Wpływ podkładki na kwitnienie i owocowanie trzech odmian jabłoni

During seven years of study, only in 2001 year cv. Jonagold had significantly more flowers on the trees budded on M.9 rootstock than on M.26, and cv. Red Boskoop flowering was significantly stronger on M.26 than on M.9. During all period of observation, rootstocks did not influence significantly the flowering intensity of cv. Gloster. In orchard with hight density of trees (2460 szt. × ha-1), the first symptoms of irregularity of flowering were observed in the 8th year (1998) after plented. In 2002 year all trees in the experimental orchard did not flowered. In our condition the bevstyielding observed for diploidal cultivar Gloster.