000 nab a22 7a 4500
999 _c59423
_d59415
001 59423
003 MX-TxCIM
005 20191219160249.0
008 180416s2017 ne |||p|op||| 00| 0 eng d
024 8 _ahttps://doi.org/10.1007/s10681-017-2002-5
040 _aMX-TxCIM
041 _aeng
100 0 _97010
_aShenkui Shi
245 1 0 _aMapping QTL for stay-green and agronomic traits in wheat under diverse water regimes
260 _aNetherlands :
_bSpringer,
_c2017.
500 _aPeer review
501 _aOpen Access
520 _aWheat (Triticum aestivum L.) yield is directly proportional to physio-morphological traits. A high-density genetic map consisting of 2575 markers was used for mapping QTL controlling stay-green and agronomic traits in wheat grown under four diverse water regimes. A total of 108 additive QTL were identified in target traits. Among them, 28 QTL for chlorophyll content (CC) were detected on 11 chromosomes, 43 for normalized difference vegetation index (NDVI) on all chromosomes except 5B, 5D, and 7D, five for spikes per plant (NSP) on different chromosomes, nine for plant height (PH) on four chromosomes, and 23 for thousand-kernel weight (TKW) on 11 chromosomes. Considering all traits, the phenotypic variation explained (PVE) ranged from 3.61 to 41.62%. A major QTL, QNDVI.cgb-5A.7, for NDVI with a maximum PVE of 20.21%, was located on chromosome 5A. A stable and major PH QTL was observed on chromosome 4D with a PVE close to 40%. Most distances between QTL and corresponding flanking markers were less than 1 cM, and approximately one-third of the QTL coincided with markers. Each of 16 QTL clusters on 10 chromosomes controlled more than one trait and therefore could be regarded as pleiotropic regions in response to different water regimes. Forty-one epistatic QTL were identified for all traits having PVE of 6.00 to 25.07%. Validated QTL closely linked to flanking markers will be beneficial for marker-assisted selection in improving drought-tolerance in wheat.
526 _aWC
_cFP2
546 _aText in English
591 _aHuihui Li : No CIMMYT Affiliation
650 7 _91082
_aDrought tolerance
_2AGROVOC
650 7 _91296
_aTriticum aestivum
_2AGROVOC
650 7 _91853
_aQuantitative Trait Loci
_2AGROVOC
700 0 _97011
_aFarooq I. Azam
700 0 _9764
_aHuihui Li
_gGenetic Resources Program
_8CLIH01
700 0 _94598
_aXiaoping Chang
700 0 _97012
_aBaoyun Li
700 0 _92023
_aRuilian Jing
773 0 _gv. 2013, no. 11, art. 246
_tEuphytica
_wu444298
_x0014-2336 (Paper) 1573-5060 (Online)
856 4 _yOpen Access through DSpace
_uhttps://hdl.handle.net/10883/19479
942 _2ddc
_cJA
_n0