Determination of ampelographic characters of some natural foxy grape (Vitis labrusca L.) types grown in Northern Turkey (Ordu and Giresun Province)

Abstract

This study was carried out during 2001 - 2003 in order to determine ampelographic characters of the Labrusca type (Vitis labrusca L.) grapes grown in Ordu and Giresun province in Northern Turkey. Forty seven ampelographic characters of 11 Natural Foxy grape types were described in accordance with the international norms. The number of lobes and the shape of blade in mature leaf were determined as Three lobes, Pentagonal or Wedge-shaped, respectively. The sexes of flowers at types were Hermaphrodite character. The bunch sizes were Very Small and the shape of bunches was Cylindirical or Conic and Winged. The size of berry and its shape were Middle and Large in size and Round in shape. The skin color of the types was Dark Red-Violet, Red-Grey or Blue-Black and the flesh had no color. The particular flavor was Foxy as typical characters of Vitis labrusca species. The time of ripening was generally late. The single bunch weight, the berry must yield and the total acid changed between 67.5 and 157.4 g, 14.5 and 17.50%; 4.70 and 6.80 g L-1, respectively. © 2006 Asian Network for Scientific Information.