Figure 4.

Eggplant anthers at different stages of development (A). Different stages of development of the pollen, tetrad (B), young microspore (C), medium microspore (D), vacuolated microspore (E), young pollen (F) and mature pollen stages (G). These have been the stages chosen to define the classes used to train the prediction model algorithm. The predominant stage of pollen development that each contained within each anther inside approximately corresponds to the state indicated in the image to the right of each anther size. The squares in the left images measure 1 mm, while the bar in the images in the right part of the figure measure 20 µm.