highly significantP <0.01
Correlation analysis of quality Correlation analysis of 15 quality indices, including NEAA, EAA, protein, soluble sugar, pyruvic acid, moisture, Fe, Zn, Mn, Cu, S, N, K, and C content in different germplasm resources of the genus Allium , revealed a highly significant positive correlation between EAA and C, protein and N, Zn and moisture, and Fe and Cu and K content ( P <0.01) with correlation coefficients of 0.72, 1.00, 0.72, 0.76, and 0.83, respectively.