Determination of Optimum Rice Harvest Time by Change of the Glutelin Contents During the Maturity Period

벼 등숙기간 중 글루테린 함량 변화에 따른 쌀의 수확적기 판정

  • Shin, Pyung-Gyun (Mushroom Research Division, National Institute of Horticultural & Herval Science) ;
  • Chang, An-Cheol (Soil and Fertilizer Management Division, National Academy of Agricultural Science, RDA) ;
  • Hong, Seong-Chang (Soil and Fertilizer Management Division, National Academy of Agricultural Science, RDA) ;
  • Lee, Ki-Sang (Soil and Fertilizer Management Division, National Academy of Agricultural Science, RDA) ;
  • Lee, Keum-Hee (National Plant Quarantine Service, MAF) ;
  • Lee, Yong-Bok (Soil and Fertilizer Management Division, National Academy of Agricultural Science, RDA)
  • 신평균 (농촌진흥청 국립원예특작과학원 버섯과) ;
  • 장안철 (국립농업과학원 토양비료관리과) ;
  • 홍성창 (국립농업과학원 토양비료관리과) ;
  • 이기상 (국립농업과학원 토양비료관리과) ;
  • 이금희 (식물검역원 중부격리재배연구소) ;
  • 이용복 (국립농업과학원 토양비료관리과)
  • Published : 2008.12.31


The change of glutelin contents in rice grain during the maturity period was investigated to determine optimum rice harvesting time. The glutelin content was increased with increasing time after heading. In this study, eight of glutelin subunits were found. Among the glutelin subunits, 7208-subunit (MW, 35 kD) contents was significantly increased at 65 days after heading compared with 55 and 60 days after heading. 7405-subunit (MW, 50 kD) contents was steadily increased with time after heading. The results showed that at 55th day after heading would be optimum time for harvest to get the low glutelin content of rice grain.


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