Table 2.
Source of variance | Shoot fresh weight (g/plant) | Shoot dry weight (g plant-1) | Root dry weight (g plant-1) | Total root length (m plant-1) | Root diameter (mm) | Total root surface (cm2 plant-1) |
---|---|---|---|---|---|---|
Nutrient solution (N) | ∗∗∗ | ∗∗ | ∗ | ∗∗∗ | ns | ∗∗ |
Biostimulant (B) | ∗∗∗ | ∗∗∗ | ∗∗ | ∗∗ | ns | ∗ |
N × B | ns | ns | ∗ | ns | ns | ns |
Nutrient solution | ||||||
Standard | 175.4ˆa | 7.81ˆa | 1.86 | 531.4ˆa | 0.29 | 48.4ˆa |
Alkaline | 161.6ˆa | 7.87ˆa | 1.79 | 484.1ˆb | 0.30 | 44.5ˆab |
Saline | 119.4ˆb | 7.02ˆb | 1.55 | 405.1ˆc | 0.28 | 37.0ˆb |
Biostimulant | ||||||
No application | 122.2ˆc | 6.03ˆb | 1.47 | 436.8ˆc | 0.28 | 40.5ˆc |
Tablet | 155.2ˆb | 8.06ˆa | 1.75 | 470.4ˆb | 0.29 | 42.7ˆb |
Tablet + PH | 179.2ˆa | 8.62ˆa | 1.98 | 510.1ˆa | 0.29 | 46.5ˆa |
N × B | ||||||
Standard solution without biostimulant | 145.8 | 5.93 | 1.63ˆbc | 494.1 | 0.29 | 45.8 |
Standard solution + Tablet | 171.5 | 8.45 | 1.84ˆab | 538.5 | 0.29 | 48.7 |
Standard solution + Tablet + PH | 209.1 | 9.05 | 2.12ˆa | 561.6 | 0.30 | 50.6 |
Alkaline solution without biostimulant | 132.7 | 6.53 | 1.48ˆcd | 460.4 | 0.29 | 43.2 |
Alkaline solution + Tablet | 166.0 | 8.37 | 1.81ˆab | 472.0 | 0.30 | 43.3 |
Alkaline solution + Tablet + PH | 186.3 | 8.72 | 2.08ˆa | 519.8 | 0.30 | 47.1 |
Saline solution without biostimulant | 88.0 | 5.62 | 1.31ˆd | 355.9 | 0.27 | 32.6 |
Saline solution + Tablet | 128.0 | 7.36 | 1.61ˆbc | 400.8 | 0.29 | 36.1 |
Saline solution + Tablet + PH | 142.3 | 8.09 | 1.74ˆbc | 458.6 | 0.28 | 42.4 |
ns, ∗, ∗∗, ∗∗∗ Non-significant or significant at P ≤ 0.05, 0.01, and 0.001, respectively. Different letters within each column indicate significant differences according to Duncan’s multiple-range test (P = 0.05). Tablet = microbial-based biostimulant ‘Click Horto’ containing 200 spores/tablet of R. irregularis BEG72 plus 4.5 × 107 CFU/tablet of T. atroviride MUCL45632; PH = plant derived-protein hydrolysate ‘Trainer.’