Acta Horticulturae Sinica ›› 2026, Vol. 53 ›› Issue (8): 2431-2442.doi: 10.16420/j.issn.0513-353x.2025-0499
• Cultivation · Physiology & Biochemistry • Previous Articles Next Articles
KANG Lei1, ZHU Yanzhe2, LIANG Min2, WU Longguo2,3,*(
)
Received:2026-05-21
Revised:2026-07-21
Online:2026-08-25
Published:2026-08-25
Contact:
WU Longguo
KANG Lei, ZHU Yanzhe, LIANG Min, WU Longguo. Study on the Dynamic Changes of Antioxidant Enzymes in Tomato Roots,Leaves and Fruits Under Low Salt Stress[J]. Acta Horticulturae Sinica, 2026, 53(8): 2431-2442.
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URL: https://www.ahs.ac.cn/EN/10.16420/j.issn.0513-353x.2025-0499
| NaCl/(g · L-1) | 株高/cm Plant height | 茎粗/mm Stem thick | 叶片数 Number of leaves | 叶长/cm Length of blade | 叶宽/cm Blade width | 叶绿素相对含量 SPAD |
|---|---|---|---|---|---|---|
| 0(对照Control) | 242.67 ± 2.03 a | 8.36 ± 0.20 a | 18.33 ± 0.67 a | 44.00 ± 2.31 a | 29.00 ± 0.58 a | 46.87 ± 0.52 a |
| 1 | 225.33 ± 8.88 ab | 8.02 ± 0.12 a | 18.33 ± 0.88 a | 37.67 ± 2.19 ab | 29.33 ± 1.45 a | 43.93 ± 0.61 a |
| 2 | 173.33 ± 35.26 b | 7.99 ± 0.30 a | 18.33 ± 0.67 a | 38.33 ± 1.45 ab | 22.67 ± 1.45 b | 40.23 ± 0.44 b |
| 3 | 199.67 ± 3.84 ab | 6.70 ± 0.04 b | 16.67 ± 0.33 a | 32.00 ± 1.53 b | 22.00 ± 1.15 b | 37.50 ± 2.00 b |
Table 1 Growth of tomato plants under different salt stress
| NaCl/(g · L-1) | 株高/cm Plant height | 茎粗/mm Stem thick | 叶片数 Number of leaves | 叶长/cm Length of blade | 叶宽/cm Blade width | 叶绿素相对含量 SPAD |
|---|---|---|---|---|---|---|
| 0(对照Control) | 242.67 ± 2.03 a | 8.36 ± 0.20 a | 18.33 ± 0.67 a | 44.00 ± 2.31 a | 29.00 ± 0.58 a | 46.87 ± 0.52 a |
| 1 | 225.33 ± 8.88 ab | 8.02 ± 0.12 a | 18.33 ± 0.88 a | 37.67 ± 2.19 ab | 29.33 ± 1.45 a | 43.93 ± 0.61 a |
| 2 | 173.33 ± 35.26 b | 7.99 ± 0.30 a | 18.33 ± 0.67 a | 38.33 ± 1.45 ab | 22.67 ± 1.45 b | 40.23 ± 0.44 b |
| 3 | 199.67 ± 3.84 ab | 6.70 ± 0.04 b | 16.67 ± 0.33 a | 32.00 ± 1.53 b | 22.00 ± 1.15 b | 37.50 ± 2.00 b |
| 果穗位置 Truss | NaCl/(g · L-1) | 单果质量/g Fruit weight | 果实纵经/mm Fruit longitudinal diameter | 果实横径/mm Fruit transverse diameter | 果形指数 Fruit shape index |
|---|---|---|---|---|---|
| 3 | 0(对照Control) | 16.50 ± 1.21 a | 35.48 ± 0.74 a | 34.53 ± 0.56a | 1.02 ± 0.04 b |
| 1 | 15.87 ± 0.88 a | 31.49 ± 0.53 b | 29.64 ± 0.72 b | 1.03 ± 0.01 b | |
| 2 | 14.60 ± 0.70 b | 30.03 ± 1.19 c | 28.59 ± 1.04 b | 1.11 ± 0.05 a | |
| 3 | 14.87 ± 0.78 b | 29.09 ± 0.93 d | 28.42 ± 0.46 c | 1.07 ± 0.04 a | |
| 4 | 0(对照Control) | 19.57 ± 1.37 a | 33.37 ± 0.71 a | 32.13 ± 0.62 a | 1.05 ± 0.01 a |
| 1 | 15.20 ± 0.67 b | 29.91 ± 0.16 c | 28.77 ± 0.56 b | 1.04 ± 0.02 a | |
| 2 | 13.20 ± 1.06 b | 30.73 ± 0.55 b | 27.71 ± 0.95 b | 1.04 ± 0.02 a | |
| 3 | 12.63 ± 1.42 b | 29.83 ± 1.26 c | 26.69 ± 1.11 c | 1.04 ± 0.01 a | |
| 5 | 0(对照Control) | 22.80 ± 3.35 a | 35.03 ± 2.06 a | 33.10 ± 1.84 a | 1.06 ± 0.01 a |
| 1 | 21.90 ± 3.25 a | 33.50 ± 2.12 a | 32.27 ± 1.68 a | 1.12 ± 0.01 a | |
| 2 | 19.30 ± 0.64 b | 33.88 ± 0.94 a | 31.16 ± 0.25 b | 1.09 ± 0.02 a | |
| 3 | 16.40 ± 1.01 c | 31.64 ± 1.33 b | 29.47 ± 0.37 c | 1.06 ± 0.03 a |
