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Title:
Effects of low temperature and drought on the physiological and growth changes in oil palm seedlings
Author: Cao, Hong-Xing2; Sun, Cheng-Xu2; Shao, HongBo(邵宏波)1,3; Lei, Xin-Tao2
Source: AFRICAN JOURNAL OF BIOTECHNOLOGY
ISSN: 1684-5315
Issued Date: 2011-04-04
Volume: 10, Issue:14, Pages:2630-2637
Keyword: Oil palm ; drought stress ; low temperature stress ; physiological characteristics
Subject: Biotechnology & Applied Microbiology
Rank: [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
Corresponding Author: 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
Department: 滨海湿地实验室 
Abstract: 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.
English Abstract: 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.
WOS Subject Extended: Biotechnology & Applied Microbiology
WOS Keyword Plus: LEAF WATER RELATIONS ; PROLINE ACCUMULATION ; ANTIOXIDANT ENZYMES ; OXIDATIVE STRESS ; GENE-EXPRESSION ; ABSCISIC-ACID ; PLANT-GROWTH ; WHEAT ; TOLERANCE ; MEMBRANE
DOC Type: Article
Indexed Type: SCI
Language: 英语
WOS ID: WOS:000290096600009
Citation statistics:
Content Type: 期刊论文
URI: http://ir.yic.ac.cn/handle/133337/4814
Appears in Collections:滨海湿地实验室_期刊论文
中科院海岸带环境过程与生态修复重点实验室_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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description.institution: 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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