Changes of leaf water potentials (a), leaf dry weights (b), leaf areas (c), specific leaf area (d), root lengths (e), cell membrane injuries (f), TBARS (g) and H2O2 (h) contents of the control (CT 25 ± 3 °C) and the high temperature (HT 60 ± 4 °C) plants. Bars on the columns are standard deviations. Statistically significant differences are indicated by asterisks