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

• 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

• IKKA Takashi

  Graduate School of Agriculture, Shizuoka University

• FUSHIMI Keiji

  Graduate School of Science and Technology, Shizuoka University

• ABE Nobuo

  Graduate School of Agriculture, Shizuoka University

• TANAKA Hidekazu

  Graduate School of Agriculture, Shizuoka University

• YAMAKAWA Yasuhiro

  Graduate School of Agriculture, Shizuoka University

• KOBORI Hajime

  Graduate School of Science and Technology, Shizuoka University

• KIRIIWA Yoshikazu

  Graduate School of Agriculture, Shizuoka University

• MOTOHASHI Reiko

  Graduate School of Agriculture, Shizuoka University

• DEO Vipin Kumar

  Research Institute of Green Science and Technology, Shizuoka University

• ASAKAWA Tomohiro

  School of Pharmaceutical Sciences, University of Shizuoka

• KAN Toshiyuki

  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

Abstract

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.

Journal

• Japan Agricultural Research Quarterly: JARQ

  Japan Agricultural Research Quarterly: JARQ 49 (1), 45-49, 2015

  Japan International Research Center for Agricultural Sciences

Keywords

• fairy chemical
• <i>Lepista sordida</i>

Details

• CRID: 1390282679679059456
• NII Article ID: 130004886284
• NII Book ID: AA0068709X
• DOI: 10.6090/jarq.49.45
• ISSN: 21858896
• ISSN: 00213551
• Web Site: http://hdl.handle.net/10297/9091
• Text Lang: en
• Data Source:
  • JaLC
  • IRDB
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed