THE INFLUENCE OF THE ROOTSTOCK VARIETY ON THE PRODUCTION OF STANDARD STRATIFIED GRAFTS OF NATIVE GRAPE VARIETIES
The yield of first-grade grafted grape cuttings after stratification is estimated. Five promising indigenous varieties of Crimea have been studied (Dzhevat kara, Ekim kara, Kefesiya, Sary pandas. Kokur white), grafted on three zoned varieties of rootstock (Berlandieri x Riparia Kober 5BB, Berlandieri x Riparia CO4, Riparia x Rupestris 101- 14). For a reliable assessment of the results obtained, a three-factor analysis of variance was carried out. Based on the data obtained, the most promising graft-rootstock combinations of grapes are identified, and a comprehensive assessment of the influence of various factors on the yield of first-class vaccinations is given.