Table 7.
Mean effects of solution Cd concentration, AM inoculation, grafting combination on major, and trace elements in tomato leaves.
| Treatment | Major elements (g kg-1 of dw) |
Trace elements (mg kg-1dw) |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| N | P | K | Ca | Mg | Fe | Mn | Zn | Cd | |
| Cd level (μM) | |||||||||
| 0 | 26.4 | 3.38 | 24.1 | 37.2 | 7.54 | 74.5 | 300.3 | 33.9 | 0.35 |
| 25 | 25.3 | 3.28 | 23.9 | 32.2 | 6.55 | 38.0 | 265.1 | 23.7 | 119.14 |
| AM fungi | |||||||||
| −AM | 25.7 | 3.20 | 23.2 | 33.7 | 6.82 | 60.3 | 280.6 | 27.1 | 55.73 |
| +AM | 26.1 | 3.46 | 24.9 | 35.7 | 7.27 | 52.1 | 284.8 | 30.5 | 63.75 |
| Grafting combinationa | |||||||||
| I/I | 26.1 | 3.20 | 22.0 | 31.9 | 7.01 | 53.6 | 251.6 | 26.7 | 58.06 |
| I/M | 25.6 | 3.46 | 26.1 | 37.4 | 7.08 | 58.8 | 313.8 | 30.9 | 61.42 |
| Significanceb | |||||||||
| Cd | NS | NS | ** | ** | *** | *** | *** | *** | *** |
| AM fungi (M) | NS | * | NS | NS | * | ** | NS | ** | *** |
| Grafting (G) | NS | * | *** | *** | NS | * | *** | ** | NS |
| Cd × M | NS | NS | NS | * | * | ** | NS | NS | *** |
| Cd × G | NS | NS | NS | NS | NS | NS | NS | * | NS |
| Cd × M | ** | NS | NS | NS | NS | NS | NS | NS | NS |
| Cd × M × G | *** | * | NS | NS | NS | * | NS | * | NS |
aI/I = self-grafted Ikram cultivar; I/M = Ikram cultivar grafted onto Maxifort rootstock.
bNS, Non-significant; *P < 0.05; **P < 0.01; ***P < 0.001.