Bulletin of Botanical Research ›› 2024, Vol. 44 ›› Issue (2): 267-278.doi: 10.7525/j.issn.1673-5102.2024.02.012
• Physiology and Ecology • Previous Articles Next Articles
Lixue YANG1, Shilin LIU1, Hanxuan FU1, Siyu ZHOU1, Huifeng LIU2, Fangyuan SHEN1()
Received:
2023-10-07
Online:
2024-03-20
Published:
2024-03-11
Contact:
Fangyuan SHEN
E-mail:shuke9197@126.com
CLC Number:
Lixue YANG, Shilin LIU, Hanxuan FU, Siyu ZHOU, Huifeng LIU, Fangyuan SHEN. Effects of Vegetation Control on Root Traits of Artificial Regeneration of Tilia amurensis Saplings[J]. Bulletin of Botanical Research, 2024, 44(2): 267-278.
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URL: https://bbr.nefu.edu.cn/EN/10.7525/j.issn.1673-5102.2024.02.012
Fig.2
Effects of different treatments on the root morphological characteristics of T. amurensis saplingsDifferent capital letters indicated significant difference among treatments for the same fine root type,while different lowercase letters indicated significant difference between absorptive roots and transport roots under the same treatment. *P<0.05,**P<0.01,***P<0.001.The same as below.
Fig.5
Redundancy analysis(RDA) of root traits and soil factors in absorptive roots(A) and transport roots(B) of T. amurensis saplingsRD.Root diameter;SRA.Specific surface area;SRL.Specific root length;RTD.Root tissue density;RTC.Root total carbon content;RTN.Root total nitrogen content;RTP.Root total phosphorus content;RSSC.Root soluble sugar content;RSC.Root starch content;SM.Soil moisture;pH.Soil pH;TC.Soil total carbon content;TN.Soil total nitrogen content;TP.Soil total phosphorus content;AN.Soil available nitrogen content;AP.Soil available phosphorus content.
Table 1
Correlation analysis of absorptive root characters and soil factors of T. amurensis
因素 Factors | 土壤pH Soil pH | 土壤含水量 Soil moisture | 土壤全碳 Soil total carbon | 土壤全氮 Soil total nitrogen | 土壤全磷 Soil total phosphorus | 土壤速效磷 Soil available phosphorus | 土壤有效氮 Soil available nitrogen |
---|---|---|---|---|---|---|---|
根直径 Root diameter | -0.025 | -0.051 | -0.242 | -0.322 | -0.084 | -0.507* | -0.125 |
比表面积 Specific surface area | -0.030 | -0.128 | 0.141 | 0.253 | 0.199 | 0.411 | -0.012 |
比根长 Specific root length | -0.139 | -0.066 | 0.128 | 0.205 | -0.046 | 0.347 | 0.099 |
组织密度 Root tissue density | -0.135 | 0.069 | -0.171 | -0.249 | -0.352 | -0.377 | 0.105 |
根全碳 Root total carbon | 0.543* | 0.320 | 0.586** | 0.472* | 0.417 | 0.370 | 0.200 |
根全氮 Root total nitrogen | 0.272 | 0.001 | 0.417 | 0.590** | 0.356 | 0.534* | 0.253 |
根全磷 Root total phosphorus | 0.257 | 0.102 | 0.391 | 0.408 | 0.381 | 0.386 | 0.162 |
可溶性糖 Soluble sugar | -0.324 | 0.012 | -0.402 | -0.532* | -0.104 | -0.071 | -0.256 |
淀粉 Starch | -0.697** | -0.436 | -0.734** | -0.723** | 0.534* | -0.223 | -0.335 |
Table 3
Correlation analysis of transport root characters and soil factors of T. amurensis
因素 Factors | 土壤pH Soil pH | 土壤含水量 Soil moisture | 土壤全碳 Soil total carbon | 土壤全氮 Soil total nitrogen | 土壤全磷 Soil total phosphorus | 土壤速效磷 Soil available phosphorus | 土壤有效氮 Soil available nitrogen |
---|---|---|---|---|---|---|---|
根直径 Root diameter | -0.604** | -0.299 | -0.618** | -0.669** | -0.494* | -0.347 | -0.146 |
比表面积 Specific surface area | 0.570** | 0.432 | 0.499* | 0.487* | 0.385 | 0.439 | -0.102 |
比根长 Specific root length | 0.522* | 0.406 | 0.517* | 0.539* | 0.405 | 0.453* | -0.015 |
组织密度 Root tissue density | 0.130 | -0.258 | -0.029 | 0.111 | -0.044 | -0.210 | 0.237 |
根全碳 Root total carbon | 0.295 | 0.168 | 0.465* | 0.549* | 0.459* | 0.405 | 0.459* |
根全氮 Root total nitrogen | 0.385 | 0.102 | 0.517* | 0.604** | 0.532* | 0.459* | 0.272 |
根全磷 Root total phosphorus | 0.360 | 0.543* | 0.544* | 0.353 | 0.161 | 0.062 | 0.250 |
可溶性糖 Soluble sugar | -0.211 | -0.155 | -0.453* | -0.558* | -0.258 | -0.531* | -0.337 |
淀粉 Starch | -0.150 | -0.060 | -0.174 | -0.089 | -0.372 | -0.215 | 0.036 |
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