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Phenotypic characterization of wild type (WT), ny1 and ny2 mutant lines. (a) Plant morphology of the WT, ny1 and ny2 mutants at mature stage. Bars = 20 cm. (b) Mature panicles. Bars = 1 cm. (c) Pollen grains observed by whole-mount eosin B-staining confocal laser scanning microscopy (WE-CLSM). Bars = 100 μm. (d) Florets. Bars = 1 mm. (e) I2-KI staining of pollen grains. Bars = 50 μm. (f) Pistils. Bars = 1 mm. (g) Mature embryo sac. Bars = 100 μm.
