Fig. 7

Genetic diversity analysis of 32 radish accessions with InDel markers. Amplification of 32 genotypes with InDel primers NAU InDel15 (a) and NAU InDel27 (b) by polyacrylamide gel electrophoresis, the UPGMA dendrogram of 32 radish genotypes based on 40 new InDel markers (c). M: 500 bp DNA ladder, the genotype name of numbers (1–32) were listed in Additional file 1: Table S1