Maize leaf functional responses to drought episode and rewatering

doi:10.1016/j.agrformet.2017.11.023

	Maize leaf functional responses to drought episode and rewatering
	Song, He 1; Li, Yibo 1; Zhou, Li 2; Xu, Zhenzhu; Zhou, Guangsheng 2
	2018
发表期刊	AGRICULTURAL AND FOREST METEOROLOGY
ISSN	0168-1923
卷号	249 页码:57-70
摘要	Effects of crop growth and physiological activities to drought and irrigation regimes have been extensively studied; however, the combined responses of plant growth, morphological and photosynthetic behaviors to drought episodes and thereafter rewatering receive a less attention. This field experiment was carried out directly in situ at an agricultural ecosystem research station across two entire growing seasons during 2015-2016, in northeastern China, on the renowned northeastern maize production belt, where is being threatened by severe drought. A field automatic rain-shelter was used, and five irrigation regimes including control, four drought episodes, and rewatering treatments were established. The chlorophyll contents (SPAD values), light-saturated photosynthetic rate (A(sat)), and photosystem II actual quantum yield (phi(PSII)), maximum quantum yield (F-v'/F-m') decreased at lower leaf positions and with plant development. Episodic drought effects on plant growth, leaf morphological traits and photosynthetic processes at both vegetative and reproductive stages were severely remarked, particularly at late development stage and with longer drought duration. The recovery of leaf functional traits of the plants experienced historical-drought following re-irrigating was not fully restored to the level of the plants subjected to ample and normal water status; and the strength of recovery was proportional to the persistence of pre-drought episodes. The relationship of Asat with SPAD depends on water status and plant development. A principal component analysis can well denote the change patterns in responses to water status treatments with plant development. The results may give an insight into how to understand the maize traits' responses to drought episode and rewatering, and this also might assist the drought-stricken crops to cope with future climatic change.
关键词	Climate change Drought episode Irrigation regimes Leaf age Photosynthetic potentials Zea Mays L.
学科领域	Agronomy ; Forestry ; Meteorology & Atmospheric Sciences
DOI	10.1016/j.agrformet.2017.11.023
收录类别	SCI
语种	英语
WOS关键词	INDUCED PHOTOSYNTHETIC INHIBITION ; LIGHT ENERGY-DISSIPATION ; WATER-STRESS ; CHLOROPHYLL FLUORESCENCE ; TEMPERATURE VARIABILITY ; STOMATAL CONDUCTANCE ; SUCCESSIVE DROUGHT ; ELECTRON-TRANSPORT ; GROWTH-RESPONSES ; PLANT-RESPONSES
WOS记录号	WOS:000424180100006
出版者	ELSEVIER
文献子类	Article
出版地	AMSTERDAM
EISSN	1873-2240
资助机构	National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41330531] ; China Special Fund for Meteorological Research in the Public Interest [GYHY201506019, GYHY201506001-3]
作者邮箱	xuzz@ibcas.ac.cn ; gszhou@ibcas.ac.cn
作品OA属性	Green Submitted
引用统计	被引频次：71[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/20490
专题	植被与环境变化国家重点实验室
作者单位	1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Chinese Acad Meteorol Sci, China Meteorol Adm, Beijing 100081, Peoples R China
推荐引用方式 GB/T 7714	Song, He,Li, Yibo,Zhou, Li,et al. Maize leaf functional responses to drought episode and rewatering[J]. AGRICULTURAL AND FOREST METEOROLOGY,2018,249:57-70.
APA	Song, He,Li, Yibo,Zhou, Li,Xu, Zhenzhu,&Zhou, Guangsheng.(2018).Maize leaf functional responses to drought episode and rewatering.AGRICULTURAL AND FOREST METEOROLOGY,249,57-70.
MLA	Song, He,et al."Maize leaf functional responses to drought episode and rewatering".AGRICULTURAL AND FOREST METEOROLOGY 249(2018):57-70.

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