Journal of Agricultural Science and Technology ›› 2023, Vol. 25 ›› Issue (7): 170-177.DOI: 10.13304/j.nykjdb.2022.0276
• BIO-MANUFACTURING & RESOURCE AND ECOLOGY • Previous Articles
Yulu WU(), Jiaxin HU(), Yuxi CHEN, Bingsong ZHENG, DaoLiang YAN()
Received:
2022-04-08
Accepted:
2022-06-06
Online:
2023-07-15
Published:
2023-08-25
Contact:
DaoLiang YAN
通讯作者:
闫道良
作者简介:
吴雨露E-mail:1206195697@qq.com基金资助:
CLC Number:
Yulu WU, Jiaxin HU, Yuxi CHEN, Bingsong ZHENG, DaoLiang YAN. Effects of External Application of α-Ketoglutarate on Growth, Carbon, Nitrogen and Phosphorus Accumulation and Their Stoichiometric Relationships in Kosteletzkya virginica Under Salt Stress[J]. Journal of Agricultural Science and Technology, 2023, 25(7): 170-177.
吴雨露, 扈嘉鑫, 陈宇熙, 郑炳松, 闫道良. 外施α-酮戊二酸对盐胁迫下海滨锦葵生长、碳氮磷养分积累及其计量关系的影响[J]. 中国农业科技导报, 2023, 25(7): 170-177.
处理 Treatment | 试剂用量Reagent dosage | |
---|---|---|
KG/(mg∙L-1) | NaCl /(g∙L-1) | |
CK | 0 | 0 |
S5 | 0 | 5 |
S15 | 0 | 15 |
KG10 | 10 | 0 |
S5-KG10 | 10 | 5 |
S15-KG10 | 10 | 15 |
KG20 | 20 | 0 |
S5-KG20 | 20 | 5 |
S15-KG20 | 20 | 15 |
Table 1 Setting of experimental group
处理 Treatment | 试剂用量Reagent dosage | |
---|---|---|
KG/(mg∙L-1) | NaCl /(g∙L-1) | |
CK | 0 | 0 |
S5 | 0 | 5 |
S15 | 0 | 15 |
KG10 | 10 | 0 |
S5-KG10 | 10 | 5 |
S15-KG10 | 10 | 15 |
KG20 | 20 | 0 |
S5-KG20 | 20 | 5 |
S15-KG20 | 20 | 15 |
处理 Treatment | 株高 Plant height/cm | 相对生长率 Relative growth rate/% |
---|---|---|
CK | 22.0±4.5 a | 1.3±0.3 a |
KG10 | 22.8±3.8 a | 1.5±0.7 a |
KG20 | 25.9±5.1 a | 1.6±0.5 a |
S5 | 13.3±1.6 b | 0.7±0.5 b |
S5-KG10 | 14.8±2.1 b | 0.3±0.1 bc |
S5-KG20 | 15.3±2.0 b | 0.5±0.2 bc |
S15 | 11.1±2.2 b | 0.1±0.1 c |
S15-KG10 | 11.8±2.8 b | 0.1±0.1 c |
S15-KG20 | 10.9±1.7 b | 0.3±0.2 bc |
F值F value | 16.976 | 12.804 |
P值P value | 0.000 | 0.000 |
Table 2 Plant height of K. virginica treated with different concentration of α-ketoglutarate
处理 Treatment | 株高 Plant height/cm | 相对生长率 Relative growth rate/% |
---|---|---|
CK | 22.0±4.5 a | 1.3±0.3 a |
KG10 | 22.8±3.8 a | 1.5±0.7 a |
KG20 | 25.9±5.1 a | 1.6±0.5 a |
S5 | 13.3±1.6 b | 0.7±0.5 b |
S5-KG10 | 14.8±2.1 b | 0.3±0.1 bc |
S5-KG20 | 15.3±2.0 b | 0.5±0.2 bc |
S15 | 11.1±2.2 b | 0.1±0.1 c |
S15-KG10 | 11.8±2.8 b | 0.1±0.1 c |
S15-KG20 | 10.9±1.7 b | 0.3±0.2 bc |
F值F value | 16.976 | 12.804 |
P值P value | 0.000 | 0.000 |
