Table 4.
Effects of temperature treatment on SPAD values, plant height and leaf area.
| Treatment | SPAD | Plant height(cm) | Leaf area(cm2) |
|---|---|---|---|
| Yuxiangyouzhan | |||
| LT | 32.05b | 47.32a | 172.25b |
| AT | 34.57a | 46.93ab | 210.91a |
| HT | 34.73a | 42.88b | 185.73ab |
| Mean | 33.78 | 45.71 | 189.63 |
| Xiangyaxiangzhan | |||
| LT | 29.78b | 33.40b | 64.13b |
| AT | 32.87a | 40.22a | 102.40a |
| HT | 34.95a | 37.47ab | 105.92a |
| Mean | 32.53 | 37.03 | 90.82 |
LT represents low rhizosphere temperature (17.5 ± 1.5 °C); AT represents ambient rhizosphere temperature (28 ± 1.0 °C); HT represents high rhizosphere temperature (38.5 ± 1.5 °C). The different letters in the same column represent significant differences at p < 0.05 according to LSD tests.