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Flowers and pollen grains of the wild type (WT) and GMS mutant. Floral phenotypes of G. hirsutum ‘Dong A’ (WT: A) and GMS mutant of ‘Dong A’ (WT: B). Pollen grains stained with 2% I2-KI at 0 DPA of the WT (C) and the GMS mutant anther (D). Scale bar = 100 μm.
