Table 2.
Impact of NaCl and Cd treatments on dry matter (DM) percentage and element concentrations in strawberry and lettuce tissues 20, 30 and 40 days after salinity (DASAL) treatment commenced. Means (standard errors in parenthesis; n = 4) with the same letter in a column for a given main effect are not significantly different according to the Tukey’s HSD test.
| Treatment | Strawberry Leaves 40 DASAL | Lettuce Leaves 20 DASAL | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| DM % |
Na | Cl | Cu | Zn | DM % |
Na | Cl | Cu | Zn | |
| g/kg | mg/kg | g/kg | mg/kg | |||||||
| Cd0 | 23(1.0) a | 5.0(1.2) a | 26(3.75) a | 4.7(0.28) a | 33(2.0) a | 4.9(0.07) a | 21(3.2) a | 47(6.9) a | 4.9(0.30) a | 77(3.7) a |
| Cd2.5 | 22(0.73) b | 4.0(0.87) b | 23(3.40) b | 4.4(0.28) a | 31(1.7) ab | 5.0(0.07) a | 21(3.3) a | 48(7.0) a | 4.8(0.31) ab | 78(4.3) a |
| Cd5.0 | 22(0.77) b | 4.0(0.89) b | 22(3.20) b | 3.9(0.20) a | 28(0.90) b | 5.0(0.08) a | 20(3.1) a | 47(6.5) a | 4.4(0.33) b | 71(4.7) b |
| NaCl0 | 19(0.32) a | 0.10(0.001) a | 2.9(0.30) a | 4.4(0.36) a | 23(0.91) a | 4.9(0.10) ab | 1.9(0.06) a | 6.4(0.23) a | 3.2(0.13) a | 53(1.7) a |
| NaCl20 | 21(0.33) ab | 2.4(0.14) b | 23(0.82) b | 4.2(0.32) a | 32(1.1) b | 4.7(0.10) b | 18(0.27) b | 46(0.89) b | 4.0(0.11) b | 71(1.8) b |
| NaCl40 | 22(0.47) b | 4.7(0.30) c | 30(1.10) c | 4.3(0.28) a | 34(1.5) b | 4.9(0.05) ab | 27(0.40) c | 61(2.4) c | 5.5(0.22) c | 83(1.4) c |
| NaCl60 | 27(0.77) c | 10(0.46) d | 39(1.05) d | 4.6(0.27) a | 34(2.1) b | 5.1(0.06) b | 35(0.70) d | 76(1.9) d | 6.0(1.14) d | 95(2.4) d |
| CdxNaCl | ns | * | ns | ns | ns | ns | ns | ns | ns | ns |
| Treatment | Strawberry Fruits | Lettuce Leaves 30 DASAL | ||||||||
|
DM
% |
Na | Cl | Cu | Zn |
DM
% |
Na | Cl | Cu | Zn | |
| g/kg | mg/kg | g/kg | mg/kg | |||||||
| Cd0 | 7.9(0.20) a | 3.3(0.81) a | 13(2.2) a | 4.5(0.33) a | 24(1.4) a | 5.8(0.14) a | 34(5.5) a | 63(9.7) a | 6.2(0.46) a | 107(9.6) a |
| Cd2.5 | 8.1(0.14) a | 3.0(0.60) a | 11(1.5) ab | 3.9(0.25) b | 20(1.0) b | 5.6(0.13) a | 35(5.3) a | 62(9.4) a | 5.8(0.47) a | 96(7.0) ab |
| Cd5.0 | 8.2(0.22) a | 2.8(0.75) a | 10(1.7) b | 4.0(0.32) b | 20(1.0) b | 5.6(0.11) a | 33(5.0) a | 59(8.7) a | 4.9(0.46) b | 88(8.2) b |
| NaCl0 | 8.2(0.07) ab | 0.2(0.01) a | 3.2(0.30) a | 3.1(0.13) a | 16(0.77) a | 5.9(0.15) a | 2.0(0.03) a | 6.5(0.15) a | 3.5(0.20) a | 54(3.0) a |
| NaCl20 | 8.3(0.27) a | 2.0(0.30) b | 7.8(0.58) b | 3.5(0.15) ab | 21(1.0) b | 5.3(0.12) b | 33(0.80) b | 58(1.3) b | 4.6(0.20) b | 93(3.0) b |
| NaCl40 | 8.1(0.22) ab | 3.0(0.27) b | 12(0.92) c | 4.1(0.13) b | 22(1.0) b | 5.5(0.17) ab | 45(1.7) c | 79(2.9) c | 6.7(0.36) c | 105(2.5) b |
| NaCl60 | 7.6(0.19) b | 7.1(0.64) c | 21(1.3) d | 5.9(0.26) c | 27(1.0) c | 5.9(0.08) a | 56(1.8) d | 102(3.3) d | 7.7(0.30) d | 136(8.2) c |
| CdxNaCl | ns | ns | ns | ns | ns | ns | ns | ns | ns | ns |
* at p < 0.05; ns, not significant.