Olwoch, Jane Mukarugwiza; Van Jaarsveld, A.S.; Scholtz, Clarke H.; Horak, Ivan Gerard(Agricultural Research Council, ARC-OVI and the University of Pretoria, 2007-03)
Mbao, V.; Berkvens, Dirk; Dorny, P.; Van den Bossche, Peter; Marcotty, Tanguy(Agricultural Research Council, ARC-OVI and the University of Pretoria, 2007-03)