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Characteristics Variation of Amylogram Properties by the Rapidity of Grain Filling in Rice Recombinant Inbred Line's Populations  

Kwak, Tae Soon (College of Life Science and Natural Resources, Sangji University)
Publication Information
Korean Journal of Breeding Science / v.40, no.3, 2008 , pp. 291-294 More about this Journal
Abstract
Amylogram properties such as peak viscosity, hot viscosity, cool viscosity, breakdown, pasting consistency and setback were investigated by the Rapid Visco Analyzer and interpreted by the relationship among amylogram properties according to the varietal groups classified by the rapidity of grain filling (RGF) which was calculated by the percentage of grain weight at 15 days after heading to 40 days after heading. The 164 rice recombinant inbred lines from the cross of Milyang23 and Gihobyeo were used to get the basic information regarding the amylogram properties. The used recombinant inbred lines could be grouped into 4 varietal groups such as slow maturing (less than 40% of RGF), mid-slow maturing (41-60% of RGF),mid-fast maturing (61-80% of RGF), and fast maturing (more than 81% of RGF) groups based on the RGF. The peak viscosity and setback showed regular tendency according to the varietal groups classified by the RGF. Positive significant correlations were found between pasting consistency and setback, however negative significant correlations were found between breakdown and setback in all varietal groups.
Keywords
Rice; Amylogram Properties; Rapidity of Grain Filling; Rapid Visco Analyzer;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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