Volume 37 Number 3 Article 1 Pages: 62-79
Year 1983 Month 7
Title: The Penn State Low Trellis Hedgerow System of Apple Production
Author: L.D. Tukey
Trellising is a form of espalier
where plants are trained as a hedge
but supported on posts and wire rather than on a wall.
Although originating several hundred years ago, trellising is being used successfully today
as a system for commercial apple and
pear production in various parts of
France and Belgium.
potentials of a trellised system for the
commercial apple production in the
U.S. have been realized only recently.
Current feasibility is related to the
greater availability of the more dwarfing size-controlling rootstocks, the in
troduction of growth regulating chemicals, the ability to utilize various
training methods more effectively
with smaller sized trees, and certain
economic advantages of the system.
Further, the form of the system has
certain potentials for improved mechanization and labor use, especially in
relation to mechanical harvesting.
Trellising has been under study at
the University for over a decade, and
has led to the development of the
Penn State low trellis hedgerow system for the commercial production of
This system is suitable also
for the small or amateur fruit grower.
To meet current needs and conditions,
the art of trellising has been simplified.
The philosophy behind this system is the complete control of growth
and the regulation of cropping.
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