Volume 41 Number 3 Article 7 Pages: 99-104
Year 1987 Month 7
Title: Effect of Initial Heading Height on Branch Development of Four Apple Cultivars
Author: W.C. Olien
Citation
Abstract:
The effect of initial heading height on branch
development over the first growing season was
evaluated for 'Macspur' (Creenslade selection),
'Cortland,' 'Smoothee Golden Delicious' (Gibson strain), all with an initial trunk caliper of 1.6
cm, and Redchief Delicious' (Mercier strain),
with an initial trunk caliper of 1.0 cm.
All
cultivars were evaluated on M.7A rootstock.
The trees were headed at 60, 70, 80, or 90 cm
above the ground at planting.
Heading at 90 cm
produced the best branching response in terms
of branch number, angle, and total length for
'Macspur,' 'Cortland,' and 'Golden Delicious.'
Average branch length was not limiting for
these three cultivars at any heading height.
In
'Redchief Delicious' average branch length was
the limiting characteristic at all heading heights,
and was longest when this cultivar was headed
at 60 cm.
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