Number of screened markers

Type of SSR makers

Polymorphism (%) of amplified SSR markers

SSR marker source

20

EST-SSR of lettuce (L. sativa L.)

1/20 (5%)

Jeuken et al. (2008)

61

EST-SSR of lettuce (L. sativa L.)

30/61 (49.2%)

Simko (2009)

267

EST-SSR of lettuce (L. sativa L.) singletons

47/267 (17.6%)

Hong et al. (2013)

22

EST-SSR of lettuce (L. sativa L.) contigs

4/22 (18.2%)

Hong et al. (2013) and in this study

Total 370

82/370 (22.2%)