Table 4 Brix; berry weight; firmness; equatorial and polar berry diameters; berry volume; color parameters “L”, “a”, and “b”; the Color Index of Red Grapes (CIRG); absolute residuals of Brix (aBrix); absolute residuals of color parameters “L” (aL), “a” (aa), “b” (ab); CIRG (aCIRG); and absolute residuals of firmness (aFirmness) in Crimson Seedless grapevines subjected to two irrigation treatments (Control: 100% crop evapotranspiration [ETc]; Deficit: 50% ETc in 2015 and 2016).