Evaluation of fertility of new seedless varieties included in grapevine assortment of the Republic of Moldova

Abstract

In the paper are presented the results of study of fertility of the new seedless varieties included in the grapevine assortment of the Republic of Moldova - Apiren roz timpuriu, Apiren alb, Apiren roz, Apiren Basarabean and Apiren negru de Grozeşti. The correlation between the main fertility elements (number of buds left after pruning, number of growing buds, total number of shoots, including fertile, number of formed grapes) was appreciated. In all cases a direct, very close correlation has been attested, especially for the varieties Apiren roz timpuriu and Apiren negru de Grozeşti. It is noted the advanced potential of all varieties for issuing shoots from multiannual wood, inclusive of fertile shoots.