干旱区生态环境知识资源中心(Arid): Performance of direct root-zone deficit irrigation on Vitis vinifera L. cv. Cabernet Sauvignon production and water use efficiency in semi-arid southcentral Washington

Arid

DOI	10.1016/j.agwat.2019.04.023
	Performance of direct root-zone deficit irrigation on Vitis vinifera L. cv. Cabernet Sauvignon production and water use efficiency in semi-arid southcentral Washington
	Ma, Xiaochi; Sanguinet, Karen A.; Jacoby, Pete W.
通讯作者	Jacoby, Pete W.
来源期刊	AGRICULTURAL WATER MANAGEMENT
ISSN	0378-3774
EISSN	1873-2283
出版年	2019
卷号	221 页码:47-57
英文摘要	The direct root-zone irrigation system is a new technique to deliver water directly to the root zone of grapevines at specific irrigation rates and delivery depths. The response of Vitis vinifera L. cv. Cabernet Sauvignon to direct root-zone deficit irrigation was investigated in a commercial vineyard with loamy sand soil in the semi-arid lower Columbia Basin of southcentral Washington State, USA. Three irrigation rates and three delivery depths were compared for effects on grape yield and crop water use efficiency during three consecutive growing seasons. Furthermore, we investigated the influence of irrigation rate on grape quality, and used an in situ root imaging system for root phenotyping under different delivery depths for two years. Results showed that delivery depth had no significant effect on grape yield and crop water use efficiency; however, increases in delivery depth from 30 cm to 90 cm resulted in 60-70% decreased root number and 46-59% decreased root length in the upper soil profile (0-60 cm). Moderate irrigation rates (35% less water use on average) improved crop water use efficiency by 14-23% and only reducing grape yield 15-18% per individual grapevine, without sacrificing grape quality or inducing early defoliation for the first two years. Surprisingly, no significant reduction of grape yield was found in the third year, which can be attributed to cooler and wetter weather and potentially vine acclimation to the direct root-zone irrigation strategy. We conclude that direct root-zone deficit irrigation could be a convenient and efficient subsurface irrigation method to improve crop water use efficiency without reducing grape quality under seasonal drought. Future studies should compare the economic and environmental returns of direct root-zone deficit irrigation with other traditional irrigation strategies under different environmental conditions to optimize the direct root-zone deficit irrigation method.
英文关键词	Subsurface irrigation Water delivery depth Root phenotyping Grape yield Fruit quality Water use efficiency
类型	Article
语种	英语
国家	USA
收录类别	SCI-E
WOS记录号	WOS:000472698600005
WOS关键词	SUBSURFACE DRIP IRRIGATION ; CLIMATE-CHANGE ; GRAPEVINE PHENOLOGY ; SENSITIVE INDICATOR ; VEGETATIVE GROWTH ; FRUIT-QUALITY ; YIELD ; WINE ; MANAGEMENT ; STRATEGIES
WOS类目	Agronomy ; Water Resources
WOS研究方向	Agriculture ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/214031
作者单位	Washington State Univ, Dept Crop & Soil Sci, Pullman, WA 99164 USA
推荐引用方式 GB/T 7714	Ma, Xiaochi,Sanguinet, Karen A.,Jacoby, Pete W.. Performance of direct root-zone deficit irrigation on Vitis vinifera L. cv. Cabernet Sauvignon production and water use efficiency in semi-arid southcentral Washington[J],2019,221:47-57.
APA	Ma, Xiaochi,Sanguinet, Karen A.,&Jacoby, Pete W..(2019).Performance of direct root-zone deficit irrigation on Vitis vinifera L. cv. Cabernet Sauvignon production and water use efficiency in semi-arid southcentral Washington.AGRICULTURAL WATER MANAGEMENT,221,47-57.
MLA	Ma, Xiaochi,et al."Performance of direct root-zone deficit irrigation on Vitis vinifera L. cv. Cabernet Sauvignon production and water use efficiency in semi-arid southcentral Washington".AGRICULTURAL WATER MANAGEMENT 221(2019):47-57.