Sharing of nitrogen between connected ramets of Alternanthera philoxeroides in homogeneous environments
文献类型：期刊论文
| 作者 | Dong, Bi-Cheng; Wang, Pu2; Luo, Fang-Li |
| 刊名 | PLANT AND SOIL
 |
| 出版日期 | 2022 |
| 卷号 | 478期号:1-2页码:445-460 |
| 关键词 | Alternanthera philoxeroides Clonal plants Directional transport N-15 isotope trace Partitioning of N Physiological integration |
| ISSN号 | 0032-079X |
| DOI | 10.1007/s11104-022-05475-5 |
| 文献子类 | Article |
| 英文摘要 | Purpose Benefits of clonal integration have been widely documented in clonal species, but quantitative tests of the translocation of resources in both directions between older and younger ramets (e.g., transport rate and partitioning pattern) are still scarce. Methods A control experiment, using a clonal species Alternanthera philoxeroides as plant material and the technique of N-15 isotope, was conducted to quantify the transport rate of nitrogen (N) in two opposite directions (i.e., from younger to older ramets or the other way around) within a clone, and the partitioning proportion of N in recipient ramets. Results The amount of N-15 transported toward the apical part was markedly reduced at the higher external N level, whereas the amount of N-15 transported toward the basal part was unrelated to the external N levels. The rate of N-15 acropetal transport basically averaged 20.9%, and the rate of N-15 basipetal transport generally ranged between 0.2% and 6.3%, both being negatively dependent of Delta PNC (i.e., difference in plant N concentration [PNC] between apical and basal parts). The proportion of N-15 in stems and leaves averaged 74.7% and 18.1%, respectively; the proportion of root N-15 in the apical part significantly decreased from 7.6% to 0.4% when acropetal transport occurred. Conclusion These results suggest that N sharing between connected ramets tended to be acropetal and the partitioning pattern of N is organ-specific in A. philoxeroides, which potentially contributes to the early development of young ramets, and also to the spread of A. philoxeroides in limited N conditions. |
| 学科主题 | Agronomy ; Plant Sciences ; Soil Science |
| 出版地 | DORDRECHT |
| 电子版国际标准刊号 | 1573-5036 |
| WOS关键词 | DIVISION-OF-LABOR ; CLONAL INTEGRATION ; PHYSIOLOGICAL INTEGRATION ; ALLIGATOR WEED ; PHENOTYPIC PLASTICITY ; BIOMASS ALLOCATION ; PERENNIAL GRASSES ; PLANT-GROWTH ; N-15 ; TRANSLOCATION |
| WOS研究方向 | Science Citation Index Expanded (SCI-EXPANDED) |
| 语种 | 英语 |
| WOS记录号 | WOS:000795525100001 |
| 出版者 | SPRINGER |
| 资助机构 | Fundamental Research Funds for the National Natural Science Foundation of China [31500331, 32071525] |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/28619]  |
| 专题 | 植物研究所_光合作用研究中心_光合作用研究中心_学位论文 |
| 作者单位 | 1.Beijing Forestry Univ, Sch Ecol & Nat Conservat, Beijing 100083, Peoples R China 2.Beijing Forestry Univ, Key Lab Ecol Protect Yellow River Basin Natl Fore, Beijing 100083, Peoples R China 3.Chinese Acad Sci, Inst Bot, Beijing 100093, Peoples R China |
| 推荐引用方式 GB/T 7714 | Dong, Bi-Cheng,Wang, Pu,Luo, Fang-Li. Sharing of nitrogen between connected ramets of Alternanthera philoxeroides in homogeneous environments[J]. PLANT AND SOIL,2022,478(1-2):445-460. |
| APA | Dong, Bi-Cheng,Wang, Pu,&Luo, Fang-Li.(2022).Sharing of nitrogen between connected ramets of Alternanthera philoxeroides in homogeneous environments.PLANT AND SOIL,478(1-2),445-460. |
| MLA | Dong, Bi-Cheng,et al."Sharing of nitrogen between connected ramets of Alternanthera philoxeroides in homogeneous environments".PLANT AND SOIL 478.1-2(2022):445-460. |
入库方式： OAI收割
来源：植物研究所
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