Northern Nut Growers Association, Report of the Proceedings at the Third Annual Meeting: Lancaster, Pennsylvania, December 18 and 19, 1912
Science
Northern Nut Growers Association, Report of the Proceedings at the Third Annual Meeting: Lancaster, Pennsylvania, December 18 and 19, 1912
Northern Nut Growers Association -- Periodicals; Nut trees -- Periodicals; Nuts -- Periodicals
Col. Sober: My method is this: I have a little room about six feet wide
with ice packs on both sides and double doors. In that I pack my scions
in this way: I take carbide cans made of iron and put damp sawdust,
about an inch or so, on the bottom and then I pack my scions in the
cans, cut end down, then I put the top on loosely. I have carried them
over the second year in that way.
The Chairman: But you let them breathe all the while?
Col. Sober: Certainly, and they have but very little moisture. They are
kept in a temperature of about 40 degrees.
Prof. Smith: How often do you wet that sawdust?
Col. Sober: Not once.
The Chairman: Well, that's in keeping with our theoretical basis.
Col. Sober: I cut scions any time between now and March. I don't take
them out of storage until we use them. We graft up to the middle of
June.
The Chairman: I found some hickory scions that had been accidentally
overlooked, kept under leaves, and the buds in the cambium were
perfectly good after two years. In regard to winter injury--in the
vicinity of Stamford, Conn., the nurserymen reported greater losses of
all kinds in nursery stock than they had had before in their experience.
I noticed that some small branches of the Persian walnuts had been
injured, and particularly where grafts had started a little late and had
not lignified quite thoroughly I lost whatever grafts had not had time
to lignify. Last winter the injuries in our vicinity consisted chiefly
of two kinds; occasional killing of the small branches--this does little
harm because, where the branch is killed and dies back for a certain
distance, we have three or four more branches starting up, so that
perhaps it is not sophistical to say that it does the tree good. We get
a larger bearing area than if it were not for this occasional freezing
of small branches. Another form of injury occurs in the spring. The sap
will start to ascend when we have warm days in February and March; then
a few cold days come and, if we have absolutely freezing temperature at
night, this sap freezes and when it freezes it expands, as water does
everywhere, and the result is a bursting of the bark. That is an
occasional happening with all trees but particularly with exotics. One
kind of winter injury has been overlooked in connection with the walnut.
The very last thing which the tree does in the autumn is to complete its
buds for female flowers. That is the very last job the tree has on hand
and if the tree cannot complete the buds for female flowers perfectly,
then a very little wood killing will make that a barren tree, although
it appears to be a good strong tree. That covers the kinds of winter
injury I have seen in the vicinity of Stamford, Conn.
(Here Col. C. K. Sober of Pennsylvania showed lantern slide views of his
orchards of paragon chestnuts and his methods.)
The Chairman: We will have now Mr. Reed's address with lantern views.
A 1912 REVIEW OF THE NUT SITUATION IN THE NORTH
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