Identification of QTLs controlling harvest time and fruit skin color in Japanese pear (Pyrus pyrifolia Nakai)

Using an F1 population from a cross between Japanese pear (Pyrus pyrifolia Nakai) cultivars 'Akiakari' and 'Taihaku', we performed quantitative trait locus (QTL) analysis of seven fruit traits (harvest time, fruit skin color, flesh firmness, fruit weight, acid content, total solu...

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Veröffentlicht in:Breeding science. - 1998. - 64(2014), 4 vom: 01. Dez., Seite 351-61
1. Verfasser: Yamamoto, Toshiya (VerfasserIn)
Weitere Verfasser: Terakami, Shingo, Takada, Norio, Nishio, Sogo, Onoue, Noriyuki, Nishitani, Chikako, Kunihisa, Miyuki, Inoue, Eiichi, Iwata, Hiroyoshi, Hayashi, Takeshi, Itai, Akihiro, Saito, Toshihiro
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Breeding science
Schlagworte:Journal Article Akiakari SSR marker Taihaku fruit traits genetic linkage map quantitative trait locus
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520 |a Using an F1 population from a cross between Japanese pear (Pyrus pyrifolia Nakai) cultivars 'Akiakari' and 'Taihaku', we performed quantitative trait locus (QTL) analysis of seven fruit traits (harvest time, fruit skin color, flesh firmness, fruit weight, acid content, total soluble solids content, and preharvest fruit drop). The constructed simple sequence repeat-based genetic linkage map of 'Akiakari' consisted of 208 loci and spanned 799 cM; that of 'Taihaku' consisted of 275 loci and spanned 1039 cM. Out of significant QTLs, two QTLs for harvest time, one for fruit skin color, and one for flesh firmness were stably detected in two successive years. The QTLs for harvest time were located at the bottom of linkage group (LG) Tai3 (nearest marker: BGA35) and at the top of LG Tai15 (nearest markers: PPACS2 and MEST050), in good accordance with results of genome-wide association study. The PPACS2 gene, a member of the ACC synthase gene family, may control harvest time, preharvest fruit drop, and fruit storage potential. One major QTL associated with fruit skin color was identified at the top of LG 8. QTLs identified in this study would be useful for marker-assisted selection in Japanese pear breeding programs 
650 4 |a Journal Article 
650 4 |a Akiakari 
650 4 |a SSR marker 
650 4 |a Taihaku 
650 4 |a fruit traits 
650 4 |a genetic linkage map 
650 4 |a quantitative trait locus 
700 1 |a Terakami, Shingo  |e verfasserin  |4 aut 
700 1 |a Takada, Norio  |e verfasserin  |4 aut 
700 1 |a Nishio, Sogo  |e verfasserin  |4 aut 
700 1 |a Onoue, Noriyuki  |e verfasserin  |4 aut 
700 1 |a Nishitani, Chikako  |e verfasserin  |4 aut 
700 1 |a Kunihisa, Miyuki  |e verfasserin  |4 aut 
700 1 |a Inoue, Eiichi  |e verfasserin  |4 aut 
700 1 |a Iwata, Hiroyoshi  |e verfasserin  |4 aut 
700 1 |a Hayashi, Takeshi  |e verfasserin  |4 aut 
700 1 |a Itai, Akihiro  |e verfasserin  |4 aut 
700 1 |a Saito, Toshihiro  |e verfasserin  |4 aut 
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773 1 8 |g volume:64  |g year:2014  |g number:4  |g day:01  |g month:12  |g pages:351-61 
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