NDLI: Identification of QTLs for Improvement of Plant Type in Rice (Oryza sativa L.) Using Koshihikari / Kasalath Chromosome Segment Substitution Lines and Backcross Progeny F2 Population

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Identification of QTLs for Improvement of Plant Type in Rice (Oryza sativa L.) Using Koshihikari / Kasalath Chromosome Segment Substitution Lines and Backcross Progeny F2 Population

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Identification of QTLs for Improvement of Plant Type in Rice (Oryza sativa L.) Using Koshihikari / Kasalath Chromosome Segment Substitution Lines and Backcross Progeny F2 Population

Content Provider	Taylor & Francis Online
Author	Ohsugi, Ryu Ebitani, Takeshi Kanbe, Takashi Yano, Masahiro Aoki, Naohiro Yamagishi, Tohru Sasaki, Haruto
Abstract	Thirty-nine chromosome segment substitution lines (CSSLs) population derived from a Koshihikari / Kasalath cross was used for quantitative trait locus (QTL) analysis of plant type in rice (Oryza sativa L.). Putative rough QTLs (26.2∼60.3cM of Kasalath chromosomal segments) for culm length, plant height, panicle number, chlorophyll content of flag leaf blade at heading and specific leaf weight, were mapped on the several chromosomal segments based on the comparison of CSSLs with Koshihikari in the field experiment for 3 years. In order to verify and narrow QTLs detected in CSSLs, we conducted QTL analyses using F2 populations derived from a cross between Koshihikari and target CSSL holding a putative rough QTL. The qPN-2, QTL for panicle number was mapped on chromosome 2. In traits of flag leaf, the qCHL-4-1 and qCHL-4-2 for chlorophyll content was mapped on chromosome 4, and the qSLW-7 for specific leaf weight on chromosome 7. All QTLs were detected in narrow marker intervals, compared with rough QTLs in CSSLs. The qPN-2, qCHL-4-1 and qCHL-4-2 had only additive effect. On the other hand, the qSLW-7 showed over-dominance. It could be emphasized that QTL analysis in the present study with the combination of CSSLs and backcross progeny F2 population can not only verify the rough QTLs detected in CSSLs but also estimate allelic effects on the QTL.
Starting Page	447
Ending Page	456
Page Count	10
File Format	PDF HTM / HTML
ISSN	1343943X 13491008
DOI	10.1626/pps.11.447
Journal	Plant Production Science
Volume Number	11
Issue Number	4
Language	English
Publisher	Taylor & Francis
Publisher Date	2015-12-03
Access Restriction	Open
Subject Keyword	Backcross progeny CSSLs Leaf Panicle Plant type QTL Rice (Oryza sativa L.)
Content Type	Text
Resource Type	Article
Subject	Agronomy and Crop Science

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Identifi cation of QTLs for Improvement of Plant Type in Rice ( Oryza sativa L . ) Using Koshihikari / Kasalath Chromosome Segment Substitution Lines and Backcross Progeny F 2 Population

The QTL Analysis of RuBisCO in Flag Leaves and Non-Structural Carbohydrates in Leaf Sheaths of Rice Using Chromosome Segment Substitution Lines and Backcross Progeny F2 Populations

Development of Chromosome Segment Substitution Lines (CSSLs) Derived from Guangxi Wild Rice (Oryza rufipogon Griff.) under Rice (Oryza sativa L.) Background and the Identification of QTLs for Plant Architecture, Agronomic Traits and Cold Tolerance

Development and evaluation of Oryza glaberrima Steud. chromosome segment substitution lines (CSSLs) in the background of O. sativa L. cv. Koshihikari

Validation of QTLs for Eating Quality of Japonica Rice ‘Koshihikari’ Using Backcross Inbred Lines

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Identification of quantitative trait loci for seed storability in rice (Oryza sativa L.)

Alleles Affecting 30 Traits for Productivity in Two Japonica Rice Varieties, Koshihikari and Nipponbare (Oryza sativa L.)

Construction and Evaluation of Chromosome Segment Substitution Lines Carrying Overlapping Chromosome Segments of indica Rice Cultivar ‘Kasalath’ in a Genetic Background of japonica Elite Cultivar ‘Koshihikari’

Identification of QTLs for Improvement of Plant Type in Rice (Oryza sativa L.) Using Koshihikari / Kasalath Chromosome Segment Substitution Lines and Backcross Progeny F2 Population

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