%0 Journal Article %T Physiological and anatomical responses of calendula (Calendula officinalis L.) cultivars to heat-stress duration %A Nazdar, Tayebeh %A Tehranifar, Ali %A Nezami, Ahmad %A Nemati, Seyyed Hossein %A Samiei, Leila %J Journal of Horticultural Science and Biotechnology %@ 1462-0316 %D 2018