ISHS Acta Horticulturae 658: I International Symposium on Rootstocks for Deciduous Fruit Tree Species
THE RESULTS OF EXTENDED DURATION TESTING OF APPLE ROOTSTOCKS IN LATVIA |
| Authors: | A. Bite, J. Lepsis |
| Keywords: | apple rootstocks, propagation, winter hardiness |
| Abstract:
Since 1965, more than 100 types of apple rootstocks have been propagated at the Pure Horticultural Research Station and have also been tested in mother tree plantations. The best of these were selected for further investigation in fruit nurseries and orchards. The propagation potential, yield and quality of rootstocks produced in the nursery were estimated. The results of scion budding, on these rootstocks, as well as any incompatibility and the numbers of trees successfully produced were determined in the nursery. In orchards, more than 15 different trials were planted with the best of scion/rootstock combinations in different climatic-soil regions of Latvia. The usual indicators of vegetative growth of the planted trees, as well as the beginning of fruiting, yield efficiency and quality of yield were also estimated. Many rootstocks from Western Europe and new selections from Russia, Poland, Baltic States and Germany were included in the tests. The results show the best rootstocks in Latvian conditions to be: the dwarf growing Budagovsky Paradise Apple (B 9), and 62-396; semidwarf growing: M.7 and Pure 1; middle growing: MM.106 and 54-118; and vigorous growing: A 2, MM.111 and Antonovka seedlings. | |
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