PhD defence Seed degeneration of potato in the tropical highlands of Ecuador PhD candidate Israel I (Israel) Navarrete Cueva Promotor prof.dr.ir. PC (Paul) Struik Co-promotor dr.ir. CJM (Conny) Almekinders External copromotor dr JL Andrade-Piedra Organisation Wageningen University, Centre for Crop Systems Analysis Date Wed 17 November 2021 16:00 to 17:30 Venue Twitter Whatsapp Linkedin Email