Grapes -- Varieties -- United States; Viticulture -- United States
Meanwhile, much new knowledge has come to agriculture, old fallacies
have received many hard knocks and chains of tradition in which the
culture of plants was bound, have been broken. In no field of
agriculture have workers received greater aid from science than in
viticulture. Particularly is this true of the diseases of the vine.
The reports of the old experimenters were much the same, "a sickness
takes hold of the vines and they die." What the sickness was and
whether there were preventatives or remedies, no one knew a hundred
years ago. But in the last half century we have learned much about the
ills of grapes and now know preventatives or remedies for most of
them. We know also that the early vine-growers failed, in part at
least, because they followed empirical European practices. Is it not
possible that with the new knowledge we can now grow European grapes
in eastern America? The New York Agricultural Experiment Station has
put this question to test, with results indicating that European
grapes may now be grown successfully in eastern America. The following
is an account of the work with this fruit at the New York Station.
EUROPEAN GRAPES AT THE NEW YORK EXPERIMENT STATION[17]
In the spring of 1911, the Station obtained cuttings of 101 varieties
of European grapes from the United States Department of Agriculture
and the University of California. The cuttings obtained were grafted
on the roots of a heterogeneous collection of seedlings, five years
set, representing a half dozen species of Vitis. These stocks had
little to recommend them except that all were vigorous, well
established and all were more immune to phylloxera than the Old World
varieties. From four to six grafts of each of the hundred varieties
were made and a stand of 380 vines resulted, the percentage of loss
being exceedingly small. The success in grafting was probably due to
the method used, the value of which had been proved in previous work
on the Station grounds. The method of grafting and details of care
follow:
_Details of care._
In grafting, the earth was removed from the plants to a depth of two
or three inches. The vines were sawed squarely off below the surface
of the ground. The stock was then split for a cleft graft. Two cions,
made as described on page 46, were inserted in each cleft and tied in
place with waxed string. Wax was not used as it does not stick in
grafting grapes, because of the bleeding of the stock. After setting
the cion, the earth was replaced and enough more of it used to cover
stock and cion to prevent evaporation. This method of grafting is
available to those who have old vineyards. It is so simple that the
veriest tyro can thus graft grapes. Were young plants or cuttings used
as stocks, some method of bench grafting would, of course, be resorted
to.
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