Both marker techniques were able to uniquely fingerprint each of the 29 bean
accessions. The levels of polymorphism detected with each marker technique and
the index comparing their informativeness are reported in Table 2. The total
number of assays was 10 and 14 primer combinations for AFLP and SSR,
respectively. The total number of polymorphic bands ranged from 112 for AFLP to
100 for SSR. An average number of 7.14 polymorphic bands per assay unit was
identified for SSR, while for AFLP this number increased to 11.20. Almost twofold
higher value of expected heterozygosity was calculated for SSR (0.63) than for
AFLP (0.32). The higher marker index value observed for AFLP (3.56) in
comparison to SSR (0.63) is the result of a relatively high multiplex ratio
component (11.20) of the former