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Received: 2007-09-11

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Journal of Zhejiang University SCIENCE B 2007 Vol.8 No.11 P.807-814

http://doi.org/10.1631/jzus.2007.B0807


QTL analysis for some quantitative traits in bread wheat


Author(s):  PUSHPENDRA Kumar Gupta, HARINDRA Singh Balyan, PAWAN Laxminarayan Kulwal, NEERAJ Kumar, AJAY Kumar, REYAZUL Rouf Mir, AMITA Mohan, JITENDRA Kumar

Affiliation(s):  Molecular Biology Laboratory, Department of Genetics and Plant Breeding, Chaudhary Charan Singh University, Meerut 250 004, India

Corresponding email(s):   pkgupta36@gmail.com

Key Words:  Quantitative trait loci (QTL) analysis, Grain quality traits, Grain protein content, Pre-harvest sprouting tolerance (PHST), Grain weight, Mapping populations, Bread wheat


PUSHPENDRA Kumar Gupta, HARINDRA Singh Balyan, PAWAN Laxminarayan Kulwal, NEERAJ Kumar, AJAY Kumar, REYAZUL Rouf Mir, AMITA Mohan, JITENDRA Kumar. QTL analysis for some quantitative traits in bread wheat[J]. Journal of Zhejiang University Science B, 2007, 8(11): 807-814.

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author="PUSHPENDRA Kumar Gupta, HARINDRA Singh Balyan, PAWAN Laxminarayan Kulwal, NEERAJ Kumar, AJAY Kumar, REYAZUL Rouf Mir, AMITA Mohan, JITENDRA Kumar",
journal="Journal of Zhejiang University Science B",
volume="8",
number="11",
pages="807-814",
year="2007",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2007.B0807"
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A1 - HARINDRA Singh Balyan
A1 - PAWAN Laxminarayan Kulwal
A1 - NEERAJ Kumar
A1 - AJAY Kumar
A1 - REYAZUL Rouf Mir
A1 - AMITA Mohan
A1 - JITENDRA Kumar
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DOI - 10.1631/jzus.2007.B0807


Abstract: 
quantitative trait loci (QTL) analysis was conducted in bread wheat for 14 important traits utilizing data from four different mapping populations involving different approaches of QTL analysis. Analysis for grain protein content (GPC) suggested that the major part of genetic variation for this trait is due to environmental interactions. In contrast, pre-harvest sprouting tolerance (PHST) was controlled mainly by main effect QTL (M-QTL) with very little genetic variation due to environmental interactions; a major QTL for PHST was detected on chromosome arm 3AL. For grain weight, one QTL each was detected on chromosome arms 1AS, 2BS and 7AS. QTL for 4 growth related traits taken together detected by different methods ranged from 37 to 40; nine QTL that were detected by single-locus as well as two-locus analyses were all M-QTL. Similarly, single-locus and two-locus QTL analyses for seven yield and yield contributing traits in two populations respectively allowed detection of 25 and 50 QTL by composite interval mapping (CIM), 16 and 25 QTL by multiple-trait composite interval mapping (MCIM) and 38 and 37 QTL by two-locus analyses. These studies should prove useful in QTL cloning and wheat improvement through marker aided selection.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1] Kulwal, P.L., Singh, R., Balyan, H.S., Gupta, P.K., 2004. Genetic basis of pre-harvest sprouting tolerance using single-locus and two-locus QTL analyses in bread wheat. Funct. Integr. Genomics, 4(2):94-101.

[2] Kulwal, P.L., Kumar, N., Kumar, A., Gupta, R.K., Balyan, H.S., Gupta, P.K., 2005a. Gene networks in hexaploid wheat: interacting quantitative trait loci for grain protein content. Funct. Integr. Genomics, 5(4):254-259.

[3] Kulwal, P.L., Kumar, N., Gaur, A., Khurana, P., Khurana, J.P., Tyagi, A.K., Balyan, H.S., Gupta, P.K., 2005b. Mapping of a major QTL for pre-harvest sprouting tolerance on chromosome 3A in bread wheat. Theor. Appl. Genet., 111(6):1052-1059.

[4] Kumar, N., Kulwal, P.L., Gaur, A., Tyagi, A.K., Khurana, J.P., Khurana, P., Balyan, H.S., Gupta, P.K., 2006. QTL analysis for grain weight in common wheat. Euphytica, 151(2):135-144.

[5] Kumar, N., Kulwal, P.L., Balyan, H.S., Gupta, P.K., 2007. QTL mapping for yield and yield contributing traits in two mapping populations of bread wheat. Mol. Breeding, 19(2):163-177.

[6] Prasad, M., Kumar, N., Kulwal, P.L., Röder, M., Balyan, H.S., Dhaliwal, H.S., Gupta, P.K., 2003. QTL analysis for grain protein content using SSR markers and validation studies using NILs in bread wheat. Theor. Appl. Genet., 106(4):659-667.

[7] Wang, D.L., Zhu, J., Li, Z.K., Paterson, A.H., 1999. A Computer Software for Mapping Quantitative Trait Loci: QTL with Main Effects, Epistatic Effects and QTL-Environment Interactions. User Manual for QTL Map Version 1.0. Zhejiang University Press, Hangzhou, China.

[8] Wang, S., Basten, C.J., Zeng, Z., 2004. Window QTL Cartographer. V. 2.0 Program in Statistical Genetics. North Carolina State University, North Carolina. http://www.statgen.ncsu.edu/qtlcart/WQTLCart.htm

[9] Yang, J., Hu, C.C., Ye, X.Z., Zhu, J., 2005. QTLNetwork 2.0. Institute of Bioinformatics, Zhejiang University, Hangzhou, China. Http://ibi.zju.edu.cn/software/qtlnetwork

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