%0 Journal Article %A noorani azad, hamid, chobineh, darioush, Hajbagheri, mohammadreza, kafilzadeh, farshid %T The study of Cu toxicity on growth and tolerance of sunflower (Helianthus annuus L.) Hi Sun -33 cultivars %J Iranian Journal of Biological Sciences %V 4 %N 2 %P 67-74 %D 2009 %R %U https://sanad.iau.ir/fa/Article/936583