TABLE 2.
Pairwise statistical comparisons of community-level catabolic profiles (CLCP) of rhizosphere samples from T4 lysozyme-producing plants (DL4 and DL5) and control plants (DES and DC1) and aerobe bacterial plate counts
| Field | Plant growth stage | Significant difference in CLCP of rhizosphere samples in plant lines (8 replicates; P < 0.1)a:
|
Plate countb
|
||||||
|---|---|---|---|---|---|---|---|---|---|
| DES-DL4 | DC1-DL4 | DES-DL5 | DC1-DL5 | DES | DC1 | DL4 | DL5 | ||
| L (1st yr) | Young | Yes | 7.2 | 7.1 | 7.0 | 7.2 | |||
| Flowering | 7.9 | 7.7 | 7.7 | 7.7 | |||||
| Senescent | Yes | Yes | 7.6 | 7.5 | 7.6 | 7.7 | |||
| Q (1st yr) | Young | 7.8 | 7.7 | 7.7 | 7.7 | ||||
| Flowering | Yes | 7.8 | 7.7 | 7.8 | 7.8 | ||||
| Senescent | Yes | Yes | 7.8A | 7.8A | 9.0B | 7.9A | |||
| L (2nd yr) | Young | Yes | Yes | 7.3 | 7.1 | 7.2 | 7.4 | ||
| Flowering | 8.2 | 8.2 | 8.3 | 8.2 | |||||
| Senescent | 8.6 | 8.7 | 8.6 | 8.5 | |||||
| Q (2nd yr) | Senescent | Yes | Yes | 8.2A | 8.0A,B | 7.9B | 8.1A | ||
a
MANOVA on the first five PCs (details in Materials and Methods).
b
Average log10 CFU g−1 (wet weight) of root. Significant differences within a sampling are indicated by different letters (ANOVA; P < 0.1).