Final diagnosis


Synchytrium endobioticum (Potato wart disease)

Black cauliflower-like tumours on tubers. <i><b>Synchytrium endobioticum</i></b> (potato wart disease)
Tumours caused by potato wart on stems and stolons, below soil level. <i><b>Synchytrium endobioticum</i></b> (potato wart disease)