Résumé:
Our work aims to study three varieties of potato (Spunta, Arizona and desired)
Vegetative growth stage, tuberization stage and maturation stage in the region of Mostaganem.
The experimentation made it possible to appreciate the yield and the size of the varieties we obtained the following results: number of plant per assessment, number of tuber, size and number of stems, leaf area, are the morphological parameters are almost the same