Knowledge Management System Of Institute Of Botany,CAS
| Effects of leaf zeatin and zeatin riboside induced by different clipping heights on the regrowth capacity of ryegrass | |
| Wang, Xiao-Ling; Guo, Xiao-Lin; Hou, Xiao-Gai; Zhao, Wei; Xu, Guo-Wei; Li, Zhen-Qing | |
| 2014 | |
| 发表期刊 | ECOLOGICAL RESEARCH
 |
| ISSN | 0912-3814 |
| 卷号 | 29期号:2页码:167-180 |
| 摘要 | The effect of clipping height on ryegrass regrowth was investigated by examining the roles of several plant hormones. Our study consisted of three treatment conditions: (1) darkness over whole plants, (2) darkness only over stubble leaf sheaths, and (3) light over whole plants. Results showed that under darkness over whole plant, low stubble height resulted in low leaf regrowth biomass. Similar leaf regrowth biomass was observed under conditions of darkness only over stubble leaf sheaths as well as light over whole plants. Each unit weight of stubble at different clipping heights has relatively similar potential of providing stored organic substance for leaf regrowth. Therefore, regrowth index, calculated as newly grown leaf biomass divided by unit stubble weight, was used to evaluate regrowth capacity at different clipping heights under minimal influence of organic substances stored in stubbles. Under light over whole plants and single clipping, low stubble height and high stubble height with root thinning resulted in low leaf biomass and high regrowth index. On the other hand, under light over whole plants and frequent clipping high leaf biomass and regrowth index were observed in high stubble height. In addition, we found that leaf zeatin and zeatin riboside (Z + ZR) affected ryegrass regrowth and that roots regulated leaf Z + ZR concentration. Thus, our results indicate that root-derived cytokinin concentration in leaves influences ryegrass regrowth at different clipping heights. |
| 关键词 | Ryegrass Cytokinin Regrowth Stubble height |
| 学科领域 | Ecology |
| DOI | 10.1007/s11284-013-1107-0 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS关键词 | SOLUBLE CARBOHYDRATE RESERVES ; WATER-STRESS ; CYTOKININ ; NITROGEN ; PLANTS ; RICE ; DEFOLIATION ; GROWTH ; ROOTS ; GRASS |
| WOS研究方向 | Environmental Sciences & Ecology |
| WOS记录号 | WOS:000333157400007 |
| 出版者 | SPRINGER JAPAN KK |
| 文献子类 | Article |
| 出版地 | TOKYO |
| EISSN | 1440-1703 |
| 资助机构 | National Natural Science Foundation of China program [U1304326] ; Scientific Research Program of Henan Provincial Education Department in China [2011A180012] ; innovation capability cultivation foundation in natural science of Henan university of Science and technology [2012ZCX007] ; special Postdoctoral Science Foundation of China [201003183] |
| 作者邮箱 | xlwang1975@163.com |
| 作品OA属性 | hybrid |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ibcas.ac.cn/handle/2S10CLM1/27097 |
| 专题 | 植被与环境变化国家重点实验室 |
| 作者单位 | 1.[Wang, Xiao-Ling 2.Guo, Xiao-Lin 3.Hou, Xiao-Gai 4.Zhao, Wei 5.Henan Univ Sci & Technol, Coll Agron, Luoyang 471003, Henan, Peoples R China 6.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Xiao-Ling,Guo, Xiao-Lin,Hou, Xiao-Gai,et al. Effects of leaf zeatin and zeatin riboside induced by different clipping heights on the regrowth capacity of ryegrass[J]. ECOLOGICAL RESEARCH,2014,29(2):167-180. |
| APA | Wang, Xiao-Ling,Guo, Xiao-Lin,Hou, Xiao-Gai,Zhao, Wei,Xu, Guo-Wei,&Li, Zhen-Qing.(2014).Effects of leaf zeatin and zeatin riboside induced by different clipping heights on the regrowth capacity of ryegrass.ECOLOGICAL RESEARCH,29(2),167-180. |
| MLA | Wang, Xiao-Ling,et al."Effects of leaf zeatin and zeatin riboside induced by different clipping heights on the regrowth capacity of ryegrass".ECOLOGICAL RESEARCH 29.2(2014):167-180. |
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