Table 7.
Influence of biochar and arbuscular mycorrhizal fungi on stomatal pore aperture, stomatal density, photosynthetic rate, RWC and membrane stability index of chickpea under drought stress.
| Treatments | Stomatal pore aperture (μm2) | Stomatal density (Spore mm−2) | Photosynthetic rate (μmol m−2 S−1) | Relative water content (%) | Membrane stability index (%) |
|---|---|---|---|---|---|
| Control | 101.2d | 92.5d | 23.0d | 85.9c | 86.2c |
| AMF | 142.6b | 152.5b | 29.13b | 87.1b | 92.3a |
| Biochar | 116.7c | 125.6c | 25.0c | 86.8b | 90.5b |
| Biochar + AMF | 167.2a | 170.0a | 32.9a | 93.4a | 93.8a |
| Drought | 50.0h | 61.1g | 11.4g | 58.8g | 53.5g |
| Drought + AMF | 87.9f | 84.8f | 16.7f | 77.4e | 77.3de |
| Drought + Biochar | 78.8g | 82.3f | 15.9f | 72.8f | 69.4f |
| Drought + Biochar + AMF | 90.7e | 88.1e | 18.8e | 81.8d | 79.7d |
| LSD at: 0.05% | 2.6311 | 0.8704 | 0.3932 | 0.8279 | 0.6193 |
AMF = An arbuscular mycorrhizal fungi.
Means sharing the same letter, for a parameter, do not differ significantly at P ≤ 0.05.