trees Nos. 2 and 5 were short, rather broad and very solid. The
wood also was very hard and well matured with a small pith even on
vigorous shoots. This seems to indicate that there may be a relationship
between density and maturity of wood and buds and winter hardiness.
_Other Seedlings_
At various places in Michigan there are English walnut trees that
originated in England or which are seedlings of trees that came from
England. An exceptionally good tree of English origin grows near Ionia
and is called Larson after the owner of the farm on which it grew. The
Larson tree is at least 50 years old and bears nuts of large size and
excellent quality in favorable seasons. This variety was propagated for
the college by the Michigan Nut Nursery and some of these trees were
planted at the Kellogg Farm in 1933. Unfortunately the past winter
killed all the young trees and so severely injured the parent tree that
its recovery is doubtful. Beck is another good variety of English origin
that grows near Allegan on the Monterey road. The original tree of this
variety was very severely injured and much greater injury was noted on
seven-year-old grafts of this variety which had been set on a black
walnut. At Vassar there is a tree of English origin that yields very
fine nuts, but this one was also severely injured. Near Conklin there is
an old tree of German origin and this was likewise severely injured, but
not so much as the trees from England.
_Chinese Walnuts_
The Chinese walnut is a geographic form of the so-called English walnut.
It occurs over a large area of central and northern China, and it is
believed that trees from the northernmost range of this species in China
are somewhat hardier than the average English walnut from western
Europe. The number of trees of this species under observation is very
limited, but those that have been seen appear to be promising. The
largest and best tree observed grows on the property of Mr. Geo. Corsan
at Islington, Ontario. This tree was subjected to -26 degrees F. last
winter and was somewhat injured. The growth this spring was delayed
longer than normally and some killing back was noted. Eventually the
tree started to grow and made a normal amount of growth. Scions from
this tree were grafted on two black walnut trees at the Kellogg Farm in
1933 and a vigorous growth was made in that season. These grafts were
carefully examined in the spring of 1934 and were found uninjured.
Su
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