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Table III
Statistical significance of the P values (ANOVA) for the single and interactive effects of population, drought and enhanced UV-B radiation on different physiological parameters.
Parameter | Population | Drought | UV-B | Population × drought | Population × UV-B | Drought × UV-B | Population × drought × UV-B |
---|---|---|---|---|---|---|---|
WUEi | 0.000*** | 0.000*** | 0.000*** | 0.002** | 0.112ns | 0.000*** | 0.001*** |
WUE T | 0.000*** | 0.000*** | 0.000*** | 0.000*** | 0.064ns | 0.000*** | 0.507ns |
δ13C | 0.209ns | 0.000*** | 0.000*** | 0.456ns | 0.062ns | 0.000*** | 0.092ns |
ABA | 0.047* | 0.000*** | 0.000*** | 0.003** | 0.255ns | 0.002** | 0.015* |
Soluble protein | 0.071ns | 0.001*** | 0.001*** | 0.242ns | 0.358ns | 0.006** | 0.757ns |
UV-absorbing | 0.000*** | 0.000*** | 0.000*** | 0.028* | 0.037* | 0.000*** | 0.000*** |
compounds | |||||||
C content | |||||||
Leaves | 0.689ns | 0.000*** | 0.001*** | 0.001*** | 0.066ns | 0.683ns | 0.659ns |
Stems | 0.047* | 0.031* | 0.070ns | 0.025* | 0.017* | 0.445ns | 0.376ns |
Roots | 0.000*** | 0.280ns | 0.024* | 0.010** | 0.117ns | 0.579ns | 0.019* |
N content | |||||||
Leaves | 0.000*** | 0.009** | 0.006** | 0.002** | 0.017* | 0.000*** | 0.976ns |
Stems | 0.000*** | 0.000*** | 0.000*** | 0.000*** | 0.014* | 0.001*** | 0.000*** |
Roots | 0.000*** | 0.000*** | 0.015* | 0.100ns | 0.567ns | 0.378ns | 0.513ns |
C/N ratio | |||||||
Leaves | 0.000*** | 0.000*** | 0.000*** | 0.000*** | 0.002** | 0.000*** | 0.417ns |
Stems | 0.000*** | 0.000*** | 0.000*** | 0.000*** | 0.945ns | 0.000*** | 0.000*** |
Roots | 0.000*** | 0.000*** | 0.009** | 0.000** | 0.078ns | 0.163ns | 0.039* |