Reduced seedling growth on rice caused by <i>Pythium arrhenomanes</i> after direct sowing of iron-coated seeds.

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  • MATSUURA S.
    Hiroshima Prefectural Technology Research Institute, Agriculture Research Center
  • TAKEMOTO K.
    School of Life and Environmental Sciences, Osaka Prefecture University
  • TOJO M.
    School of Life and Environmental Sciences, Osaka Prefecture University
  • YAMAUCHI M.
    National Agricultural Research Center for Western Region

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Other Title
  • 水稲の鉄コーティング湛水直播における<i>Pythium arrhenomanes</i>による苗立ち不良
  • 水稲の鉄コーティング湛水直播におけるPythium arrhenomanesによる苗立ち不良
  • スイトウ ノ テツ コーティングタンスイ ジカマキ ニ オケル Pythium arrhenomanes ニ ヨル ナエ タチ フリョウ

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Abstract

Direct sowing of iron-coated rice seeds into flooded paddy fields has been widely applied to save on labor and cultivation costs; however, seedlings grown from iron-coated rice seeds often develop seedling rot in the field. We identified Pythium arrhenomanes as one of the causal agents of the disease based on fungal morphology and a DNA sequence analysis of internal transcribed spacer region on ribosomal DNA. This study is the first report of Pythium arrhenomanes causing a rot on rice seedlings from directly sown iron-coated seeds.<br>

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