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Bright-field photographs of sections of anthers at different stages of development from TCON male sterile transformant and transformed control pepper plants. At the MMC stage, anther development showed no differences in the transformant and control. T, tapetum; MMC, microspore mother cell; Tds, tetrad; MNM, mononuclear microspore; black arrow indicated the degraded mononuclear microspore; * nucleus of the tapetum cell. Bars = 25 μm.
