Table 5. Geographical population structure measured by ФPT between Fusarium oxysporum f. sp. niveum populations in the southeastern United States.
| Populationa | ||||
|---|---|---|---|---|
| Population | GA1 | GA2 | GA3 | FL |
| GA1 | … | |||
| GA2 | 0.00 ns | … | ||
| GA3 | 0.122**b | 0.096 ns | … | |
| FL | 0.651*** | 0.585 *** | 0.321*** | … |
a Four populations were sampled: Berrien county, Georgia (GA1), Cook county, Georgia (GA2), Tift county, Georgia (GA3), Florida (FL).
b Pairwise population differentiation was measured by Excoffier’s ФPT (Excoffier et al.1992), an analog of Fst analysis measured via analysis of molecular variance, using GenAlEx v.6.503 (Peakall and Smouse 2006).
Significance levels (ns = not significant, * = P≤0.05, ** = P≤0.01, *** = P≤0.002) are based on P values determined by 1000 permutations of the data.