Sexually different physiological responses of Populus cathayana to nitrogen and phosphorus deficiencies
文献类型：期刊论文
| 作者 | Zhang, Sheng1 ; Jiang, Hao1; Zhao, Hongxia1; Korpelainen, Helena2; Li, Chunyang1
|
| 刊名 | TREE PHYSIOLOGY
 |
| 出版日期 | 2014-04-01 |
| 卷号 | 34期号:4页码:343-354 |
| 关键词 | dioecy nutrient deficiency photosynthesis PNUE PPUE |
| ISSN号 | 0829-318X |
| 通讯作者 | 李春阳 |
| 英文摘要 | Previous studies have shown that there are significant sexual differences in the morphological and physiological responses of Populus cathayana Rehder under stressful conditions. However, little is known about sex-specific differences in responses to nutrient deficiencies. In this study, the effects of nitrogen (N) and phosphorus (P) deficiencies on the morphological, physiological and chloroplast ultrastructural traits of P. cathayana males and females were investigated. The results showed that N and P deficiencies significantly decreased plant growth, foliar N and P contents, chlorophyll content, photosynthesis, and instantaneous photosynthetic N- and P-use efficiencies (PNUE and PPUE) in both sexes. Males had higher photosynthesis, higher PNUE and PPUE rates, and a lower accumulation of plastoglobules in chloroplasts than did females when exposed to N-and P-deficiency conditions. Nitrogen-deficient males had higher glutamate dehydrogenase and peroxidase activities, and a more intact chloroplast ultrastructure, but less starch accumulation than did N-deficient females. Phosphorus-deficient males had higher nitrate reductase, glutamine synthetase and acid phosphatase activities, but a lower foliar N : P ratio and less PSII damage than did P-deficient females. These results suggest that N and P deficiencies cause greater negative effects on females than on males, and that the different sexes of P. cathayana may employ different strategies to cope with N and P deficiencies. |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
| 类目[WOS] | Forestry |
| 研究领域[WOS] | Forestry |
| 关键词[WOS] | SEX-RELATED DIFFERENCES ; CHLOROPHYLL FLUORESCENCE ; GLUTAMINE-SYNTHETASE ; USE EFFICIENCY ; NUTRIENT-AVAILABILITY ; POTASSIUM-DEFICIENCY ; EUCALYPTUS-GLOBULUS ; ACID-PHOSPHATASES ; FLOWERING PLANTS ; OXIDATIVE STRESS |
| 收录类别 | SCI |
| 原文出处 | http://www.ncbi.nlm.nih.gov/pubmed/24739232 |
| 语种 | 英语 |
| WOS记录号 | WOS:000335892100003 |
| 公开日期 | 2014-12-03 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/7502]  |
| 专题 | 成都山地灾害与环境研究所_山地表生过程与生态调控重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu 610041, Peoples R China 2.Univ Helsinki, Dept Agr Sci, FI-00014 Helsinki, Finland |
| 推荐引用方式 GB/T 7714 | Zhang, Sheng,Jiang, Hao,Zhao, Hongxia,et al. Sexually different physiological responses of Populus cathayana to nitrogen and phosphorus deficiencies[J]. TREE PHYSIOLOGY,2014,34(4):343-354. |
| APA | Zhang, Sheng,Jiang, Hao,Zhao, Hongxia,Korpelainen, Helena,&Li, Chunyang.(2014).Sexually different physiological responses of Populus cathayana to nitrogen and phosphorus deficiencies.TREE PHYSIOLOGY,34(4),343-354. |
| MLA | Zhang, Sheng,et al."Sexually different physiological responses of Populus cathayana to nitrogen and phosphorus deficiencies".TREE PHYSIOLOGY 34.4(2014):343-354. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
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