Table 1. Identification of bacteria competing for nodulation on V. unguiculata.
NGR234 vs. USDA257 | ||||
Cell ratio | 100/1 | 50/50 | 1/100 | |
Nodules/plants analyzed | 120/10 | 120/11 | 113/11 | |
Nodule occupancy | NGR234 | 115 (95.9) | 102 (85.0) | 64 (56.6) |
USDA257 | 0 (0.0) | 5 (4.2) | 20 (17.7) | |
mixed – NGR234 spectra | 4 (3.3) | 4 (3.3) | 5 (4.4) | |
mixed – USDA257 spectra | 1 (0.8) | 9 (7.5) | 24 (21.2) | |
Numbers of manual inputs in MALDI analysis | 11 (9.2) | 3 (2.5) | 2 (1.8) |
% of total nodules are shown in brackets.