Data for: agronomical and analytical traits assessed in a quinoa set of genotypes growing in the UAE under different irrigation salinity conditions

Raw data of yield components (seed yield, biomass, plant height, branches per plant, inflorescences per plant, inflorescence length), ion concentrations (sodium, phosphorus, potassium, calcium and magnesium concentrations and the K+/Na+, Ca2+/Na+ and Mg2+/Na+), leaf pigments (chlorophyll, anthocyanin and flavonoid contents), and carbon and nitrogen concentrations on a dry matter basis, and carbon (δ13C) and nitrogen (δ15N) isotope composition in the dry matter and soluble fraction, in the 3 replicates of quinoa accessions grown under fresh water and saline irrigation treatments.