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Effect of microinterstocks on growth and fruiting of Melrose apple trees

Władysław Poniedziałek, Stanisław Porębski

Department of Pomology
Agricultural University
29 Listopada 54, 31-425 Kraków, Poland

In the period 1992-1995 an orchard experiment was carried out with the aim to stopping the growth of 5-year-old Melrose apple trees and induce their early bearing. Melrose bark in normal, inverted, and horizontal positions was grafted on the trunks of the investigated trees. As a result of this grafting a small interstock was developed which may be called a microinterstock.

Microinterstocks showed a tendency to decrease the size of the fruit trees and increase their yield. This tendency also significantly increased the crop efficiency index. No trees died during the experiment. Microinterstocks may offer a means of using non-chemical methods of fruit tree dwarfing in the orchard.

Poniedziałek W., Porębski S., 1997. Effect of microinterstocks on growth and fruiting of Melrose apple trees. Folia Horticulturae 9/1: 97-104.