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题名:
Effects of low temperature and drought on the physiological and growth changes in oil palm seedlings
作者: Cao, Hong-Xing2; Sun, Cheng-Xu2; Shao, HongBo(邵宏波)1,3; Lei, Xin-Tao2
刊名: AFRICAN JOURNAL OF BIOTECHNOLOGY
ISSN号: 1684-5315
出版日期: 2011-04-04
卷号: 10, 期号:14, 页码:2630-2637
关键词: Oil palm ; drought stress ; low temperature stress ; physiological characteristics
学科分类: Biotechnology & Applied Microbiology
产权排序: [Shao, Hong-Bo] Chinese Acad Sci, CAS Shandong Prov Key Lab Coastal Environm Proc, Yantai Inst Costal Zone Res, Yantai 264003, Peoples R China; [Cao, Hong-Xing; Sun, Cheng-Xu; Lei, Xin-Tao] Chinese Acad Trop Agr Sci, Coconut Res Inst, Wenchang 571339, Hainan, Peoples R China; [Shao, Hong-Bo] Qingdao Univ Sci & Technol, Inst Life Sci, Qingdao 266042, Peoples R China
通讯作者: Shao, HB, Chinese Acad Sci, CAS Shandong Prov Key Lab Coastal Environm Proc, Yantai Inst Costal Zone Res, Yantai 264003, Peoples R China.shaohongbochu@126.com
作者部门: 滨海湿地实验室 
中文摘要: Water deficiency and low temperature are two important ecological factors which affect the distribution and cultivation of oil palm. To find out how oil palm adapts to the environmental conditions, the dynamics of a series of important physiological components derived from the leaves of potted oil palm seedlings under drought stress (DS) (water with holding) and low temperature stress (LTS) (10 degrees C) were studied. The results showed that low temperature and water stress inhibited the growth of oil palm seedlings. The relative conductivity, injury index, malondialdehyde (MDA) and proline content in the leaves increased to different degrees with the extension of low temperature and drought stress. Superoxide dismutase (SOD) and peroxidase (POD) activities increased and then decreased gradually with the duration of treatment time. The variations of the earlier mentioned parameters except proline content under low temperature stress were greater than that under drought stress. Thus, oil palm possibly showed different response mechanisms under low temperature and drought stress by mediations of these substances, in order to increase plant defense capability. These data provided the information that was utilized to initiate the breeding programme used to improve drought and cold tolerance in oil palm.
英文摘要: Water deficiency and low temperature are two important ecological factors which affect the distribution and cultivation of oil palm. To find out how oil palm adapts to the environmental conditions, the dynamics of a series of important physiological components derived from the leaves of potted oil palm seedlings under drought stress (DS) (water with holding) and low temperature stress (LTS) (10 degrees C) were studied. The results showed that low temperature and water stress inhibited the growth of oil palm seedlings. The relative conductivity, injury index, malondialdehyde (MDA) and proline content in the leaves increased to different degrees with the extension of low temperature and drought stress. Superoxide dismutase (SOD) and peroxidase (POD) activities increased and then decreased gradually with the duration of treatment time. The variations of the earlier mentioned parameters except proline content under low temperature stress were greater than that under drought stress. Thus, oil palm possibly showed different response mechanisms under low temperature and drought stress by mediations of these substances, in order to increase plant defense capability. These data provided the information that was utilized to initiate the breeding programme used to improve drought and cold tolerance in oil palm.
研究领域[WOS]: Biotechnology & Applied Microbiology
关键词[WOS]: LEAF WATER RELATIONS ; PROLINE ACCUMULATION ; ANTIOXIDANT ENZYMES ; OXIDATIVE STRESS ; GENE-EXPRESSION ; ABSCISIC-ACID ; PLANT-GROWTH ; WHEAT ; TOLERANCE ; MEMBRANE
文章类型: Article
收录类别: SCI
语种: 英语
WOS记录号: WOS:000290096600009
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/4814
Appears in Collections:中科院海岸带环境过程与生态修复重点实验室_期刊论文
滨海湿地实验室_期刊论文
山东省海岸带环境过程重点实验室_期刊论文

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

Recommended Citation:
Cao, Hong-Xing,Sun, Cheng-Xu,Shao, Hong-Bo,et al. Effects of low temperature and drought on the physiological and growth changes in oil palm seedlings[J]. AFRICAN JOURNAL OF BIOTECHNOLOGY,2011,10(14):2630-2637.
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