Using SNP haplotypes to study gene flow in a P. vulgaris wild-weed-crop complex from Colombia : A pilot study - Quintero, C.; González Torres, Rosa Inés; Gaitán Solís, Eliana; Hidalgo, R.; Toro Chica, Orlando; Debouck, Daniel G.; Tohme, Joseph M. (International Center for Tropical Agriculture, 2007)