Pollen viability of P. ‘Fuller’s Sunset’ (a) and P. ‘Geumgongju’ (b) as evaluated by TTC staining at different flowering stages. Flower developmental stages are defined as: (1) flower fully open, (2) one day after flowering, (3) two days after flowering, (4) three days after flowering, and (5) five days after flowering.

Korean J. Breed. Sci. 2023;55:287-95 https://doi.org/10.9787/KJBS.2023.55.4.287

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