Volume 45 Number 1 Article 8
Year 1991 Month 1
Title: Cold Hardiness in Grape Cultivar Development
Authors: T.F. Bourne and J.N. Moore
Abstract:
The selection process in grape breeding
programs must include consideration of cold
hardiness for temperate region cultivation.
Traditional
breeding methodology has addressed
cold hardiness problems through long-term
evaluation before cultivar release.
Two cultivars
from the University of Arkansas grape
breeding program, 'Mars and 'Saturn; differ in
appearance and cold hardiness response. 'Mars'
which has a Vitis labrusca L. appearance acclimated
sooner and to a greater degree of
hardiness than did 'Saturn; which has vine and
fruit characteristics more closely resembling
many v: vinifera L. cultivars.
Screening advanced
selections of grapes using differential
thermal analysis has been incorporated at the
University of Arkansas to reduce selection time.
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