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Effects of seedling and GF-31 rootstocks on yield and fruit quality of some table apricot cultivars grown in mersin

This experiment was conducted in Mut-Mersin between 1997 and 2001 to determine the effects of seedling and GF-31 rootstocks on the yield and quality of fruits of Tokalo¤lu, Precoce De Tyrinthe, Joubert Foulon, Canino, Sakit 6, Beliana, Priana and Early Kishnevski table apricot cultivars. | Turk J Agric For 27 (2003) 261-267 © TÜB‹TAK Effects of Seedling and GF-31 Rootstocks on Yield and Fruit Quality of Some Table Apricot Cultivars Grown in Mersin Levent SON University of Mersin, Mut Technical School, 33600, Mut, Mersin - TURKEY Ali KÜDEN University of Çukurova, Faculty of Agriculture, Department of Horticulture, Adana - TURKEY Received: 04.03.2003 Abstract: This experiment was conducted in Mut-Mersin between 1997 and 2001 to determine the effects of seedling and GF-31 rootstocks on the yield and quality of fruits of Tokalo¤lu, Precoce De Tyrinthe, Joubert Foulon, Canino, Sak›t 6, Beliana, Priana and -1 Early Kishnevski table apricot cultivars. Fruit yields were highest on apricot seedling rootstocks for all cultivars. Yields (kg tree ) ranged between 14.66 kg (Tokalo¤lu) and 63.06 kg (Priana) on apricot seedling rootstocks and between 13.6 kg (Sak›t 6) and 41.13 kg (Priana) on Myrobalan GF-31 rootstock in 2001. Of the cultivars tested, Priana gave the highest yield (kg tree-1), except in the 1997 trial year, followed by the Precoce De Tyrinthe cultivar. In addition Priana and Precoce De Tyrinthe were superior from -2 -2 the point of view of yield of g cm to the others on apricot seedling rootstocks. However, the yield of g cm ranged from 79.89 g (Joubert Foulon) to 134.5 g (Early Kishnevski) on GF-31 rootstock in 1997. In 2001, however, Priana and Precoce De Tyrinthe on GF-31 were the most productive in terms of g cm-2 yield. Early Kishnevski cultivars gave the largest fruits on both rootstocks, whereas the smallest fruits were obtained from the Beliana cultivar. Fruit weight was greater on seedling than GF-31. Fruit weight -1 ranged from 31.92 g (Beliana) to 56.48 g (Early Kishnevski) fruit on seedling rootstocks in 2001. Priana was the most productive and the earliest cultivar on both rootstocks. From the results of this research the following conclusions were drawn: 1) Cultivars grafted on the seedling rootstock presented greater yields kg .