Determination of Optimum Rice Harvest Time by Change of the Glutelin Contents During the Maturity Period
2008
Shin, P.G. (National Institute of Horticultural and Herbal Science, RDA, Suwon, Republic of Korea) | Chang, A.C. (National Academy of Agricultural Science, RDA, Suwon, Republic of Korea) | Hong, S.C. (National Academy of Agricultural Science, RDA, Suwon, Republic of Korea) | Lee, K.S. (National Academy of Agricultural Science, RDA, Suwon, Republic of Korea) | Lee, K.H. (National Plant Quarantine Service, MAF, Suwon, Republic of Korea) | Lee, Y.B. (National Academy of Agricultural Science, RDA, Suwon, Republic of Korea), E-mail: soiltest@kg21.net
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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