Determination of phenological and pomological characters of some nectarine varieties grown in diyarbakir ecological conditions

This research was conducted in the orchard of Research and Implementation in Dicle University Faculty of Agriculture in 2018. In this research, phenological and pomological characteristics of the varieties of Armking, Big Top, Caldesi 2000, Fantasia, Sweet Lady and Venus nectarine varieties grafted on GF 677 rootstock and Big Bang nectarine variety grafted on wild peach were investigated in Diyarbakır ecological canditions. The earliest full bloom observed in Big Top, Fantasia and Venus varieties on 11th of March. The shortest period between full bloom and harvest was observed in Big Bang cultivar with 84 days and the longest period is 148 days with Venus variety. The biggest fruits (162.43 g) were detected in Caldesi 2000 variety and the smallest fruits (78.60 g) were detected in Big Bang variety. The lowest amount of total soluble solids was Caldesi 2000 with 5.0% and the highest one was Big Top variety with 12.0%. The kind with the lowest titratable acid value is Big Bang (0.40%) and the kind with the highest is Sweet Lady (1.33%).