Table 3-B.
Phylogenetic composition of sugar beet-associated bacteria
| Phylogeentic compositiona | Libraries (%) | |||
|---|---|---|---|---|
|
| ||||
| Site SA | Site SB | |||
|
|
|
|||
| Cb | UFb | C | UF | |
| Proteobacteria | 71.4 | 67.4 | 76.3 | 69.7 |
| Alphaproteobacteria | 23.8 | 29.2 | 48.8 | 36.0 |
| Unclassified Bradyrhizobiaceae | 8.3 | 10.1 | 12.5 | 4.5 |
| Other genera | 15.5 | 19.1 | 36.3 | 31.5 |
| Betaproteobacteria | 3.6 | 6.7 | 13.8 | 5.6 |
| Polaromonas | 1.2 | — | 10.0 | —** |
| Other genera | 2.4 | 6.7 | 3.8 | 5.6 |
| Gammaproteobacteria | 40.5 | 29.2 | 8.8 | 23.6** |
| Aquicella | — | 4.5 | 1.3 | 10.1* |
| Pseudomonas | 22.6 | 4.5** | — | — |
| Unclassified | ||||
| Gammaproteobacteria | 8.3 | 10.1 | 7.5 | 10.1 |
| Other genera | 9.6 | 10.1 | — | 3.4 |
| Deltaproteobacteria | — | — | — | 1.1 |
| Unclassified Proteobacteria | 3.6 | 2.2 | 5.0 | 3.4 |
| Planctomycetes | 10.7 | 11.2 | 11.3 | 15.7 |
| Firmicutes | 4.8 | 5.6 | 2.5 | 1.1 |
| Actinobacteria | 2.4 | 1.1 | 2.5 | 5.6 |
| Verrucomicrobia | 3.6 | 7.9 | 3.8 | 6.7 |
| Spartobacteria genera incertae sedis | 2.4 | 4.5 | 3.8 | 6.7 |
| Other genera | 1.2 | 3.4 | — | — |
| Acidobacteria | 1.2 | — | — | — |
| Deinococcus-Thermus | — | 1.1 | — | — |
| Unclassified Bacteria | 6.0 | 5.6 | 3.8 | 1.1 |
a
16S rRNA gene sequences were classified by RDPII. The compositions of genera are shown for only dominant groups.
b
C and UF indicate conventional and UF fertilization, respectively.
* and **
indicate significance at the 1 and 5% levels (P < 0.01 and P < 0.05), respectively, calculated with the Library Compare of RDP II, between the conventional and UF fertilizations (C and UF, respectively).