Articles liés à QTL analysis for Rice eating quality and cooking process:...

QTL analysis for Rice eating quality and cooking process: Using a population derived from a cross between Minghui 63 (MH63) and Kkao Dawk Mali105 (KDML 105) - Couverture souple

Nassirou, Tondi Yacouba; He, YuQing

 
9783848494712: QTL analysis for Rice eating quality and cooking process: Using a population derived from a cross between Minghui 63 (MH63) and Kkao Dawk Mali105 (KDML 105)
Couverture souple
ISBN 10 : 384849471X ISBN 13 : 9783848494712
Editeur : LAP LAMBERT Academic Publishing, 2012

Synopsis

The cooking and eating quality of the rice grain is one of the most serious problems in many rice producing areas of the world. In this study, we performed a QTL analysis of rice cooking and eating quality using a recombinant inbred line derived from a cross between Minghui 63 (MH63), the Chinese best male sterility restorer in the hybrid rice programs, and Kkao Dawk Mali105 (KDML 105), the Thai jasmine rice, known as the best quality rice. The traits analyzed include amylose content (AC), gel consistency (GC), alkali spreading value (ASV), and 13 parameters from the viscosity profile. Comparison of the QTL identified revealed 11 QTL clusters for these traits that are distributed on six chromosomes. The QTL for the traits in same class often clustered into same chromosomal regions. A total of 29 distinct QTLs were identified for 16 traits (or parameters) in the two years at P=0.01 level. Our results clearly showed that the QTL corresponding to the Wx locus simultaneously controlled most of viscosity parameters, but had no effect on AC, GC, ASV, V95, Btime, Atime, Atemp, Btemp and CPV. The QTL corresponding to the Alk locus played a role in ASV, GC, AC, all of the viscosity profiles

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Présentation de l'éditeur

The cooking and eating quality of the rice grain is one of the most serious problems in many rice producing areas of the world. In this study, we performed a QTL analysis of rice cooking and eating quality using a recombinant inbred line derived from a cross between Minghui 63 (MH63), the Chinese best male sterility restorer in the hybrid rice programs, and Kkao Dawk Mali105 (KDML 105), the Thai jasmine rice, known as the best quality rice. The traits analyzed include amylose content (AC), gel consistency (GC), alkali spreading value (ASV), and 13 parameters from the viscosity profile. Comparison of the QTL identified revealed 11 QTL clusters for these traits that are distributed on six chromosomes. The QTL for the traits in same class often clustered into same chromosomal regions. A total of 29 distinct QTLs were identified for 16 traits (or parameters) in the two years at P=0.01 level. Our results clearly showed that the QTL corresponding to the Wx locus simultaneously controlled most of viscosity parameters, but had no effect on AC, GC, ASV, V95, Btime, Atime, Atemp, Btemp and CPV. The QTL corresponding to the Alk locus played a role in ASV, GC, AC, all of the viscosity profiles

Biographie de l'auteur

MSc. Nassirou Tondi Yacouba has worked in the National Research center of Niger and has published papers in some scientifique journals. Did his Master degree research in the National Key Lab.of crop genetic improvement, HUAZHONG AGRICULTURAL UNIVERSITY, WUHAN-CHINA

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Éditeur
LAP LAMBERT Academic Publishing
Date d'édition
2012
Langue
anglais
ISBN 10 
384849471X
ISBN 13 
9783848494712
Reliure
Broché
Nombre de pages
84
Coordonnées du fabricant
non disponible
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