TAJBAKHSH, Mehdi, Manuchehr KORKAN, and Mehdi GHIYASI. 1. “Effect of Timing on Callus Formation and Rooting Ability in IBA-Treated Hardwood Stem Cuttings of Persian Walnut, Hazelnut and Apple”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca 37 (1), 103-7. https://doi.org/10.15835/nbha3713104.