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Effect of growth regulators on the branching ability of maiden apple trees of the ‘©ampion’ and ‘Jonica’ cultivars

Magdalena Kapłan

Department of Seed Production and Nurseries
University of Life Sciences in Lublin
Leszczyńskiego 58, 20-068 Lublin, Poland
e-mail: magdalena.kaplan@up.lublin.pl

In 2000-2003, studies were conducted in the Felin Experimental Station at the University of Agriculture in Lublin to evaluate the impact of BA + GA3 2.2% (Arbolin 036 SL) and BA + GA4+7 2.2% and 3.75% (Promalin 3.6 SL) in the form of lanolin paste on the increase of the number of lateral shoots in maiden apple trees of the ‘©ampion’ and ‘Jonica’ cultivars. The growth regulators were found to have a beneficial effect on the branching ability of the maidens of the studied cultivars. ‘Jonica’ showed weaker apical dominance than ‘©ampion’. Young ‘Jonica’ trees had more lateral shoots of greater length than the ‘©ampion’ maidens.

Kapłan M., 2010. Effect of growth regulators on the branching ability of maiden apple trees of the ‘©ampion’ and ‘Jonica’ cultivars. Folia Horticulturae 22/2: 3-7.