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Growth and physiological responses to water and nutrient stress in oil palm
Sun, Cheng-xu2; Cao, Hong-xing2; Shao, Hong-bo1,3; Lei, Xin-tao2; Xiao, Yong2
2011-09-07
发表期刊AFRICAN JOURNAL OF BIOTECHNOLOGY
ISSN1684-5315
卷号10期号:51页码:10465-10471
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
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.; 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.
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
关键词Plant Growth Physiology Response Nutrient Concentration Water Stress Nutrient Stress
作者部门滨海湿地实验室 
学科领域Biotechnology & Applied Microbiology
项目资助者Central Public-interest Scientific Institution Basal Research[ITBBKF081]; Feasibility Analysis of Development of Oil Palm and Tea-oil Tree Industry[2010-YBJ-03]; Chinese Academy of Sciences (CAS)[XDA01020304]; CAS/SAFEA; National Natural Science Foundation of China[41171216]; Yantai Double-hundred Talent Plan[XY-003-02]; Science and Technology Development Plan of Yantai City[2011016]
收录类别SCI
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
语种英语
WOS研究方向Biotechnology & Applied Microbiology
WOS记录号WOS:000298391500018
引用统计
被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/5315
专题滨海湿地实验室
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
推荐引用方式
GB/T 7714
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.
APA Sun, Cheng-xu,Cao, Hong-xing,Shao, Hong-bo,Lei, Xin-tao,&Xiao, Yong.(2011).Growth and physiological responses to water and nutrient stress in oil palm.AFRICAN JOURNAL OF BIOTECHNOLOGY,10(51),10465-10471.
MLA Sun, Cheng-xu,et al."Growth and physiological responses to water and nutrient stress in oil palm".AFRICAN JOURNAL OF BIOTECHNOLOGY 10.51(2011):10465-10471.
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