Figure 5

Schematic view of formation of diploid yellow potato anther cell layers. The diagram shows the relationship between the stages of flower bud development and the duration expressed in days. The left side of the figure details the first six stages (0 to 6) of anther development; while the right side of the image shows stages 7 to 10. D Dyads, E epidermis, En endothecium, L1, L2 lines of primordia of the stamen, Ml midline, Msp microspore, Pc procambial cells, PG pollen grain, Pl parietal line, PMC pollen mother cell, Sc sporangial cells, Sr stomium region, St septum, T tapetum, Tds tetrads, V vascular tissue. Asterisk: corresponds to the number of days after emergence. Scheme devised and recreated by the authors with images illustrated by Camila Reyes and Angie Carvajal.