The effect of the graperootstock-scion interaction on the potassium and calcium content of the leaves in connection with yield production
2000
Kocsis, L. | Lehoczky, E.
An experiment was set up to determine the most important effect of the graperootstock-scion interaction in vineyard on the experimental plot of the University at the West edge of Lake Balaton. Three scion varieties were grafted on six rootstocks resulting in 18 combinations of graftings. All the development each of the graftings was examined and surveyed separately. Based on leaf analysis results we can gain data about the interaction of rootstock and scion varieties concerning mineral nutrition of the grafts, its differences and characteristics. In the present study we give account of leaves originated from vines grown same soil type and nutrient condition. Statistically significant differences were found in the yield production and Ca concentration of scion leaf blades according to the rootstocks as well according to the scions also. After the first yield production year the differences in K and Ca contents of the leaves were greater by the scion varieties than the rootstocks. The highest Ca concentrations were determined at the scion leaves with combination of Georgikon 28 ((V. berlandieri x V. riparia T. K. 5BB) x V. vinifera) rootstock. The differences in Ca concentrations were higher according to the scion varieties. It shows not only the rootstocks or the scions influences the nutrient supply of the vines, but the combinations of these two components is very important from this point of view.
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