Fig. 5
a BC4F1 plants were screened with InDel 1327, M marker, H Rf2 heterozygous plants, C plants lacking the restorer gene Rf2, the full gel picture is supplied in Fig. S3. b Molecular identification of the CMS system hybrids and cotton varieties with InDel 1327 and atpA SCAR markers. M DL2000 DNA marker; A sterile line, B maintainer line, R restorer line, F1 A line ×R line, the full gel pictures are supplied in Fig. S4 and Fig. S5