处理 Treatment | 生物量Biomas/mg | 根冠比 Root shoot ratio | 比叶重Specific leaf weight/(mg∙cm-2) | ||
---|---|---|---|---|---|
全株Whole plant | 根Root | 叶Leaf | |||
CK | 413.5±83.4 b | 190.5±10.8 a | 269.0±15.8 a | 0.41±0.05 d | 1.77±0.08 d |
KG10 | 619.1±34.5 a | 191.8±13.0 a | 263.2±42.0 a | 0.46±0.10 d | 1.91±0.19 d |
KG20 | 669.3±26.4 a | 193.7±21.3 a | 264.8±20.8 a | 0.45±0.06 d | 1.87±0.05 d |
S5 | 286.6±39.7 c | 154.6±25.5 ab | 112.5±12.5 c | 0.86±0.10 c | 2.69±0.15 bc |
S5-KG10 | 291.9±35.2 c | 142.4±7.7 b | 115.2±15.1 c | 0.68±0.11 c | 2.47±0.16 c |
S5-KG20 | 334.0±39.8 c | 146.8±19.8 b | 130.9±11.1 b | 1.07±0.10 b | 3.45±0.19 a |
S15 | 167.8±29.5 d | 98.8±16.3 c | 37.8±7.0 d | 1.48±0.13 a | 2.58±0.06 b |
S15-KG10 | 174.5±27.2 d | 103.2±14.7 c | 42.4±6.7 d | 1.45±0.10 a | 3.18±0.10 b |
S15-KG20 | 244.8±61.8 cd | 138.1±31.7 b | 54.0±13.6 d | 1.49±0.09 a | 3.80±0.08 a |
F值F value | 15.734 | 3.315 | 22.058 | 22.415 | 17.287 |
P值 P value | 0.000 | 0.009 | 0.000 | 0.000 | 0.000 |
Table 3 Biomass per plant, root shoot ratio and specific leaf weight of K. virginica treated with different concentration of α-ketoglutarate under salt stress
处理 Treatment | 生物量Biomas/mg | 根冠比 Root shoot ratio | 比叶重Specific leaf weight/(mg∙cm-2) | ||
---|---|---|---|---|---|
全株Whole plant | 根Root | 叶Leaf | |||
CK | 413.5±83.4 b | 190.5±10.8 a | 269.0±15.8 a | 0.41±0.05 d | 1.77±0.08 d |
KG10 | 619.1±34.5 a | 191.8±13.0 a | 263.2±42.0 a | 0.46±0.10 d | 1.91±0.19 d |
KG20 | 669.3±26.4 a | 193.7±21.3 a | 264.8±20.8 a | 0.45±0.06 d | 1.87±0.05 d |
S5 | 286.6±39.7 c | 154.6±25.5 ab | 112.5±12.5 c | 0.86±0.10 c | 2.69±0.15 bc |
S5-KG10 | 291.9±35.2 c | 142.4±7.7 b | 115.2±15.1 c | 0.68±0.11 c | 2.47±0.16 c |
S5-KG20 | 334.0±39.8 c | 146.8±19.8 b | 130.9±11.1 b | 1.07±0.10 b | 3.45±0.19 a |
S15 | 167.8±29.5 d | 98.8±16.3 c | 37.8±7.0 d | 1.48±0.13 a | 2.58±0.06 b |
S15-KG10 | 174.5±27.2 d | 103.2±14.7 c | 42.4±6.7 d | 1.45±0.10 a | 3.18±0.10 b |
S15-KG20 | 244.8±61.8 cd | 138.1±31.7 b | 54.0±13.6 d | 1.49±0.09 a | 3.80±0.08 a |
F值F value | 15.734 | 3.315 | 22.058 | 22.415 | 17.287 |
P值 P value | 0.000 | 0.009 | 0.000 | 0.000 | 0.000 |
处理Treatment | 碳含量Carbon content/(g·kg-1) | 氮含量Nitrogen content/(g·kg-1) | 磷含量Phosphorus content/(g·kg-1) | 碳氮比 C/N | 碳磷比 C/P | 氮磷比 N/P |
---|---|---|---|---|---|---|
