@article{paperid:1064184, author = {Nazdar, Tayebeh and Tehranifar, Ali and Nemati, Seyyed Hossein and Samiei, Leila}, title = {Effect of Heat Stress Duration on Growth, Flowering and Electrolyte Leakage in Four Cultivars of Calendula officinalis}, journal = {Journal of Ornamental plants}, year = {2017}, volume = {7}, number = {1}, month = {March}, issn = {2251-6433}, pages = {63--72}, numpages = {9}, keywords = {Bedding plants; High temperature; Morphology; Thermotolerance}, }