Table 2 Tomato plant length (cm) and chlorophyll and carotenoid contents (mg g−1 FW) under soil water contents of 75–70% and 55–50% in soils from Hanzhong, Yulin, and Yangling of Shaanxi, China
Soil | Treatments | Plant length (cm) | Chlorophyll a (mg g−1 FW) | Chlorophyll b (mg g−1 FW) | Chlorophyll a + b (mg g−1 FW) | Carotenoid (mg g−1 FW) |
|---|---|---|---|---|---|---|
Hanzhong | Control | 93.39 ± 1.57 b | 23.25 ± 0.75 a | 8.79 ± 0.35 ab | 32.04 ± 0.19ab | 6.18 ± 0.12 a |
|  | Deficit | 65.54 ± 2.14 d | 19.88 ± 2.49abc | 7.46 ± 0.68 b | 27.34 ± 0.11 bcd | 3.72 ± 0.08 c |
Yulin | Control | 97.98 ± 4.24 ab | 21.29 ± 1.78 abc | 9.82 ± 0.83 a | 31.11 ± 0.15 abc | 5.62 ± 0.07a |
|  | Deficit | 75.15 ± 3.75 c | 17.27 ± 1.47 c | 7.79 ± 0.18 b | 25.09 ± 0.23 d | 4.27 ± 0.13Bc |
Yangling | Control | 103.74 ± 2.63 a | 22.89 ± 0.97 ab | 10.12 ± 0.24 a | 33.03 ± 0.18 a | 5.59 ± 0.14 a |
|  | Deficit | 81.09 ± 1.72 c | 18.14 ± 0.81 bc | 7.94 ± 0.12 b | 26.08 ± 0.17 cd | 4.52 ± 0.09 b |
Soil (S) | * | NS | * | NS | NS | |
Treatment (T) | * | * | * | * | * | |
Soil x Treatment (SXT) | * | NS | NS | NS | * | |