Effect of 2,4-D and 2ip hormones on embryogenesis callus production and the effect of sucrose and concentrations of MS salts on somatic embryogenesis of date palm (cv. Medjool) Journal title: International Journal of Farming and Allied Sciences Authors: Behnaz Abdolvand, Reza Zarghami, Hasan Hasani, Mohsen Mardi and Hedayat Zakki Zade Subject(s): Agricultural Science, Biochemistry, Plant Sciences, Soil Sciences, Zoology and Animal Science, Agricultural Economics