Volume 49 Number 4 Article 44 Pages: 248-254
Year 1995 Month 10
Title: Lateral Shoot Development in Size Diverse Seedling Populations of Apple
Authors: D.R. Ouellette and E. Young
Citation
Abstract:
Growth and branching habit of seedling
populations originating from open-pollinated
trees of Malus prunifolia Borkh., M. ranetka
Borkh. and four cultivars of M. domestica
Borkh. ('Antonovka,' 'Bittenfelder,' 'Borowinka,'
'Golden Delicious') were characterized.
The
decreased rate at which new lateral shoots
developed was directly related to decreases in
terminal growth rate, since all lateral budbreak
throughout the growing season occurred within
20 cm of the shoot tip. 'Borowinka' sdlg., 'Golden
Delicious' sdlg., and M. ranetka populations
were most vigorous and, generally, had the
greatest number of lateral budbreaks and
branches.
However, lateral budbreak and
branching were not strongly related to terminal
growth rate, evidenced by poor correlations
with terminal shoot length, cross-sectional area,
and internode length.
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