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Genome wide association and prediction studies of agronomic and quality traits in spring beard wheat (Triticum aestivum L.) under rain-fed environment with terminal moisture stress


Samira El-Hanafi, Khalil El Messoadi, Samir Karima, Zakaria Kehel, Wuletaw Tadesse
Drought is the principal abiotic stress which affect grain yield and quality of wheat at the global level, more particularly in West and South Asia, North Africa, and sub-Saharan Africa. To identify marker-trait associations (MTA) and putative genes associated with agronomic and quality traits under rain-fed condition, a genome-wide association study (GWAS) was performed using 214 spring bread wheat (Triticum atrium L.) genotypes from the International Center for Agricultural Research in Dry Areas (ICARDA). The study was carried out at Merchouch station in Morocco over a period of 2 years (2018 and 2019). The three best high yielding genotypes G212, G189 and G172 were selected for their excellent grain quality and recorded an average yield of 6.76, 6.72 and 6.67 ton per hectare (t/ha), respectively. A genome-wide association study (GWAS) was performed using the mixed linear model (MLM), where 58 ....

Agricultural Research In Dry Areas , International Center , South Asia , North Africa , Agricultural Research , Dry Areas , சர்வதேச மையம் , தெற்கு ஆசியா , உலர்ந்த பகுதிகள் ,