Behaviour of some varieties for sedless grapes-Canner- in vineyard of Ștefăneşti Argeş

Abstract

The distinct trait comprised in the nowadays and future programes concerning the genetic improving the grapes with the view to getting more productive and qualitative varieties, ith higher resistance to the main diseases and pests. They also take into consideration the genetic changed varieties, having qualities able to respond to the more efficient intervention of mechanization or to the new and simple culture technologies. Because the Romanian viticulture comprises just a few varieties destinated to the raisins production, it is desirable to extend in culture new varieties of this group, where from, as many clones as possible will be then selected. In the experimental fields from INCDBH Ştefăneşti there was conducted a comparative three years study on the main seedless varieties. The attention of reserchers was especially got by the Canner variety, a seedless one with medium ripeness. In order to make a presentation of the main qualities of this variety, it was compared to the Perlette one, which is more extended in the Romanian vineyards. The study was conducted on a period of three years and consisted in ampelographical, agrobiological and technological determination of this variety compared to Perlette.