Abstract
Sour cherry is a hungaricum. Hungary has several excellent and self fertile sour cherry cultivars. Hungarian sour cherries have a name for fruit quality and they are suitable for fresh consumption. Today breeding is focused not only on fruit quality, but also on disease resistance. The new, investigated cultivars have these characteristics too. But growth characteristics are also very important because they contribute to successful production. The vegetative and generative properties of the cultivars are different. If a cultivar is very productive, the ignorance of cultivar-specific pruning may result in the decrease in tree condition and fruit quality. The properties of producing fruiting wood greatly determine the renewal capabilities of cultivars. Knowing these properties is essential in case of sour cherries, the fruit species that requires a lot of sunlight and tends to produce bare wood. The research of candidate cultivars until now focused on fruit quality. Our aim was to investigate the vegetative characteristics of the resistant ‘bosnyák’ cultivar group in detail, defining the growth characteristics of these cultivars.
Highlights
Sour cherry trees have specific growth characteristic
The inside parts of the canopy are inactive, fruits and shoots can be found on the periphery of the trees (Szentpéteri et al, 2006)
The balding dynamics of sour cherries is faster, vitality differences resulting from polarity are stronger than in case of sweet cherries (Gonda, 2010)
Summary
Sour cherry trees have specific growth characteristic. The inside parts of the canopy are inactive, fruits and shoots can be found on the periphery of the trees (Szentpéteri et al, 2006). The balding dynamics of sour cherries is faster, vitality differences resulting from polarity (shooting, sprouting, going bald) are stronger than in case of sweet cherries (Gonda, 2010). Due to the factors promoting stronger shoot growth (excessive pruning, nitrogen, a lot of rain, etc.) the sour cherry trees don’t develop flower buds. In this case shoots provide bearing wood (Gonda, 2010)
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