Table S1. Characteristics of SSR markers used in the study. Observed size range in bp and allele number detected in cherry germplasm. P. avium P. cerasus P. fruticosa P. mahaleb c Obs. size No of Obs. size No of Obs. size No of Obs. size No of range alleles range alleles range alleles range alleles BPPCT005 143-199 134-315 1-2 143-210 1-2 157 1 143-157 1-2 BPPCT006 99-137 85 1 85 1 85 1 85 1 BPPCT008 101-193 101-275 1-2 101-275 2-3 101-148 1-2 101-148 1-2 BPPCT022 133-350 99-214 1-2 99-214 1-2 99-214 2 214 1 BPPCT027 246-248 237-249 1 237-249 1 249 1 237 1 BPPCT028 151-173 255-403 1-2 155-403 1-4 155-307 1-2 155-403 1-2 BPPCT032 158-206 158-238 1-2 158-238 1-3 158-238 1-3 158 1 BPPCT034 216-258 216-258 1-2 216-258 1-3 216-258 1-3 216-258 1-2 BPPCT036 246-253 253 1 253 1 253 1 253 1 BPPCT038 101-143 101-163 1-2 101-163 2-3 101-163 3 135-190 1-2 BPPCT041 201-220 201 1 201-220 1-2 201-220 1-2 201-220 1-2 BPPCT042 215-250 240 1 240 1 240 1 240 1 M12a 176 185-300 1-2 176-298 2-3 176-298 2-3 176-298 2 M3b 224 357 1 357-375 1-2 357 1 325-375 1-2 MA017a 164 324 1 324 1 324 1 120-148 1-2 MA053a 234 300-344 1-2 300-360 1-2 300-344 2 190-344 2 UCD-CH12 173-200 180-200 1-2 180-200 1-2 180-200 2 180-200 1-2 UCD-CH14 139-147 193-215 1-2 193-215 1-3 193-215 2 193-203 1-2 UCD-CH17 186-190 162-216 1-2 162-216 1-2 152-162 1-2 152 1 UCD-CH19 122 122-138 1-2 122-146 1-2 122-146 1-2 146 1 UCD-CH31 111-148 100-148 1-2 125-148 1-2 138-148 2 100-125 1-2 UCD-CH39 122-146 142-260 1-2 142-334 1-3 146 1 146-240 1-2 UDP-018 240-272 248 1 248-272 1-2 248 1 248 1 UDP-403 155-159 125-487 1-2 103-487 2-4 103-155 1-2 103-155 1-2 UDP-406 105-123 105 1 105-123 1-2 105 1 105-123 1 UDP-409 134-136 122 1 122-150 1-2 122 1 122-150 1-2 a Alleles size range published in original research (Cipriani et al 1999; Dirlewanger et al, 2002; Struss et al, 2003) b Observed allele sizes in cherry germplasm c Number of observed alleles per analyzed accession a Marker Exp. size range b P. serrulata Obs. size No of range alleles 157 1 85 1 113-148 1-2 99-214 1-2 249 1 190 1 158-238 1-2 228-258 1-2 253 1 143-163 2 201-220 1-2 240 1 208-254 1-2 357 1 160-220 1-2 200 1 203 1 162-194 1-2 122-138 1 100-111 1-2 122-142 2 248-272 1-2 125-155 1-2 105-123 2 150 1