Fig. 5. Iodine staining of pollen from line (A3)Rf3Rf3rf4r4 pollinated with A) (B3)FL4 (rf3rf3Rf4Rf4) and B) IS1112C (Rf3Rf3Rf4Rf4), resulting in approximately 25 and 50% staining, respectively. Note partially filled grains in each line, as previously described (Tang et al., 1998).