Virulence potential Isolate No. Amplicons of SIX1 Amplicons of SIX5 Amplicons of SIX6
Hyper-virulent isolates 2 + + +
4 + + +
5 + + +
15 - + +
Moderate isolates 1 + - -
3 + + +
6 + - -
7 + + -
9 + - +
10 + - +
11 + - -
13 + - +
Hypo-virulent isolates 8 - - -
12 - - -
14 - - +
Table 4: Aggressiveness levels of 15 Fusarium oxysporum isolates and amplicons of SIX1, SIX5 and SIX6