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Molecular mapping of high temperature tolerance in bread wheat adapted to the Eastern Gangetic Plain region of India

Published on Dec 1, 2013in Field Crops Research3.87
· DOI :10.1016/j.fcr.2013.08.004
Chhavi Tiwari2
Estimated H-index: 2
(Institute of Agricultural Sciences, Banaras Hindu University),
Hugh Wallwork19
Estimated H-index: 19
(South Australian Research and Development Institute)
+ 5 AuthorsArun K. Joshi7
Estimated H-index: 7
(Institute of Agricultural Sciences, Banaras Hindu University)
Abstract
Abstract The inheritance of tolerance to high temperature stress during the grain filling period was investigated via a QTL analysis based on 138 doubled haploid progeny of a cross between the wheat cultivars Berkut and Krichauff. Performance data were collected from three seasons, in each of which the material was planted both at the conventional time and a month later. A heat sensitivity index (HSI) was also used to monitor the effect of high temperature on grain yield, thousand grain weight, grain filling duration and canopy temperature. Using composite interval mapping, seven stable QTL were identified for HSI of traits, mapping to chromosomes 1D, 6B, 2D and 7A. Three of the QTL related to HSI of grain filling duration, two to thousand grain weight and one each to grain yield and canopy temperature. A region of chromosome 1D harbored a QTL determining HSI of both thousand grain weight and canopy temperature. The QTL analysis for the direct traits GY, TGW, GFD and CT led to detection of 22 QTLs spread over to 17 chromosomal regions. Of these 13 QTLs were shown under normal sown, while 9 under the heat stress. A QTL for TGW on chromosome 6B under normal sown co-located with HSI(TGW) QTL QHTgw.bhu-6BL . QTL × environment interactions were not observed for any of the grain filling duration associated loci.
  • References (49)
  • Citations (12)
References49
Newest
#1Rajneesh Paliwal (BHU: Banaras Hindu University)H-Index: 2
#2Marion S. Röder (Leibniz Association)H-Index: 55
Last.A. K. Joshi (CIMMYT: International Maize and Wheat Improvement Center)H-Index: 31
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#1S WangH-Index: 1
Last.Zhao-Bang ZengH-Index: 41
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#1R. Suzuky Pinto (CIMMYT: International Maize and Wheat Improvement Center)H-Index: 1
#2Matthew P. Reynolds (CIMMYT: International Maize and Wheat Improvement Center)H-Index: 61
Last.Scott C. Chapman (CSIRO: Commonwealth Scientific and Industrial Research Organisation)H-Index: 48
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#1Yusuf Genc (University of Adelaide)H-Index: 17
#2Klaus Oldach (University of Adelaide)H-Index: 7
Last.G. K. McDonald (University of Adelaide)H-Index: 29
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#1K. Vijayalakshmi (KSU: Kansas State University)H-Index: 7
#2Allan K. Fritz (KSU: Kansas State University)H-Index: 24
Last.Bikram S. Gill (KSU: Kansas State University)H-Index: 54
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#1R. Esten Mason (CIMMYT: International Maize and Wheat Improvement Center)H-Index: 8
#2Suchismita Mondal (A&M: Texas A&M University)H-Index: 4
Last.Dirk B. Hays (A&M: Texas A&M University)H-Index: 14
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#1Muhammad Jamil (UOS: University of Sargodha)H-Index: 1
#2Aamir Ali (UOS: University of Sargodha)H-Index: 9
Last.Nasim Ahmad Yasin (University of the Punjab)H-Index: 3
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#1Deepmala Sehgal (CIMMYT: International Maize and Wheat Improvement Center)H-Index: 14
#2Nikita BaliyanH-Index: 1
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#1Shabir H. Wani (MSU: Michigan State University)H-Index: 6
#2Mukesh Choudhary (ICAR: Indian Council of Agricultural Research)H-Index: 1
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#1Amit Kumar (Swami Vivekanand Subharti University)H-Index: 1
#2Rakesh Singh Sengar (H.I., S.I.: University of Agriculture, Faisalabad)H-Index: 6
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#1Hamid Shirdelmoghanloo (Australian Centre for Plant Functional Genomics)H-Index: 2
#2Julian Taylor (University of Adelaide)H-Index: 15
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