Fig. 3.

Seed colour of the Brassica material studied. (A) Yellow in B. rapa var. trilocularis (K-151); (B) black in B. oleracea var. alboglabra (no. 4003); (C) black, dark grey and brown in resynthesized B. napus (no. 7406); (D) brown seeds harvested from a C1 carrier; (E) selected seeds with brown spots/patches from a C2 carrier; (F) bulk seeds harvested from a C3d carrier; seeds with faint brown dots are difficult to detect by the naked eye; (G, H) mixtures of easily distinguishable yellow and brown seeds originating from C4 and C4d carriers, respectively; the brown seeds are slightly lighter in colour in the case of C4d; (I–K) selected seeds with brown spots/patches from plants carrying C5, C6 and C7, respectively; (L, M) yellow seeds harvested from plants with C8 and C9, respectively.