CK | 336.57±4.31 b | 46.82±0.86 b | 3.95±0.03 a | 7.19±0.24 de | 85.21±3.78 e | 11.85±0.95 e |
KG10 | 339.40±6.09 b | 46.98±0.69 ab | 3.80±0.06 a | 7.23±0.23 ef | 89.32±1.81 e | 12.37±0.34 de |
KG20 | 360.57±6.78 a | 48.73±0.22 a | 3.90±0.09 a | 7.41±0.06 f | 92.45±2.42 e | 12.50±0.27 de |
S5 | 343.47±4.11 b | 38.76±0.64 d | 2.51±0.06 c | 8.87±0.24 c | 137.15±2.74 c | 15.48±0.47 c |
S5-KG10 | 358.23±3.16 ab | 41.85±0.50 c | 3.08±0.12 b | 8.56±0.16 cd | 116.31±4.30 d | 13.62±0.40 d |
S5-KG20 | 359.10±2.78 ab | 39.61±0.84 d | 2.50±0.08 c | 9.07±0.23 c | 143.64±5.75 c | 15.85±0.50 c |
S15 | 318.07±5.28 c | 29.83±0.68 e | 1.88±0.02 d | 10.68±0.43 b | 169.55±4.12 b | 15.89±0.27 c |
S15-KG10 | 320.27±4.81 c | 30.47±0.25 e | 1.60±0.05 e | 10.22±0.24 b | 200.17±6.47 a | 19.08±0.63 a |
S15-KG20 | 349.40±2.42 b | 29.03±0.52 e | 1.65±0.03 e | 12.74±0.28 a | 211.76±2.61 a | 17.58±0.59 b |
F值F value | 10.308 | 159.350 | 204.432 | 42.702 | 137.159 | 34.450 |
P值P value | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
Table 4 Stoichiometric characteristics of carbon, nitrogen and phosphorus in leaves of K. virginica plants treated with different concentration of α-ketoglutarate under salt stress
处理Treatment | 碳含量Carbon content/(g·kg-1) | 氮含量Nitrogen content/(g·kg-1) | 磷含量Phosphorus content/(g·kg-1) | 碳氮比 C/N | 碳磷比 C/P | 氮磷比 N/P |
---|---|---|---|---|---|---|
CK | 336.57±4.31 b | 46.82±0.86 b | 3.95±0.03 a | 7.19±0.24 de | 85.21±3.78 e | 11.85±0.95 e |
KG10 | 339.40±6.09 b | 46.98±0.69 ab | 3.80±0.06 a | 7.23±0.23 ef | 89.32±1.81 e | 12.37±0.34 de |
KG20 | 360.57±6.78 a | 48.73±0.22 a | 3.90±0.09 a | 7.41±0.06 f | 92.45±2.42 e | 12.50±0.27 de |
S5 | 343.47±4.11 b | 38.76±0.64 d | 2.51±0.06 c | 8.87±0.24 c | 137.15±2.74 c | 15.48±0.47 c |
S5-KG10 | 358.23±3.16 ab | 41.85±0.50 c | 3.08±0.12 b | 8.56±0.16 cd | 116.31±4.30 d | 13.62±0.40 d |
S5-KG20 | 359.10±2.78 ab | 39.61±0.84 d | 2.50±0.08 c | 9.07±0.23 c | 143.64±5.75 c | 15.85±0.50 c |
S15 | 318.07±5.28 c | 29.83±0.68 e | 1.88±0.02 d | 10.68±0.43 b | 169.55±4.12 b | 15.89±0.27 c |
S15-KG10 | 320.27±4.81 c | 30.47±0.25 e | 1.60±0.05 e | 10.22±0.24 b | 200.17±6.47 a | 19.08±0.63 a |
S15-KG20 | 349.40±2.42 b | 29.03±0.52 e | 1.65±0.03 e | 12.74±0.28 a | 211.76±2.61 a | 17.58±0.59 b |
F值F value | 10.308 | 159.350 | 204.432 | 42.702 | 137.159 | 34.450 |
