Table 2.
Effects of MPs, Cd, and their interactions on measured variables based on a two-way ANOVA analysis. Significance level (F value): * p < 0.05, ** p < 0.01, *** p < 0.001; ns: nonsignificant effect.
| Variables | HDPE | PS | ||||
|---|---|---|---|---|---|---|
| HDPE dose | Cd | HDPE × Cd | PS dose | Cd | PS × Cd | |
| Shoot dry weight | 2.09 ns | 17.66 *** | 1.24 ns | 6.00 ** | 32.98 *** | 0.96 ns |
| Root dry weight | 0.51 ns | 36.87 *** | 5.35 ** | 7.79 ** | 3.79 ns | 1.74 ns |
| Total weight | 1.76 ns | 45.15 *** | 3.53 * | 6.88 ** | 25.54 *** | 0.46 ns |
| Soil pH | 3.48 * | 64.86 *** | 15.15 *** | 10.03 *** | 63.82 *** | 12.85 *** |
| DTPA-Cd | 42.61 *** | 29324.66 *** | 42.61 *** | 16.97 *** | 11577.01 *** | 16.97 *** |
| Shoot Cd conc. | 0.19 ns | 326.88 *** | 0.19 ns | 0.88 ns | 743.91 *** | 0.88 ns |
| Root Cd conc. | 7.89 ** | 1861.31 *** | 7.89 ** | 1.21 ns | 665.48 *** | 1.21 ns |
| Shoot Cd uptake | 1.00 ns | 422.60 *** | 1.00 ns | 5.12 ** | 1955.10 *** | 5.12 ** |
| Root Cd uptake | 0.98 ns | 144.64 *** | 0.98 ns | 3.02 * | 228.05 *** | 3.02 * |