Alternative media to sawdust for minisett propagation of seed yam (Dioscorea spp.)

Minisetts from Dioscorea alata (water yam) and D. rotundata (white guinea yam) were planted in various media. There was 78-92% sprouting in topsoil, rice husk and sawdust, but only a 69% in river sand. Sprouting was 73-92% in mixtures that included topsoil and rotten palm fibre or rice husk. D. alata had 88-96% sprouting, while D. rotundata had 73-76%.