Open Access Research Paper Views (977) Somatic embryogenesis from leaf & petiole explants of some Rosa hybrida L. cultivars Behrooz Pirniakan, Siamak Kalantari, Mesbah Babalar Int. J. Biosci. 5(11), 1-7, December 2014. DOI: http://dx.doi.org/10.12692/ijb/5.11.1-7 Keywords: Callus, Plant growth regulators, Rosa hybrid, Somatic embryogenesis Details