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Volker Mohler Rudy Lukman Sophia Ortiz-Islas Manilal William Anthony John Worland Janny van Beem Gerhard Wenzel 《Euphytica》2004,138(1):33-40
Photoperiod response is a major determinant of duration of growing stages in wheat. Conscious selection for these photoperiod
response genes in plant breeding programs will yield genotypes with better adaptation to diverse environments. To provide
a starting point for the development of molecular markers useful for the selection process, genetic maps around the photoperiod
insensitive gene Ppd-B1 were built employing three segregating populations. Of 25 markers that were selected for the Ppd-B1 region, only two could be mapped across all three populations. In pairwise comparisons, the extent of transferable markers
ranged from three to eight. Recombination frequencies of markers distal to Ppd-B1 were more homogeneous than those of proximal markers. This finding suggested a closer proximity of Ppd-B1 to the markers that were mapped distal to breakpoint 0.83 in the physical map of chromosome 2BS.
This revised version was published online in August 2006 with corrections to the Cover Date. 相似文献
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