干旱区生态环境知识资源中心(Arid): Gas exchange and growth of zucchini crop subjected to salt and water stress

Arid

DOI	10.1590/1807-1929/agriambi.v26n11p815-822
	Gas exchange and growth of zucchini crop subjected to salt and water stress
	Sousa, Henderson C.; de Sousa, Geocleber G.; Cambissa, Paulo B. C.; Lessa, Carla I. N.; Goes, Geovana F.; da Silva, Fred D. B.; Abreu, Fernanda da S.; Viana, Thales V. de A.
通讯作者	Sousa, HC
来源期刊	REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL
ISSN	1415-4366
EISSN	1807-1929
出版年	2022
卷号	26 期号:11 页码:815-822
英文摘要	Semi-arid regions present the inherent problem of accumulation of salts in the soil due to the use of brackish water for irrigation, and water deficit compromises the growth and physiological indices of crops. This study evaluated the effect of salt and water stress on growth and gas exchange in the zucchini cv. Caserta crop. The study was conducted at the University of International Integration of Afro-Brazilian Lusophony, Redencao, Ceara State, Brazil. The experimental design was completely randomized, in a 5 x 2 factorial scheme with five levels of electrical conductivity of the irrigation water - ECw (0.5, 1.0, 1.5, 2.0, and 2.5 dS m(-1)) and two water regimes (50 and 100% of the potential crop evapotranspiration - ETc), with five replicates. At 36 days after sowing, the following traits were evaluated: CO2 assimilation rate, transpiration, stomatal conductance, internal carbon concentration, leaf temperature, relative chlorophyll index, and water use efficiency. At 45 days after sowing, the plant height, stem diameter, number of leaves, and leaf area were also evaluated. The use of brackish water (1 to 2.5 dS m(-1)) reduced the growth parameters of zucchini cv. Caserta. The increase in ECw caused a decline in the physiological traits. Under 100% ETc, higher values of CO2 assimilation rate, transpiration, and instantaneous water use efficiency were recorded, and there was 50% ETc for internal carbon concentration, even with the increase in ECw.
英文关键词	Cucurbita pepo L. water deficit salinity combined stress
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000843950500007
WOS关键词	PHYSIOLOGICAL-RESPONSES ; IRRIGATION ; CULTIVATION ; YIELD
WOS类目	Agricultural Engineering
WOS研究方向	Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/394289
推荐引用方式 GB/T 7714	Sousa, Henderson C.,de Sousa, Geocleber G.,Cambissa, Paulo B. C.,et al. Gas exchange and growth of zucchini crop subjected to salt and water stress[J],2022,26(11):815-822.
APA	Sousa, Henderson C..,de Sousa, Geocleber G..,Cambissa, Paulo B. C..,Lessa, Carla I. N..,Goes, Geovana F..,...&Viana, Thales V. de A..(2022).Gas exchange and growth of zucchini crop subjected to salt and water stress.REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL,26(11),815-822.
MLA	Sousa, Henderson C.,et al."Gas exchange and growth of zucchini crop subjected to salt and water stress".REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL 26.11(2022):815-822.