干旱区生态环境知识资源中心(Arid): Water Use Efficiency and Winter Wheat Grain Yield of Different Cultivars Under Different Irrigation Strategies in a Semi-arid Region

Arid

DOI	10.1007/s42106-024-00290-7
	Water Use Efficiency and Winter Wheat Grain Yield of Different Cultivars Under Different Irrigation Strategies in a Semi-arid Region
	Pachang, Fariborz; Talebnejad, Rezvan; Sepaskhah, Ali Reza; Mehrabi, Fatemeh
通讯作者	Talebnejad, R
来源期刊	INTERNATIONAL JOURNAL OF PLANT PRODUCTION
ISSN	1735-6814
EISSN	1735-8043
出版年	2024
卷号	18 期号:2 页码:187-200
英文摘要	This study evaluates the interaction effect of different irrigation strategies and winter wheat cultivars on yield and water use efficiency in a semi-arid region. The aim is to identify effective water-saving strategies for sustainable winter wheat production considering the variability in annual rainfall patterns over two years in Shiraz, Iran. The irrigation strategies included full irrigation (FI), deficit irrigation at 0.75FI, 0.5FI, and rainfed with supplemental irrigation at sowing. Two winter wheat cultivars, Varedati and Sirvan, were tested. The results showed no significant differences in grain yield, dry matter, and harvest index between the two cultivars. However, deficit irrigation (0.75FI and 0.5FI) and rainfed conditions led to a significant reduction in winter wheat yield and dry matter. The first year, with lower rainfall, resulted in a 16% decrease in grain yield and dry matter compared to the second year with higher rainfall. The rainfed treatment, supplemented with irrigation at sowing, yielded about 44% of the full irrigation regime in both years. Deficit irrigation negatively impacted yield components such as 1000-grain weight and the number of spikes per unit area. The Varedati cultivar had lower 1000-grain weight and spikes per unit area but a higher number of grains per spike compared to the Sirvan cultivar. In comparison to FI, rainfed treatments decreased RLD by 45% in both years. However, Sirvan cultivar exhibited a higher level of resistance in terms of root growth under water stress conditions.The study highlights the importance of selecting suitable irrigation strategies based on annual rainfall patterns to optimize winter wheat yield and water use efficiency in semi-arid regions.
英文关键词	Deficit irrigation Rainfed Yield components And root length density
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001190058500001
WOS关键词	DEFICIT IRRIGATION ; ROOT-GROWTH ; SPIKE NUMBER ; CROP YIELD ; DROUGHT ; PRODUCTIVITY ; REGIMES ; DEPTH
WOS类目	Agronomy
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/2XILL650/404261
推荐引用方式 GB/T 7714	Pachang, Fariborz,Talebnejad, Rezvan,Sepaskhah, Ali Reza,et al. Water Use Efficiency and Winter Wheat Grain Yield of Different Cultivars Under Different Irrigation Strategies in a Semi-arid Region[J],2024,18(2):187-200.
APA	Pachang, Fariborz,Talebnejad, Rezvan,Sepaskhah, Ali Reza,&Mehrabi, Fatemeh.(2024).Water Use Efficiency and Winter Wheat Grain Yield of Different Cultivars Under Different Irrigation Strategies in a Semi-arid Region.INTERNATIONAL JOURNAL OF PLANT PRODUCTION,18(2),187-200.
MLA	Pachang, Fariborz,et al."Water Use Efficiency and Winter Wheat Grain Yield of Different Cultivars Under Different Irrigation Strategies in a Semi-arid Region".INTERNATIONAL JOURNAL OF PLANT PRODUCTION 18.2(2024):187-200.