Variation in cooking and eating quality traits in Japanese rice germplasm accessions

The eating quality of cooked rice is important and determines its market price and consumer acceptance. To comprehensively describe the variation of eating quality in 183 rice germplasm accessions, we evaluated 33 eating-quality traits including amylose and protein contents, pasting properties of ri...

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Veröffentlicht in:Breeding science. - 1998. - 66(2016), 2 vom: 27. März, Seite 309-18
1. Verfasser: Hori, Kiyosumi (VerfasserIn)
Weitere Verfasser: Suzuki, Keitaro, Iijima, Ken, Ebana, Kaworu
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Breeding science
Schlagworte:Journal Article Oryza sativa L. eating quality natural variation temperate japonica rice accessions
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520 |a The eating quality of cooked rice is important and determines its market price and consumer acceptance. To comprehensively describe the variation of eating quality in 183 rice germplasm accessions, we evaluated 33 eating-quality traits including amylose and protein contents, pasting properties of rice flour, and texture of cooked rice grains. All eating-quality traits varied widely in the germplasm accessions. Principal-components analysis (PCA) revealed that allelic differences in the Wx gene explained the largest proportion of phenotypic variation of the eating-quality traits. In 146 accessions of non-glutinous temperate japonica rice, PCA revealed that protein content and surface texture of the cooked rice grains significantly explained phenotypic variations of the eating-quality traits. An allelic difference based on simple sequence repeats, which was located near a quantitative trait locus (QTL) on the short arm of chromosome 3, was associated with differences in the eating quality of non-glutinous temperate japonica rice. These results suggest that eating quality is controlled by genetic factors, including the Wx gene and the QTL on chromosome 3, in Japanese rice accessions. These genetic factors have been consciously selected for eating quality during rice breeding programs in Japan 
650 4 |a Journal Article 
650 4 |a Oryza sativa L. 
650 4 |a eating quality 
650 4 |a natural variation 
650 4 |a temperate japonica rice accessions 
700 1 |a Suzuki, Keitaro  |e verfasserin  |4 aut 
700 1 |a Iijima, Ken  |e verfasserin  |4 aut 
700 1 |a Ebana, Kaworu  |e verfasserin  |4 aut 
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