Mapping QTLs Regulating Morpho‐physiological Traits and Yield: Case Studies, Shortcomings and Perspectives in Drought‐stressed Maize. - TUBEROSA, ROBERTO; SALVI, SILVIO; SANGUINETI, MARIA CORINNA; LANDI, PIERANGELO; MACCAFERRI, MARCO; CONTI, SERGIO (Annals of Botany, 2002)