The differences in leaf proteins observed either between the genotypes or between control (C) and drought-stressed (S) plants of 2023 and CE704 maize genotypes, as evaluated by the 2D-electrophoresis method.

AT = Arabidopsis thaliana (L.) Heynh.; ETC = electron transport chain; OEC = oxygen evolving complex of photosystem II; OS = Oryza sativa L.; LE = Lycopersicon esculentum Mill.; TA = Triticum aestivum L.; ZM = Zea mays L. The following symbols indicate the quantity of individual spots: – = absence, +/− = very weak intensity, + = medium intensity, ++ = high intensity.