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	Chlorophyll fluorescence and gas exchange responses of maize seedlings to saline-alkaline stress
	Deng, C. N.1,2; Zhang, G. X.1; Pan, X. L.3; Zhao, K. Y.1
刊名	Bulgarian journal of agricultural science
	2010-02-01
卷号	16期号:1页码:49-58
关键词	Fast chlorophyll fluorescence induction Photosystem ii Photosynthesis rate Salinity-alkalinity Zea mays l.
ISSN号	1310-0351
通讯作者	Zhang, g. x.(zhgx@neigae.ac.cn)
英文摘要	Deng, c. n., g x. zhang, x. l. pan and k. y. zhao, 2010. chlorophyll fluorescence and gas exchange responses of maize seedlings to saline-alkaline stress. bulg. j. agric. sc., 16: 49-58 responses of photosynthesis rate, stomatal conductance, chlorophyll fluorescence characteristics and chlorophyll content of maize (zea mays l.) seedlings under combined salinity-alkalinity stress were examined. investigation revealed that the net photosynthesis rate (p-n) and stomatal conductance (g(s)) decreased rapidly with increasing of salinity-alkalinity stress. the intercellular co2 concentration (c-i) decreased at low salinity-alkalinity and increased at high salinity-alkalinity. the maximal efficiency of photosystem ii (psii) photochemistry (f-v/f-m) decreased only at high salinity-alkalinity. the comprehensive photosynthesis performance index (piabs) gradually decreased with increasing of salinity-alkalinity concentration. the jip test showed that the electric transfer of donor side and acceptor side of psii in maize seedlings were inhibited by high salinity-alkalinity stress. stomatal limitation is the main reason of decreased photosynthesis rate at low salinity-alkalinity, and non-stomatal limitation, i.e. decreased photosynthesis activity in psii plays an important role in decreased photosynthesis rate at high salinity-alkalinity.
WOS关键词	J-I-P ; SALT-STRESS ; A FLUORESCENCE ; PHOTOSYSTEM-II ; CHLAMYDOMONAS-REINHARDTII ; PHOTOSYNTHETIC APPARATUS ; STOMATAL RESPONSES ; LEAVES ; GROWTH ; PLANTS
WOS研究方向	Agriculture
WOS类目	Agriculture, Multidisciplinary
语种	英语
出版者	SCIENTIFIC ISSUES NATL CENTRE AGRARIAN SCIENCES
WOS记录号	WOS:000291833500008
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2411250
专题	中国科学院大学
通讯作者	Zhang, G. X.
作者单位	1.Chinese Acad Sci, NE Inst Geog & Agroecol, Key Lab Wetland Ecol & Environm, Changchun 130012, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Key Lab Biogeog & Bioresource Arid Land, Urumqi 830011, Peoples R China
推荐引用方式 GB/T 7714	Deng, C. N.,Zhang, G. X.,Pan, X. L.,et al. Chlorophyll fluorescence and gas exchange responses of maize seedlings to saline-alkaline stress[J]. Bulgarian journal of agricultural science,2010,16(1):49-58.
APA	Deng, C. N.,Zhang, G. X.,Pan, X. L.,&Zhao, K. Y..(2010).Chlorophyll fluorescence and gas exchange responses of maize seedlings to saline-alkaline stress.Bulgarian journal of agricultural science,16(1),49-58.
MLA	Deng, C. N.,et al."Chlorophyll fluorescence and gas exchange responses of maize seedlings to saline-alkaline stress".Bulgarian journal of agricultural science 16.1(2010):49-58.

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