves of water chestnut, and seedlings of soy bean and burdock as isolates from other plants by artificial inoculation. From the experimental results, it was considered that isolates from water chestnut were identical with C. rolfsii isolated from other plants.
著者
野中 福次 原 学
出版者
九州病害虫研究会
雑誌
九州病害虫研究会報 (ISSN:03856410)
巻号頁・発行日
no.21, pp.126-128, 1975

1. エンドウ胚軸を10<SUP>-4</SUP>M HgCl<SUB>2</SUB>に浸漬することによりpisatinの生成が認められ,その生成量は浸漬して48時間後に最高に達した。この胚軸から抽出した粗pisatinはF. solani f. sp. pisiの胞子発芽管の伸長を強く阻害した。<BR>2. エンドウ胚軸を数種の殺菌剤に浸漬した場合,カスミン液剤,サンヨール乳剤,ベンレート水和剤およびサンケル水和剤でpisatinの生成が認められた。