TABLE 5.
Analyses of variance for dry aerial biomasses and nodule numbers of plants
| Inoculanta | Effect | df | Aerial biomass
|
Nodule no.
|
||
|---|---|---|---|---|---|---|
| F | Pb | F | Pb | |||
| All single genotypes | Plant line | 3 | 24.8 | *** | 118.6 | *** |
| Bacterial genotype (species) | 10 | 120.8 | *** | 10.6 | *** | |
| Bacterial species | 1 | 7.3 | ** | 11.1 | *** | |
| Plant line-bacterial species | 3 | 2.9 | * | 1.0 | NS | |
| Plant line-bacterial genotype (species) | 30 | 3.8 | *** | 5.3 | *** | |
| Two intraspecific mixtures | Plant line | 3 | 0.8 | NS | 5.7 | ** |
| Species mixture | 1 | 5.1 | * | 2.9 | NS | |
| Plant-bacteria | 3 | 0.2 | NS | 1.8 | NS | |
| S. medicae (single | Plant line | 3 | 10.0 | *** | 52.1 | *** |
| genotypes and mixture) | Bacterial genotype | 4 | 102.3 | *** | 2.8 | * |
| Plant-bacteria | 12 | 2.6 | ** | 4.2 | *** | |
| S. meliloti (single | Plant line | 3 | 15.2 | *** | 100.1 | *** |
| genotypes and mixture) | Bacterial genotype | 8 | 137.6 | *** | 13.6 | *** |
| Plant-bacteria | 24 | 4.7 | *** | 6.2 | *** | |
a
The plants were inoculated with (top to bottom) the 12 bacterial genotypes independently, the two intraspecific mixtures, the four S. medicae genotypes and the S. medicae intraspecific mixture, or the eight S. meliloti genotypes and the S. meliloti intraspecific mixture.
b
*, P ≤ 0.05; **, P ≤ 0.01; ***, P ≤ 0.001; NS, P > 0.05.