Figure 6.
Ctf1 is not required for virulence of F. oxysporum. Incidence of Fusarium wilt caused on tomato plants (cultivar Vemar). Severity of disease symptoms was recorded at different times after inoculation, using an index ranging from 1 (healthy plant) to 5 (dead plant). Symbols refer to plants inoculated with the wild‐type strain 4287 (filled diamonds), loss‐of‐function mutant Δctf1 (open squares), constitutive mutant ctf1C (filled triangles) and the water control (open circles). Error bars represent standard deviations from 20 plants for each treatment. The experiment was repeated twice with similar results.