Küçüker, E., Özkan, Y., & Yıldız, K. (2011). DETERMINATION OF EARLY PERIOD PERFORMANCE IN GALA (Malus domestica Borkh.) APPLE CULTIVAR BUDDED M9 ROOTSTOCK PRACTICED DIFFERENT TRAINING SYSTEMS. Horticultural Studies (HortiS), 28, 25-36. http://doi.org/