TABLE 4.
Results of AMOVA showing the dynamics of bacterial populations nodulating the same plant in soil-cultivar combinations: comparison of isolates from the 1994 and 1997 samples
| Soil and cultivar | Source of variationa | Variance component | % of total | P value |
|---|---|---|---|---|
| Sandy loam soil, cv. Lodi | Among years | 2.062 | 41.85 | 0.00222 |
| Sandy loam soil, cv. Oneida | Among years | 1.349 | 35.04 | 0.00230 |
| Clay soil, cv. Lodi | Among years | 1.710 | 35.95 | 0.00188 |
| Clay soil, cv. Oneida | Among years | 0.698 | 17.39 | 0.00233 |
a
Data for only the first level (among years) of the hierarchical analysis are reported.