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
Fruit trees suffered severe injury from these extreme temperatures.
Nearly all the older Baldwin apple trees in the vicinity were killed or
so severely injured as to be of no further value for fruit production.
Peach fruit buds were all killed and many of the trees succumbed, even
in well cared for orchards. Very few sweet cherry buds survived, and
many trees were injured or killed. Delaware, Catawba and Niagara grapes
were also killed to the ground or lost most of their buds. Japanese
plums failed to bloom, and the trees were severely injured. Nearly all
climbing roses were killed to the ground. Even the native elderberry,
Sambucus canadensis, was killed back in many cases. Such was the winter
experienced by the filberts.
Before classifying the filbert varieties as to their hardiness, some
general statements regarding the effect of the cold on the filberts may
be of interest.
The injury to the wood seemed to be due to a gradual drying out and the
clear cut distinction between winter killed wood and live wood so
evident in peaches, apples, and pears did not show in the filberts. The
wood of the filberts had a dried out appearance with a few brown streaks
so that one could not predict definitely in February the amount of
injury. It was not until midsummer that a true picture of the injury to
the wood could be obtained. This gradual drying out of the wood without
the clear cut distinctions between dead and live wood also characterized
the winter killing of the wood of grapes and raspberries. In the spring
new growth on the injured filbert wood started late. If the injury was
slight the foliage soon reached normal size. In some cases the early
leaves were very small, but later attained normal size. With trees that
were severely injured the leaves remained small until midsummer and then
gradually turned yellow and died. Many branches were killed outright and
failed to start or only a bud here and there would start. On the trees
of a few varieties that were injured the least, a few small leaves were
the chief evidence of winter injury.
The recuperative power of the filbert seems to be nearly as great as
that of the peach and pear insofar as this may be determined by
observation in the orchard. In spite of the past winter the station
filbert orchards present a fairly good appearance except for a few
varieties. It is probably safe to consider filberts as hardy as peaches
and sweet cherries.
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