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	Diurnal patterns of net photosynthetic rate, stomatal conductance, and chlorophyll fluorescence in leaves of field-grown mungbean (Phaseolus radiatus) and millet (Setaria italica)
	Yang, JD; Zhao, HL; Zhang, TH
刊名	NEW ZEALAND JOURNAL OF CROP AND HORTICULTURAL SCIENCE
	2004-09-01
卷号	32期号:3页码:273-279
关键词	mungbean millet diurnal pattern photosynthesis chlorophyll a fluorescence and and semi-arid regions
ISSN号	0114-0671
通讯作者	Yang, JD(yangjiading@sina.com)
英文摘要	The diurnal variations of net photosynthetic rate (P-n), quantum yield of photochemical quenching (Y-P), and non-photochemical quenching (Y-N) of photosystem II (PSII), as well as stomatal status were studied in leaves of field-grown mungbean (Phaseolus radiatus, C-3 crop) and millet (Setaria italica, C-4 crop) in and and semi-arid regions of China. Although patterns of P-n in both crops were one-peak curves, the time that P-n peaks occurred was 0600 h for mungbean and 1000 h for millet. Y-P was always higher, whereas Y-N was lower in mungbean leaves than in millet. By analysing the pool size of the primary electron acceptor of PSII (Q(A)), it was indicated that millet leaves had a higher capacity to control or regulate the reduction state of Q(A), thus dissipating excessive energy under intense irradiance and high ambient temperature, and therefore advantageous to leaf photosynthesis in millet. Midday depression of stomatal conductance occurred in both crops, but played different roles on leaf photosynthesis in mungbean and millet. Additionally, stomatal regulation operated for much longer in millet leaves than in mungbean. In general, the present studies indicated that regulation of the Q(A) reduction state and operation of stomata were two physiological factors contributing to millet being more adaptive than mungbean for cultivation in and and semi-arid regions.
收录类别	SCI
WOS关键词	PHOTOSYSTEM-II ; MIDDAY DEPRESSION ; HIGH-TEMPERATURE ; HEAT-STRESS ; IN-VIVO ; LIGHT ; PHOTORESPIRATION ; CYCLE ; PHOTOINHIBITION ; CHLOROPLASTS
WOS研究方向	Agriculture
WOS类目	Agronomy ; Horticulture
语种	英语
出版者	SIR PUBLISHING
WOS记录号	WOS:000224690600003
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2555590
专题	寒区旱区环境与工程研究所
通讯作者	Yang, JD
作者单位	Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Yang, JD,Zhao, HL,Zhang, TH. Diurnal patterns of net photosynthetic rate, stomatal conductance, and chlorophyll fluorescence in leaves of field-grown mungbean (Phaseolus radiatus) and millet (Setaria italica)[J]. NEW ZEALAND JOURNAL OF CROP AND HORTICULTURAL SCIENCE,2004,32(3):273-279.
APA	Yang, JD,Zhao, HL,&Zhang, TH.(2004).Diurnal patterns of net photosynthetic rate, stomatal conductance, and chlorophyll fluorescence in leaves of field-grown mungbean (Phaseolus radiatus) and millet (Setaria italica).NEW ZEALAND JOURNAL OF CROP AND HORTICULTURAL SCIENCE,32(3),273-279.
MLA	Yang, JD,et al."Diurnal patterns of net photosynthetic rate, stomatal conductance, and chlorophyll fluorescence in leaves of field-grown mungbean (Phaseolus radiatus) and millet (Setaria italica)".NEW ZEALAND JOURNAL OF CROP AND HORTICULTURAL SCIENCE 32.3(2004):273-279.

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