Bulletin of Botanical Research ›› 2021, Vol. 41 ›› Issue (5): 712-720.doi: 10.7525/j.issn.1673-5102.2021.05.009
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Dan CAO, Shi-Zhen WANG, Mei HAN()
Received:
2020-12-10
Online:
2021-09-20
Published:
2021-07-05
Contact:
Mei HAN
E-mail:sthanmei@njfu.edu.cn
About author:
CAO Dan(1996—),femal,master student,majoring in plant biochemistry and molecular biology.
Supported by:
CLC Number:
Dan CAO, Shi-Zhen WANG, Mei HAN. Effect of the Environment-friendly Nutrient Synergist Polyaspartic Acid on the Growth of Poplar Seedlings[J]. Bulletin of Botanical Research, 2021, 41(5): 712-720.
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URL: https://bbr.nefu.edu.cn/EN/10.7525/j.issn.1673-5102.2021.05.009
Table 2
Multiple analysis of growth index of poplar hybrid ‘Nanlin895’ under different N and PASP concentrations
地上部分鲜重 Shoot fresh weight(g) | 根鲜重 Root fresh weight(g) | 根冠比 Root shoot ratio | 株高 Height(cm) | 根长 Root length(cm) | 叶片数 Blade quantity | 叶面积 Leaf area(mm2) | |
---|---|---|---|---|---|---|---|
N | ** | ns | *** | *** | *** | *** | ns |
PASP | ns | ns | *** | ns | ns | ns | * |
N×PASP | *** | * | *** | ** | ns | * | * |
Table 3
Growth index of poplar hybrid ‘Nanlin895’ under different N and PASP concentrations
氮浓度 Nitrogen concentration (mmol·L-1) | PASP浓度 PASP concentration (mg·L-1) | 地上部分鲜重 Shoot fresh weight (g) | 根鲜重 Root fresh weight (g) | 根冠比 Root shoot ratio | 株高 Height(cm) | 根长 Root length(cm) | 叶片数 blade quantity | 叶面积 Leaf area(mm2) |
---|---|---|---|---|---|---|---|---|
0 | 0 | 0.415±0.067d | 0.326±0.029b | 0.8±0.161a | 13.4±0.656d | 14.833±1.95ab | 6.667±1.528d | 797.467±174.363d |
0 | 100 | 0.897±0.086cd | 0.398±0.112b | 0.45±0.147bc | 16.733±0.874bcd | 16.5±4.451a | 7.667±1.155cd | 1 605±363.736ab |
0 | 200 | 1.351±0.394c | 0.488±0.096b | 0.278±0.115de | 17.267±2.369bc | 15.467±4.1ab | 10±0bc | 1 384.733±523.014abc |
0.2 | 0 | 0.949±0.117cd | 0.473±0.074b | 0.503±0.089b | 18.567±1.332ab | 15.6±0.755ab | 8±1.732cd | 1 134.333±75.368bcd |
0.2 | 100 | 1.459±0.381bc | 0.515±0.094b | 0.358±0.029bcde | 19.667±2.021ab | 14.3±3.315abc | 10.333±2.517abc | 1 650.333±261.041ab |
0.2 | 200 | 1.364±0.117c | 0.424±0.056b | 0.311±0.042cde | 18.367±2.139ab | 15.633±1.656ab | 11.667±1.528ab | 1 472.667±419.769abc |
2 | 0 | 1.496±0.236bc | 0.424±0.058b | 0.284±0.01de | 19.2±0.917ab | 14.867±2.203ab | 11±1ab | 1 728.333±219.719a |
2 | 100 | 2.119±0.709ab | 0.569±0.18ab | 0.269±0.005e | 21.367±4.455a | 14.633±0.071ab | 13±2.121a | 1 440.25±245.704abc |
2 | 200 | 1.187±0.015abc | 0.381±0.071b | 0.321±0.056cde | 17.35±0.212ab | 13.9±0.566ab | 11.5±0.707ab | 1 428.667±359.78abc |
10 | 0 | 2.217±0.548a | 0.785±0.326a | 0.345±0.054cde | 18.9±1.345ab | 11.167±1.756bcd | 12.333±0.577ab | 923.433±229.832cd |
10 | 100 | 0.865±0.261cd | 0.362±0.064b | 0.433±0.077bcd | 14.067±1.242cd | 9.167±0.85d | 9.667±2.309bc | 1 255.333±167.166abc |
10 | 200 | 1.039±0.362cd | 0.351±0.092b | 0.344±0.033cde | 14±2.358cd | 9.933±1.15cd | 9.667±1.155bc | 1 362.333±300.507abcd |
Table 5
NUtE of mature leaves in poplar hybrid ‘Nanlin 895’ under different N and PASP concentrations
氮浓度 Nitrogen concentration (mmol·L-1) | PASP浓度 PASP concentration (mg·L-1) | NUtE (g·g-1) |
---|---|---|
0.2 | 0 | 28.47±3.51b |
0.2 | 100 | 43.78±11.421a |
0.2 | 200 | 40.91±3.504a |
2 | 0 | 4.488±0.708c |
2 | 100 | 6.357±1.976c |
2 | 200 | 4.672±1.927c |
10 | 0 | 1.33±0.329c |
10 | 100 | 0.519±0.157c |
10 | 200 | 0.624±0.217c |
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