J. C. Kedera

Epidemiology and population dynamics of Phytophthora infestans in Sub-Saharan Africa: Progress and constraints

R. Nelson, G. Forbes, P. Ojiambo, 2001 .

Influence of spatial arrangements in maize/solanum potato intercrops on incidence of potato aphids and leaf hoppers in Uganda

R. Nelson, G. Forbes, P. Ojiambo, 2001 .