Research Article
Characterization of Rhizobia Isolated from Tigray Soil and Assessment of Their Effect on Germination and Seedling Vigor of Wheat and Field Pea
Table 6
Growth features of rhizobia isolates at different pH, temperature, and salt concentrations.
| Sampling site | Isolates | PH tolerant | Temperature (°C) tolerant | Temperature (°C) sensitive | NaCl tolerant (%) | NaCl sensitive (%) | CaCI2 tolerant (%) | CaCl2 sensitive (%) |
| Shiraro | SH1 | 4–9 | 10–45 | | 0.5–6 | | 0.5–5 | 6 | SH2 | 4–9 | 10–45 | | 0.5–6 | | 0.5–5 | 6 | SH3 | 4–9 | 10–45 | | 0.5–6 | | 0.5–5 | 6 | SH4 | 4–9 | 10–37 | 45 | 0.5–6 | | 0.5–4 | 5-6 | SH5 | 4–9 | 10–37 | 45 | 0.5–6 | | 0.5–4 | 5-6 |
| Korem | KO1 | 4–9 | 10–37 | 45 | 0.5–6 | | 0.5–4 | 5-6 | KO2 | 4–9 | 10–37 | 45 | 0.5–6 | | 0.5–4 | 5-6 | KO3 | 4–9 | 10–37 | 45 | 0.5–6 | | 0.5–4 | 5-6 | KO4 | 4–9 | 10–37 | 45 | 0.5–3 | 4–6 | 0.5–4 | 5-6 | KO5 | 4–9 | 10–45 | | 0.5–6 | | 0.5–6 | | KO6 | 4–9 | 10–45 | | 0.5–6 | | 0.5–5 | 6 | KO7 | 4–9 | 10–37 | 45 | 0.5–5 | 6 | 0.5–3 | 4–6 | KO8 | 4–9 | 10–45 | | 0.5–6 | | 0.5–4 | 5-6 |
| Tsibet | TS1 | 4–9 | 10–37 | 45 | 0.5–6 | | 0.5–3 | 4–6 | TS2 | 4–9 | 10–37 | 45 | 0.5–5 | 6 | 0.5–3 | 4–6 | TS3 | 4–9 | 10–37 | 45 | 0.5–4 | 5-6 | 0.5–3 | 4–6 | TS4 | 4–9 | 10–37 | 45 | 0.5–5 | 6 | 0.5–3 | 4–6 |
| Mekelle | ME1 | 4–9 | 10–45 | | 0.5–6 | | 0.5–4 | 5-6 | ME2 | 4–9 | 20–37 | 10.45 | 0.5–6 | | 0.5–4 | 5-6 | ME3 | 4–9 | 10–37 | 45 | 0.5–6 | | 0.5–4 | 5-6 | ME4 | 4–9 | 10–37 | 45 | 0.5–6 | | 0.5–3 | 4–6 | ME5 | 4–9 | 10–37 | 45 | 0.5–4 | 5-6 | 0.5–4 | 5-6 |
| Tanqua Abergele | TA1 | 4–9 | 10–45 | | 0.5–6 | | 0.5–4 | 5-6 | TA2 | 4–9 | 10–45 | | 0.5–6 | | 0.5–4 | 5-6 | TA3 | 4–9 | 20–45 | 10 | 0.5–6 | | 0.5–6 | | TA4 | 4–9 | 20–45 | 10 | 0.5–6 | | 0.5–6 | | TA5 | 4–9 | 20–45 | 10 | 0.5–6 | | 0.5–6 | | TA6 | 4–9 | 10–45 | | 0.5–6 | | 0.5–6 | | TA7 | 4–9 | 10–45 | | 0.5–6 | | 0.5–6 | |
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