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 Malaysian Peninsula were used to investigate the vegetative co mpatibility.Nitrate-nonutilizing (nil) mutants were Ott-Antonsen ansatz truncation of a circular cu