Northern Nut Growers Association Report of the Proceedings at the Twenty-Fifth Annual Meeting: Battle Creek, Michigan, September 10 and 11, 1934
Science
Northern Nut Growers Association Report of the Proceedings at the Twenty-Fifth Annual Meeting: Battle Creek, Michigan, September 10 and 11, 1934
Northern Nut Growers Association -- Periodicals; Nut trees -- Periodicals; Nuts -- Periodicals
Among the hickories the Barnes, of which there are 3 trees, has fruited
several times but in no case have the nuts been filled. The Brooks, the
Stanley, and the Weiker have also fruited sparingly but the nuts have
not been filled. During the past season, 1934, a few nuts were borne on
the Taylor, Kentucky, and Vest hickory trees, which were well filled. It
may be that these varieties will prove suitable for the region. The
Kentucky looks particularly promising. The Beaver and the Fairbanks have
borne a few nuts but the quality is not sufficiently good to make them
worth growing. The Burlington hybrid pecan makes a very beautiful tree
and has set nuts in several seasons, but they are not well filled. About
half a dozen varieties of northern pecans have been fairly hardy but the
seasons are too short to mature the nuts. They have always been frozen
on the trees while still very green.
During the past winter the temperature went down to -35 deg. F. at the
University orchard. This killed most of the Persian walnuts outright.
Even the hardy varieties, Rush and Hall, were killed back to a few buds
on the trunks and larger branches. This experience has been quite
general throughout New York where the temperature went down below -25 deg. F.
It is to be hoped that some of the new sorts being introduced from the
Ukraine will be better able to stand the low temperatures experienced in
New York. The low temperature very seriously damaged the 60 Chinese
chestnuts growing in the University orchard, killing the terminals back
for several feet and the sapwood all the way out to the combium and down
to the snow line. The trees so injured made only fair recovery and it is
doubtful if they are worth saving. Some Chinese chestnut trees nearer
Cayuga Lake where the temperature only reached -27 deg. F. were only slightly
injured. It would seem, therefore, that around -30 deg. F. was the critical
temperature for the Chinese chestnut. The Japanese walnuts were not
injured seriously by the cold weather of the winter. Many of the more
tender seedlings had already been eliminated by the cold winters of the
past. The Japanese walnuts were, however, badly damaged by the late
spring frost which froze off the catkins and new shoots. This has
occurred several times in the last ten years and is a serious drawback
to the bearing of this species. Hickories and black walnuts for the most
part showed no injury except in the case of rapidly growing grafts. All
of the McCallister hican grafts were killed outright as were a number of
grafts of the shellbark hickory (Carya laciniosa). At Enfield Park where
the probable temperature was about -27 deg. F. one McCallister pecan graft
survived. The filberts were quite generally damaged both in wood and
catkins, except the Rush, which fruited heavily. Northern pecans had
their terminals killed back about 6 inches but were otherwise uninjured.
Public-domain text, read in full here on John Shaqi.
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