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Representative anther phenotypes of SH, NH, and NB in Anyang and Jiujiang. (A–C) Pollen from NB, NH, and SH in Anyang. (D–F) Pollen from NB, NH, and SH in Jiujiang. The fertile pollen grains were stained dark red and sterile pollen grains were stained bright yellow. Scale bars: 200 μm.
