Study of biotypes and clones of some kishmish grape varieties of Azerbaijan

The article is dedicated to the morphological, biological, economically important and technological peculiarities of the high yielding clonal forms (no. 27/11, 30/03, 22-3/4, 4/5-28, 4-18/17, 12/2-3, 2/5/14/2, 2/9/14/2, 14-14, 1/6/02/1-02 and 1/18/02/1-02) selected from populations of seedless grape varieties such as Ag oval kismish, Ag kishmish, Chehrayee kishmish, Gara kishmish and Sultany kishmish, as well as the basic regulations of the clonal breeding and vegetative changes in the grape plants. In addition, the results of mathematical-statistical research (by U, χ2, t-criterion Student), conducted with the purpose of determination of the differences between varieties and their clones on certain indicators are reflected in the article.