A diagnostic key for sweetpotatoes, focused on SE Asia but including information relevant to the diagnosis of problems world wide.This diagnostic key was developed as part of a research project involving the University of Queensland, the International Potato Centre (CIP), PhilRootcrops in the Philippines and funded by the Australian Centre for International Agricultural Research (ACIAR) Sweetpotato Diagnotes is available both as an online resource, including the Lucid diagnostic key, as well as a Lucid Mobile app; both Android and Apple.