Identification of four haplotypes at the Rps4 region in HARO4272. Dotted lines represent genomic region for which no information is available. M1, M2, and M3 are mutants; H1, haplotype for M1; H2, haplotype for M2; H, Harosoy haplotype; Hw, HARO4272 haplotype. M1 and M3 are different only for Satt472.