Yield (kg/ha) under organic (y-axis) versus conventional (x-axis) agriculture of 22 maize populations, improved cycles
and checks and grain moisture under conventional (r2 = 0.79,P[0.01) and organic (r2 = -0.68, P[0.01) conditions,for flour yield with grain moisture under conventional (r2 = 0.78, P[0.01) and organic (r2 = -0.67, P[0.01) conditions (Table 8). Silkingand early vigor, and silking and plant appearance had significant correlation under conventional conditions,but not under organic conditions. Agronomic traits had weak correlations with quality traits, except for milling test that had a negative correlation with yield, flour yield, and grain moisture; these correlations were even weaker under organic conditions.