Comparative analysis of the complete chloroplast genomes of seven Populus species: Insights into alternative female parents of Populus tomentosa
Fig 5
Comparison of SSRs among the seven cp genomes.
(A) The number of SSRs detected in seven Populus cp genomes. (B) The number of SSR types detected in seven Populus cp genomes: P1, mononucleotide repeat; P2, dinucleotide repeat, P3, trinucleotide repeat and C, compound repeat (C) Frequencies of identified SSRs.