Buckwheat (Fagopyrum esculentum Moench) has high capacity to take up phosphorus (P) from a calcium (Ca)-bound source
文献类型：期刊论文
| 作者 | Smith, FA; Smith, SE; He, YQ; Zhu, YG |
| 刊名 | PLANT AND SOIL
 |
| 出版日期 | 2002 |
| 卷号 | 239期号:1页码:1-8 |
| 关键词 | Buckwheat Fagopyrum Esculentum Moench Nitrogen Source Phosphate Uptake Efficiency Rock Phosphate Wheat |
| DOI | 10.1023/A:1014958029905 |
| 英文摘要 | Two experiments were carried out in a growth chamber to investigate the phosphorus (P)-uptake efficiency of Fagopyrum esculentum Moench (buckwheat) and Triticum aestivum (spring wheat) from a Ca-bound form. The first experiment was based on a sand-culture system with either rock phosphate (RP) or CaHPO4 (CaHP) as the P source and nitrate or ammonium nitrate as nitrogen source. A highly calcareous soil was used in the second experiment. Buckwheat was shown to be highly efficient in taking up Ca-bound P compared to spring wheat. When plants were supplied with nitrate, the total P uptake by buckwheat from RP was nearly 10-fold higher than that of spring wheat (20.1 compared with 2.1 mg P pot(-1)). Changing nitrogen source from nitrate only to ammonium nitrate increased P uptake by spring wheat substantially, but not buckwheat. High P-uptake efficiency of buckwheat was also demonstrated using the field soil, but to a lesser extent, which may be related to the difference in Zn supply between sand culture and field soil. It is suggested that buckwheat may be included in intercropping or crop rotation systems to activate P sources in calcareous soils. The principal mechanism of P uptake efficiency of buckwheat may be its ability to acidify the rhizosphere; however, further study is needed to unravel the regulation of root excretion of H+ and its molecular basis in order to exploit buckwheat's genetic capability to utilise sparingly soluble P from soil. |
| WOS研究方向 | Agriculture ; Plant Sciences |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/23952]  |
| 专题 | 生态环境研究中心_土壤环境科学实验室 |
| 推荐引用方式 GB/T 7714 | Smith, FA,Smith, SE,He, YQ,et al. Buckwheat (Fagopyrum esculentum Moench) has high capacity to take up phosphorus (P) from a calcium (Ca)-bound source[J]. PLANT AND SOIL,2002,239(1):1-8. |
| APA | Smith, FA,Smith, SE,He, YQ,&Zhu, YG.(2002).Buckwheat (Fagopyrum esculentum Moench) has high capacity to take up phosphorus (P) from a calcium (Ca)-bound source.PLANT AND SOIL,239(1),1-8. |
| MLA | Smith, FA,et al."Buckwheat (Fagopyrum esculentum Moench) has high capacity to take up phosphorus (P) from a calcium (Ca)-bound source".PLANT AND SOIL 239.1(2002):1-8. |
入库方式： OAI收割
来源：生态环境研究中心
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