Table 2 Appearance quality of tomato fruits under different salt stresses
| 果穗位置 Truss | NaCl/(g · L-1) | 单果质量/g Fruit weight | 果实纵经/mm Fruit longitudinal diameter | 果实横径/mm Fruit transverse diameter | 果形指数 Fruit shape index |
|---|---|---|---|---|---|
| 3 | 0(对照Control) | 16.50 ± 1.21 a | 35.48 ± 0.74 a | 34.53 ± 0.56a | 1.02 ± 0.04 b |
| 1 | 15.87 ± 0.88 a | 31.49 ± 0.53 b | 29.64 ± 0.72 b | 1.03 ± 0.01 b | |
| 2 | 14.60 ± 0.70 b | 30.03 ± 1.19 c | 28.59 ± 1.04 b | 1.11 ± 0.05 a | |
| 3 | 14.87 ± 0.78 b | 29.09 ± 0.93 d | 28.42 ± 0.46 c | 1.07 ± 0.04 a | |
| 4 | 0(对照Control) | 19.57 ± 1.37 a | 33.37 ± 0.71 a | 32.13 ± 0.62 a | 1.05 ± 0.01 a |
| 1 | 15.20 ± 0.67 b | 29.91 ± 0.16 c | 28.77 ± 0.56 b | 1.04 ± 0.02 a | |
| 2 | 13.20 ± 1.06 b | 30.73 ± 0.55 b | 27.71 ± 0.95 b | 1.04 ± 0.02 a | |
| 3 | 12.63 ± 1.42 b | 29.83 ± 1.26 c | 26.69 ± 1.11 c | 1.04 ± 0.01 a | |
| 5 | 0(对照Control) | 22.80 ± 3.35 a | 35.03 ± 2.06 a | 33.10 ± 1.84 a | 1.06 ± 0.01 a |
| 1 | 21.90 ± 3.25 a | 33.50 ± 2.12 a | 32.27 ± 1.68 a | 1.12 ± 0.01 a | |
| 2 | 19.30 ± 0.64 b | 33.88 ± 0.94 a | 31.16 ± 0.25 b | 1.09 ± 0.02 a | |
| 3 | 16.40 ± 1.01 c | 31.64 ± 1.33 b | 29.47 ± 0.37 c | 1.06 ± 0.03 a |
| NaCl/(g · L-1) | 长度/cm Length | 表面积/cm2 Surface area | 体积/cm3 Volume | 鲜样质量/g Fresh weight | 干样质量/g Dry weight |
|---|---|---|---|---|---|
| 0(对照Control) | 2 039.45 ± 515.98 a | 1 849.99 ± 454.15 a | 411.23 ± 110.51 a | 16.28 ± 3.99 a | 2.20 ± 0.43 a |
| 1 | 932.80 ± 94.49 b | 908.98 ± 124.83 b | 224.43 ± 53.19 b | 8.48 ± 0.79 b | 1.08 ± 0.12 b |
| 2 | 1 043.40 ± 101.91 b | 1 005.23 ± 63.66 b | 258.14 ± 41.59 b | 10.05 ± 0.34 b | 1.32 ± 0.06 b |
| 3 | 682.66 ± 66.15 b | 803.62 ± 85.88 b | 213.63 ± 28.50 b | 8.51 ± 1.28 b | 1.06 ± 0.18 b |
Table 3 Morphological indexes of tomato roots under different salt stress
| NaCl/(g · L-1) | 长度/cm Length | 表面积/cm2 Surface area | 体积/cm3 Volume | 鲜样质量/g Fresh weight | 干样质量/g Dry weight |
|---|---|---|---|---|---|
| 0(对照Control) | 2 039.45 ± 515.98 a | 1 849.99 ± 454.15 a | 411.23 ± 110.51 a | 16.28 ± 3.99 a | 2.20 ± 0.43 a |
| 1 | 932.80 ± 94.49 b | 908.98 ± 124.83 b | 224.43 ± 53.19 b | 8.48 ± 0.79 b | 1.08 ± 0.12 b |
| 2 | 1 043.40 ± 101.91 b | 1 005.23 ± 63.66 b | 258.14 ± 41.59 b | 10.05 ± 0.34 b | 1.32 ± 0.06 b |
| 3 | 682.66 ± 66.15 b | 803.62 ± 85.88 b | 213.63 ± 28.50 b | 8.51 ± 1.28 b | 1.06 ± 0.18 b |
Fig. 1 Photosynthetic parameters of tomato leaves under different salt stress Different letters indicate significant differences between treatments(P < 0.05). The same below
Fig. 3 Antioxidant enzyme activity in tomato leaves corresponding to different fruit truss under various salt stress Different lowercase letters indicate significant differences among different treatments during the same period at 0.05 level. The same below
Fig. 6 Correlation of antioxidant enzymes in tomato roots,leaves,and fruits L:Leaf;F:Fruit;R:Root. 3,4 and 5 respectively represent the 3rd,4th and 5th clusters and corresponding leaf. * indicate a significant correlation at P < 0.05,** indicate a highly significant correlation at P < 0.01
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