Vazhneyshim mekhanizmom ustoychivosti rasteniy v usloviyakh promyshlennogo zagryazneniya yavlyaetsya aktivizatsiya biokhimicheskoy mnogourovnevoy i mnogokomponentnoy sistemy antioksidantnoy zashchity. V svete rassmatrivaemoy problemy imeyushchiesya literaturnye dannye chasto kasayutsya otdel"nykh ee komponentov, i do sikh por ostayutsya neyasnymi voprosy sorazmernykh izmeneniy zashchitnykh komponentov pri stresse. Drevesnye rasteniya predstavlyayut v etom aspekte osobyy interes, poskol"ku oni obladayut vysokim biologicheskim potentsialom pri sposobnosti dlitel"no deponirovat" toksichnye soedineniya v mnogoletnikh organakh. Uchityvaya slozhnost" i bol"shoy interes k dannoy probleme, predstavlyaetsya vazhnym obobshchit" imeyushchiesya dannye i sformulirovat" zadachi, kotorye zhdut svoego resheniya dlya bolee glubokogo ponimaniya protsessov peredachi signalov i aktivizatsii zashchitnykh reaktsiy organizma pri stresse.