Mapping self-fertility for hybrid breeding in perennial ryegrass (Lolium perenne L.).
2019
COPRANO, C. | MANZANARES, C. | YATES, S. | DO CANTO, J. | BOERBOOM, N. | KOCH, M. | WOLTERS, L. | LÜBBERSTEDT, T. | STUDER, B.
Self-incompatibility (SI) prevents the creation of homozygous parental lines by selfpollination for hybrid breeding in perennial ryegrass (Lolium perenne L.). Although SI is highly effective, its breakdown leading to self-fertility (SF) has been reported. Recent research has fine-mapped one major locus conferring SF in a perennial ryegrass population to a 1.6 cM region on linkage group (LG) 5 (Do Canto et al., 2017). Our goal was to confirm, by marker-trait association using genome-wide markers, this previously described locus as being solely responsible for SF variation.
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