Figure 1

Flowers and anthers of the WT and the GMS mutant. From left to right: (A) Flower of G. hirsutum ‘Dong A’ (left) and GMS mutant of ‘Dong A’ (right); (B) anthers of the WT (left) and the GMS mutant (right) 1day post anthesis (DPA); (C) results of pollen stained with 2% I₂-KI from 0 DPA flowers in the WT (left) and the GMS mutant (right) (10 × 40 view).