Dobránszky J, Jámbor-Benczúr E, Reményi ML, et al. Effects of aromatic cytokinins on structural characteristics of leaves and their post- effects on subsequent shoot regeneration from in vitro apple leaves of ’Royal Gala’. Int. j. hortic. sci. 2005;11(1):41-46. doi:10.31421/IJHS/11/1/556