Chapter
1
Cold Climate Grapes and Wines: People and Places
The
myth that grapes cannot be grown and fine wine cannot be produced beyond
the northern reaches of the traditional winemaking world is challenged.
Case studies illustrate current successful viticulture and winemaking
efforts in the extreme climatic regions of Minnesota, Quebec, Latvia,
and Belarus.
Chapter
2
The Vine and Winter Cold
Why
do my vines injure in some winters and not in others? This chapter provides
a practical explanation of the physiological process of vine acclimation
to cold and deacclimation to warm temperatures. It includes a discussion
of weather conditions that affect cold hardiness and species differences
in hardiness. A tutorial shows how to recognize winter injury to grapevines
and how to heal winter-injured vines. Eight color plates illustrate classic
winter injury symptoms.
Chapter
3
Grape Varieties for Northern Viticulture
There
are 16,000 different grape varieties documented in the literature. We
note 34 varieties that are of special interest to winegrowers in northern
regions because of their winter hardiness, their earliness of ripening,
or their ability to set fruit in cold, wet weather. Based on extensive
data collected personally and from research centers around the world,
it provides much information never before offered in book form.
Chapter
4
Fostering Vine Winter Survival
Detailed
instructions on winter protection of grapevines are presented here, based
on experiences from all over the northern grapegrowing world. Temperature-modifying
effects of vineyard ground covers and the potential of super-hardy rootstocks
to enhance the hardiness of grapevines are discussed.
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