ISHS Acta Horticulturae 410: II International Cherry Symposium
THE EFFECT OF SUMMER PRUNING DURING THE FIRST LEAF ON THE GROWTH AND FLOWER BUD FORMATION OF SWEET CHERRIES |
| Authors: | H. Wustenberghs, K. Belmans, J. Keulemans |
| Abstract:
Due to their highly pronounced apical dominance, sweet cherries branch poorly. However, after summer pruning, lateral buds are no longer dominated by the apical shoot and this may result in improved branching and/or enhanced flower bud formation. To determine the optimum timing and severity of summer pruning, an experiment using the cultivars 'Lapins' and 'Regina' on GM 9 rootstock was set up in 1990. Severe summer pruning during the first growing season resulted in branching unsuited to spindle training. Lighter pruning, later in the season, did not give sufficient response. Leaf removal had no effect on branching. In the second year most flower buds developed on the untreated controls. | |
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