P值P value | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
处理Treatment | K+含量K+ content/(g∙kg-1) | Na+含量Na+ content/(g∙kg-1) | 钾钠比 K+/Na+ |
---|---|---|---|
CK | 36.71±0.89 bc | 1.25±0.09 e | 29.55±1.60 b |
KG10 | 45.76±1.12 a | 1.09±0.09 e | 42.50±3.01 a |
KG20 | 38.92±1.31 b | 1.00±0.04 e | 39.27±2.61 a |
S5 | 24.94±2.11 ef | 19.65±0.59 c | 1.28±0.14 c |
S5-KG10 | 34.69±0.57 c | 18.57±0.43 c | 1.87±0.02 c |
S5-KG20 | 30.08±1.11 d | 15.83±0.93 d | 1.92±0.18 c |
S15 | 24.54±0.57 ef | 33.85±0.52 b | 0.73±0.01 c |
S15-KG10 | 21.94±0.26 f | 34.23±1.60 b | 0.65±0.04 c |
S15-KG20 | 27.04±0.37 de | 46.27±0.89 a | 0.59±0.02 c |
F值F value | 54.660 | 486.083 | 163.070 |
P值P value | 0.000 | 0.000 | 0.000 |
Table 5 Na+, K+ contents and their stoichiometric characteristics in leaves of K. virginica treated with different concentration of α-ketoglutarate under salt stress
处理Treatment | K+含量K+ content/(g∙kg-1) | Na+含量Na+ content/(g∙kg-1) | 钾钠比 K+/Na+ |
---|---|---|---|
CK | 36.71±0.89 bc | 1.25±0.09 e | 29.55±1.60 b |
KG10 | 45.76±1.12 a | 1.09±0.09 e | 42.50±3.01 a |
KG20 | 38.92±1.31 b | 1.00±0.04 e | 39.27±2.61 a |
S5 | 24.94±2.11 ef | 19.65±0.59 c | 1.28±0.14 c |
S5-KG10 | 34.69±0.57 c | 18.57±0.43 c | 1.87±0.02 c |
S5-KG20 | 30.08±1.11 d | 15.83±0.93 d | 1.92±0.18 c |
S15 | 24.54±0.57 ef | 33.85±0.52 b | 0.73±0.01 c |
S15-KG10 | 21.94±0.26 f | 34.23±1.60 b | 0.65±0.04 c |
S15-KG20 | 27.04±0.37 de | 46.27±0.89 a | 0.59±0.02 c |
F值F value | 54.660 | 486.083 | 163.070 |
P值P value | 0.000 | 0.000 | 0.000 |
指标Index | 总氮Total N | 总磷Total P | 钾K+ | 钠Na+ | 氮磷比N/P |
---|---|---|---|---|---|
总磷Total P | 0.970** | ||||
钾K+ | 0.840** | 0.887** | |||
钠Na+ | -0.967** | -0.946** | -0.805** | ||
氮磷比N/P | -0.867** | -0.946** | -0.847** | 0.852** | |
钾/钠K+/Na+ | 0.808** | 0.855** | 0.859** | -0.812** | -0.755** |
Table 6 Correlation analysis of stoichiometric characteristics of N, P, Na+, K+ in leaves of K. virginica treated with different concentration of α-ketoglutarate under salt stress
指标Index | 总氮Total N | 总磷Total P | 钾K+ | 钠Na+ | 氮磷比N/P |
---|---|---|---|---|---|
总磷Total P | 0.970** | ||||
钾K+ | 0.840** | 0.887** | |||
钠Na+ | -0.967** | -0.946** | -0.805** | ||
氮磷比N/P | -0.867** | -0.946** | -0.847** | 0.852** | |
钾/钠K+/Na+ | 0.808** | 0.855** | 0.859** | -0.812** | -0.755** |
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