Arid
DOI10.3390/agronomy11020281
Field Screening of Wheat Advanced Lines for Salinity Tolerance
Moustafa, Ehab S. A.; Ali, Mohamed M. A.; Kamara, Mohamed M.; Awad, Mohamed F.; Hassanin, Abdallah A.; Mansour, Elsayed
通讯作者Mansour, E (corresponding author), Zagazig Univ, Fac Agr, Dept Crop Sci, Zagazig 44511, Egypt.
来源期刊AGRONOMY-BASEL
EISSN2073-4395
出版年2021
卷号11期号:2
英文摘要Salinity in soil or irrigation water requires developing genetically salt-tolerant genotypes, especially in arid regions. Developing salt-tolerant and high-yielding wheat genotypes has become more urgent in particular with continuing global population growth and abrupt climate changes. The current study aimed at investigating the genetic variability of new breeding lines in three advanced generations F6-F8 under salinity stress. The evaluated advanced lines were derived through accurate pedigree selection under actual saline field conditions (7.74 dS/m) and using saline water in irrigation (8.35 dS/m). Ninety-four F6 lines were evaluated in 2017-2018 and reduced by selection to thirty-seven F7 lines in 2018-2019 and afterward to thirty-four F8 lines in 2019-2020 based on grain yield and related traits compared with adopted check cultivars. Significant genetic variability was detected for all evaluated agronomic traits across generations in the salt-stressed field. The elite F8 breeding lines displayed higher performance than the adopted check cultivars. These lines were classified based on yield index into four groups using hierarchical clustering ranging from highly salt-tolerant to slightly salt-tolerant genotypes, which efficiently enhance the narrow genetic pool of salt-tolerance. The detected response to selection and high to intermediate broad-sense heritability for measured traits displayed their potentiality to be utilized through advanced generations under salinity stress for identifying salt-tolerant breeding lines.
英文关键词yield-related traits genotypic and phenotypic coefficient of variation broad-sense heritability response to selection genetic gain cluster analysis principal component analysis
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:000621974600001
WOS关键词GRAIN-YIELD ; HEAT TOLERANCE ; SALT TOLERANCE ; BREAD WHEAT ; GERMPLASM ; VARIABILITY ; SELECTION ; DROUGHT ; STRESS
WOS类目Agronomy ; Plant Sciences
WOS研究方向Agriculture ; Plant Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/349383
作者单位[Moustafa, Ehab S. A.] Desert Res Ctr, Genet Resources Dept, Cairo 11753, Egypt; [Ali, Mohamed M. A.; Mansour, Elsayed] Zagazig Univ, Fac Agr, Dept Crop Sci, Zagazig 44511, Egypt; [Kamara, Mohamed M.] Kafrelsheikh Univ, Fac Agr, Dept Agron, Kafr Al Sheikh 33516, Egypt; [Awad, Mohamed F.] Taif Univ, Coll Sci, Dept Biol, POB 11099, At Taif 21944, Saudi Arabia; [Hassanin, Abdallah A.] Zagazig Univ, Fac Agr, Genet Dept, Zagazig 44511, Egypt
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GB/T 7714
Moustafa, Ehab S. A.,Ali, Mohamed M. A.,Kamara, Mohamed M.,et al. Field Screening of Wheat Advanced Lines for Salinity Tolerance[J],2021,11(2).
APA Moustafa, Ehab S. A.,Ali, Mohamed M. A.,Kamara, Mohamed M.,Awad, Mohamed F.,Hassanin, Abdallah A.,&Mansour, Elsayed.(2021).Field Screening of Wheat Advanced Lines for Salinity Tolerance.AGRONOMY-BASEL,11(2).
MLA Moustafa, Ehab S. A.,et al."Field Screening of Wheat Advanced Lines for Salinity Tolerance".AGRONOMY-BASEL 11.2(2021).
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