VEGETATIVE COMPATIBILITY GROUPS OF FUSARIUM OXYSPORUM, THE CAUSAL ORGANISM OF VASCULAR WILT ON ROSELLE IN MALAYSIA
Forty strains of Fusarium oxysporvm isolated from roselle (Hibiscus sabdariffa var.sabdariffa) showing vascular wilt symptoms in three states (Terengganu, Penang and Ipoh) in the northern MEN SWEATSHIRT Malaysian Peninsula were used to investigate the vegetative co mpatibility.Nitrate-nonutilizing (nil) mutants were recovered from all the strains t