Positive Selection: A simple technique for improving seed potato quality and potato productivity among smallholder farmers.

Kakuhenzire, R.; Lemaga, B.; Tibanyendera, D.; Borus, D.; Kashaija, I.; Namugga, P.; Schulte-Geldermann, E. 2013. Positive Selection: A simple technique for improving seed potato quality and potato productivity among smallholder farmers. In: Hannweg, K. Penter, M. (eds). Proceedings of the Second All Africa Horticulture Congress. 2. All Africa Horticulture Congress. Kruger National Park (South Africa). 15-20 Jan 2012. Kruger National Park (South Africa). International Society for Horticultural Science (ISHS). ISBN 978-90-66056-66-4. pp. 225-233.