Fig. 7.

DAPI-stained developing pollen grains in B. oleracea var. oleracea floral buds. Bright-field images of pollens in less than 2 mm floral buds (a), 2 ~ 4 mm buds (b), 4 ~ 6 mm buds (c), 6 ~ 8 mm buds (g), 8 ~ 10 mm buds (h), and open flowers (i). Fluorescence images of DAPI-stained pollens in less than 2 mm floral buds (d), 2 ~ 4 mm buds (e), 4 ~ 6 mm buds (f), 6 ~ 8 mm buds (j), 8 ~ 10 mm buds (k), and open flowers (l). Scale bar: 20 μm