Genome-wide association mapping focusing on a rice population derived from rice breeding programs in a region

Plant breeding programs in local regions may generate genetic variations that are desirable to local populations and shape adaptability during the establishment of local populations. To elucidate genetic bases for this process, we proposed a new approach for identifying the genetic bases for the tra...

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Veröffentlicht in:Breeding science. - 1998. - 65(2015), 5 vom: 15. Dez., Seite 403-10
1. Verfasser: Fujino, Kenji (VerfasserIn)
Weitere Verfasser: Obara, Mari, Shimizu, Toshiaki, Koyanagi, Kanako O, Ikegaya, Tomohito
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Breeding science
Schlagworte:Journal Article Oryza sativa L. genome-wide association mapping local population plant breeding programs rice
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520 |a Plant breeding programs in local regions may generate genetic variations that are desirable to local populations and shape adaptability during the establishment of local populations. To elucidate genetic bases for this process, we proposed a new approach for identifying the genetic bases for the traits improved during rice breeding programs; association mapping focusing on a local population. In the present study, we performed association mapping focusing on a local rice population, consisting of 63 varieties, in Hokkaido, the northernmost region of Japan and one of the northern limits of rice cultivation worldwide. Six and seventeen QTLs were identified for heading date and low temperature germinability, respectively. Of these, 13 were novel QTLs in this population and 10 corresponded to the QTLs previously reported based on QTL mapping. The identification of QTLs for traits in local populations including elite varieties may lead to a better understanding of the genetic bases of elite traits. This is of direct relevance for plant breeding programs in local regions 
650 4 |a Journal Article 
650 4 |a Oryza sativa L. 
650 4 |a genome-wide association mapping 
650 4 |a local population 
650 4 |a plant breeding programs 
650 4 |a rice 
700 1 |a Obara, Mari  |e verfasserin  |4 aut 
700 1 |a Shimizu, Toshiaki  |e verfasserin  |4 aut 
700 1 |a Koyanagi, Kanako O  |e verfasserin  |4 aut 
700 1 |a Ikegaya, Tomohito  |e verfasserin  |4 aut 
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