translate English to French: Malformed tubers There are several types of tuber malformations (knobby, dumbbell, pointed end and bottle neck) that vary in their timing of development and shape of deformity.
Tubercules mal formés Il existe plusieurs types de malformations du tubercule (tubercules noueux, en forme d’haltère ou de goulot de bouteille, pointus) qui varient quant au moment de leur apparition et de leur forme.