Identification of Lr37-Yr17-Sr38 in wheat cultivars of Huanghuai wheat region using molecular markers
2009
【Objective】 The objective of this work was to identify the wheat cultivars containing the Lr37-Yr17-Sr38 using molecular makers,providing materials and theory for new cultivars breeding.【Method】 The Lr37-Yr17-Sr38 cluster was detected by PCR marker specific for the N genome,CAPS marker and pedigree and 126 wheat cultivars were analyzed.【Result】 Out of 126 cultivars,12 cultivars(Lankao 906,Zheng 2062,Xinong 739,Shan 872,Xiaoyan 216,Shan 538,Shan 515,Datang 991,0020-332,2871 and 378) were identified to contain the Lr37-Yr17-Sr38.【Conclusion】 To some extent,Yr17-Lr37-Sr38 cluster exists in Huanghuai wheat region.It's presumed Lankao 906 is one of the most important mainly diffuse cultivars of Lr37-Yr17-Sr38 in China.
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