Response of antioxidant enzymes to transfer from elevated carbon dioxide to air and ozone fumigation, in the leaves and roots of wild-type and a catalase-deficient mutant of barley

antioxidantes antioxidants antioxydant carbon dioxide catalasa catalase dioxyde de carbone feuille fumigant fumigantes fumigants glutathione reductase hojas hordeum vulgare leaves ozone ozono racine roots superoxide dismutase superoxyde dismutase