Journal of Agricultural Science and Technology ›› 2022, Vol. 24 ›› Issue (7): 69-76.DOI: 10.13304/j.nykjdb.2021.0172
• BIOTECHNOLOGY & LIFE SCIENCE • Previous Articles Next Articles
Received:
2021-03-02
Accepted:
2021-06-19
Online:
2022-07-15
Published:
2022-08-15
Contact:
Wei YAN
通讯作者:
闫伟
作者简介:
郝艳玲E-mail:hyluuu@163.com;
基金资助:
CLC Number:
Yanling HAO, Wei YAN. Effects of Mixed Salt Stress on Morphological and Physiological Indexes of Ulmus pumila Seedlings[J]. Journal of Agricultural Science and Technology, 2022, 24(7): 69-76.
郝艳玲, 闫伟. 混合盐胁迫对白榆幼苗形态及生理指标的影响[J]. 中国农业科技导报, 2022, 24(7): 69-76.
Fig.1 Plant height growth and ground diameter growth of Ulmus pumila seedlings under mixed salt stressNote: Different small letters above bar indicate significant difference among the different treatments at the P<0.05 level.
处理 Treatment | 总生物量 Total biomass/g | 根部干重 Root dry weight/g | 根冠比 Root shoot ratio | 盐耐受系数 Salt tolerance coefficient |
---|---|---|---|---|
CK | 2.43±0.05 a | 1.29±0.03 a | 1.13±0.01 a | 1.00±0.00 a |
T1 | 1.72±0.14 b | 0.96±0.11 b | 1.28±0.12 a | 0.71±0.04 b |
T2 | 1.27±0.12 c | 0.70±0.07 c | 1.22±0.03 a | 0.52±0.06 c |
T3 | 1.12±0.09 c | 0.65±0.08 c | 1.37±0.21 a | 0.46±0.03 c |
T4 | 1.08±0.18 c | 0.63±0.09 c | 1.42±0.08 a | 0.45±0.08 c |
T5 | 0.97±0.02 c | 0.55±0.03 c | 1.31±0.13 a | 0.40±0.02 c |
Table1 Biomass and salt tolerance coefficient of Ulmus pumila seedlings under different mixed salt stress
处理 Treatment | 总生物量 Total biomass/g | 根部干重 Root dry weight/g | 根冠比 Root shoot ratio | 盐耐受系数 Salt tolerance coefficient |
---|---|---|---|---|
CK | 2.43±0.05 a | 1.29±0.03 a | 1.13±0.01 a | 1.00±0.00 a |
T1 | 1.72±0.14 b | 0.96±0.11 b | 1.28±0.12 a | 0.71±0.04 b |
T2 | 1.27±0.12 c | 0.70±0.07 c | 1.22±0.03 a | 0.52±0.06 c |
T3 | 1.12±0.09 c | 0.65±0.08 c | 1.37±0.21 a | 0.46±0.03 c |
T4 | 1.08±0.18 c | 0.63±0.09 c | 1.42±0.08 a | 0.45±0.08 c |
T5 | 0.97±0.02 c | 0.55±0.03 c | 1.31±0.13 a | 0.40±0.02 c |
Fig.2 Changes of MDA content and SS content of Ulmus pumila seedlings under mixed salt stressNote: Different small letters indicate significant difference among the different treatments of the same time at the P<0.05 level.
Fig.3 Changes of SOD and POD activities of Ulmus pumila seedlings under mixed salt stressNote: Different small letters indicate significant difference among the different treatments of the same time at the P<0.05 level.
Fig.4 Changes of relative conductivity and chlorophyll content of Ulmus pumila seedlings under mixed salt stressNote: Different small letters indicate significant difference among the different treatments of the same time at the P<0.05 level.
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