Effect of 2-Azahypoxanthine (AHX) Produced by the Fairy-Ring-Forming Fungus on the Growth and the Grain Yield of Rice

DOI 機関リポジトリ HANDLE Web Site 被引用文献33件 参考文献8件
  • FUSHIMI Keiji
    Graduate School of Science and Technology, Shizuoka University
  • ASAI Tatsuo
    Center for Education and Research in Field Sciences, Faculty of Agriculture, Shizuoka University
  • CHOI Jae-Hoon
    Research Institute of Green Science and Technology, Shizuoka University Graduate School of Agriculture, Shizuoka University
  • ABE Nobuo
    Graduate School of Agriculture, Shizuoka University
  • KOBORI Hajime
    Graduate School of Science and Technology, Shizuoka University
  • YAMAKAWA Yasuhiro
    Graduate School of Agriculture, Shizuoka University
  • IKKA Takashi
    Graduate School of Agriculture, Shizuoka University
  • TANAKA Hidekazu
    Graduate School of Agriculture, Shizuoka University
  • KIRIIWA Yoshikazu
    Graduate School of Agriculture, Shizuoka University
  • DEO Vipin Kumar
    Research Institute of Green Science and Technology, Shizuoka University
  • MOTOHASHI Reiko
    Graduate School of Agriculture, Shizuoka University
  • KAN Toshiyuki
    School of Pharmaceutical Sciences, University of Shizuoka
  • ASAKAWA Tomohiro
    School of Pharmaceutical Sciences, University of Shizuoka
  • MORITA Akio
    Graduate School of Agriculture, Shizuoka University
  • KAWAGISHI Hirokazu
    Research Institute of Green Science and Technology, Shizuoka University Graduate School of Agriculture, Shizuoka University Graduate School of Science and Technology, Shizuoka University

書誌事項

公開日
2015
資源種別
journal article
DOI
  • 10.6090/jarq.49.45
公開者
国立研究開発法人　国際農林水産業研究センター

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説明

To examine the effect of 2-azahypoxanthine (AHX) on rice plant (Oryza sativa L. cv. Nipponbare) growth, we carried out pot and field experiments. AHX was applied at 50 μM for two weeks at four growth stages (transplanting, tillering, panicle formation and ripening stages) in the pot experiment, and 1 mM AHX at three stages [at rising of seedling in nursery boxes (seedling treatment), transplanting and panicle formation stages] in the field experiment. Both pot and field experiments showed a tendency toward increased panicle number (PN), culm length (CL) and plant dry weights with AHX treatments. Brown rice yields were also improved by AHX treatments, especially when applying at stages of tillering and panicle formation and seedling and transplanting during pot and field experiments, respectively. In the latter, yield increased drastically up to 18.7, 15.8, 9.6 and 5.8% of control. However, panicle length and 1000-grain weight were not affected by AHX application. These results suggested that AHX increased the brown rice yield through its effects on PN and/or CL.

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