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题名:
Growth and physiological responses to water and nutrient stress in oil palm
作者: Sun, Cheng-xu2; Cao, Hong-xing2; Shao, HongBo(邵宏波)1,3; Lei, Xin-tao2; Xiao, Yong2
刊名: AFRICAN JOURNAL OF BIOTECHNOLOGY
ISSN号: 1684-5315
出版日期: 2011-09-07
卷号: 10, 期号:51, 页码:10465-10471
关键词: Plant growth ; physiology response ; nutrient concentration ; water stress ; nutrient stress
学科分类: Biotechnology & Applied Microbiology
产权排序: [Shao, Hong-bo] CAS, Yantai Inst Coastal Zone Res, CAS Shandong Prov Key Lab Coastal Environm Proc, Yantai 264003, Shandong, Peoples R China; [Sun, Cheng-xu; Cao, Hong-xing; Lei, Xin-tao; Xiao, Yong] Chinese Acad Trop Agr Sci, Coconut Res Inst, Hainan Key Lab Trop Oil Crops Biol, Wenchang 571339, Hainan, Peoples R China; [Shao, Hong-bo] QUST, Inst Life Sci, Qingdao 266042, Shandong, Peoples R China
通讯作者: Shao, HB (reprint author), CAS, Yantai Inst Coastal Zone Res, CAS Shandong Prov Key Lab Coastal Environm Proc, Yantai 264003, Shandong, Peoples R China
作者部门: 滨海湿地实验室 
中文摘要: The research was conducted to detect changes in growth, physiology and nutrient concentration in response to two watering regimes (well-watered and water-stress conditions) and to two nutrient regimes (with or without fertilization) of oil palm. Under stress conditions, changes in plant growth, dry matter allocation, relative water content, leaf relative conductivity, leaf N, P and K concentration are usually observed. These characteristics and related parameters were determined and the experiment results are listed as follows: (1) fertilization promoted the growth of oil palm under well-watered conditions, while under water stress conditions its effects on growth was negative. The ratio of root/shoot was increased under water stress condition; (2) relative water content and chlorophyll a/b content were gradually decreased while leaf relative conductivity was increased quickly under water and nutrient stress conditions during the experiment. It is obvious that water stress had a greater influence than nutrient stress on these parameters; (3) water and nutrient stress decreased leaf nitrogen and phosphorus concentration but increased potassium concentration; the combination of water and nutrient stress made significant effects on nitrogen and phosphorus concentration, but no significant effects on potassium concentration. Moreover, deficiency of both water and nutrients in combination had the greatest impact on changes in these traits of oil palm.
英文摘要: The research was conducted to detect changes in growth, physiology and nutrient concentration in response to two watering regimes (well-watered and water-stress conditions) and to two nutrient regimes (with or without fertilization) of oil palm. Under stress conditions, changes in plant growth, dry matter allocation, relative water content, leaf relative conductivity, leaf N, P and K concentration are usually observed. These characteristics and related parameters were determined and the experiment results are listed as follows: (1) fertilization promoted the growth of oil palm under well-watered conditions, while under water stress conditions its effects on growth was negative. The ratio of root/shoot was increased under water stress condition; (2) relative water content and chlorophyll a/b content were gradually decreased while leaf relative conductivity was increased quickly under water and nutrient stress conditions during the experiment. It is obvious that water stress had a greater influence than nutrient stress on these parameters; (3) water and nutrient stress decreased leaf nitrogen and phosphorus concentration but increased potassium concentration; the combination of water and nutrient stress made significant effects on nitrogen and phosphorus concentration, but no significant effects on potassium concentration. Moreover, deficiency of both water and nutrients in combination had the greatest impact on changes in these traits of oil palm.
研究领域[WOS]: Biotechnology & Applied Microbiology
关键词[WOS]: USE EFFICIENCY ; NITROGEN STRESS ; WINTER-WHEAT ; PLANT-GROWTH ; DRY-MATTER ; SOIL-WATER ; PHOTOSYNTHESIS ; SEEDLINGS ; MAIZE ; ACCUMULATION
文章类型: Article
收录类别: SCI
语种: 英语
WOS记录号: WOS:000298391500018
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/5315
Appears in Collections:滨海湿地实验室_期刊论文

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作者单位: 1.CAS, Yantai Inst Coastal Zone Res, CAS Shandong Prov Key Lab Coastal Environm Proc, Yantai 264003, Shandong, Peoples R China
2.Chinese Acad Trop Agr Sci, Coconut Res Inst, Hainan Key Lab Trop Oil Crops Biol, Wenchang 571339, Hainan, Peoples R China
3.QUST, Inst Life Sci, Qingdao 266042, Shandong, Peoples R China

Recommended Citation:
Sun, Cheng-xu,Cao, Hong-xing,Shao, Hong-bo,et al. Growth and physiological responses to water and nutrient stress in oil palm[J]. AFRICAN JOURNAL OF BIOTECHNOLOGY,2011,10(51):10465-10471.
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