maize mutant phenotypes

Ds-Cbreaker Bt2; (Ds-4S1-Bt2) Ear from the cross of bt2 bt2 x Ds-4S1 Bt2/Ds-4S1 Bt2, Ac/-, with all purple kernels showing medium to small sized colorless brittle sectors and patches; the larger sectors are long, irregular in pattern and often branched.