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. 2022 Mar 29;23(7):3744. doi: 10.3390/ijms23073744

Figure 1.

Figure 1

Characteristics of fertile and sterile plants and pollen phenotypes of PA64S. (A) The phenotype of PA2364S and PA2864S plants under different temperature treatments. (B) Pollen fertility of PA2364S and PA2864S under different temperature treatments. (C) Anther phenotypes and electron microscopic observation of pollen grains in fertile and sterile plants. (IIII) show anther and SEM and TEM of pollen in fertile plants, respectively. (IVVI) show anther and SEM and TEM of pollen in plants, respectively. SG, starch granule; In, intine; Ne, nexine; Ba, bacula; Te, texine; Ub, Ubisch body. 23 °C-P23-F. Fertile plants under 23 °C treatment in PA2364S.