%0 Journal Article %T UNDER DROUGHT STRESS, FOLIAR APPLICATION OF PUTRESCINE ENHANCES PHOTOSYNTHETIC ACTIVITIES, STOMATAL CLOSURE AND DROUGHT TOLERANCE IN ORNAMENTAL SUNFLOWER (HELIANTHUS ANNUS L.) PLANT %A Kahrobaeian, Maryam %A Nemati, Seyyed Hossein %A مجید راحمی %A بهمن خلدبرین %A Tehranifar, Ali %J Applied Ecology and Environmental Research %@ 1589-1623 %D 2022