Northern Nut Growers Association, Report Of The Proceedings At The Tenth Annual Meeting.: Battle Creek, Michigan, December 9 and 10, 1919
Science
Northern Nut Growers Association, Report Of The Proceedings At The Tenth Annual Meeting.: Battle Creek, Michigan, December 9 and 10, 1919
Northern Nut Growers Association -- Periodicals; Nut trees -- Periodicals; Nuts -- Periodicals
DR. MORRIS: Mr. Jones is quite right about that, and that is a
matter requiring more experience than I have at the present time. What I
have done in the way of protection fairly well is this: For instance, if
I graft Persian walnut on black walnut and it makes a late start and
then in September has a very sappy growth, or in October has a sappy
growth of three or four or five feet (they grow tremendously fast, like
weeds) if the bark at the base of the graft is brown or has two or
three buds that are brown or partially ripened, I cut off four or five
of the first leaves and let them harden. Then in the fall I cut off all
but those four or five buds and put wax over the end. That is the way I
avoid the winter killing of the sappy growth. As soon as the part
nearest the grafted place begins to turn brown, looks like hardening up
and two or three buds are pretty hard, I cut off four or five of those
leaves right there and let the buds ripen, and those buds will ripen
very well. I will sacrifice five or six buds for the sake of saving
three or four buds. The next year they grow all right. That is not a
nice way, but when you see you are going to lose a thing on account of
sappiness, that will sometimes work.
MR. JONES: I generally wrap the base of the limb in burlap.
DR. MORRIS: If the sappy tip dies, it poisons the rest. There
are poisonous enzymes that poison the rest of it.
MR. BIXBY: I was going to ask Prof. Chittenden if he could give
any experience with the named varieties of black walnuts.
PROF. CHITTENDEN: I don't think I could distinguish between the
varieties of black walnut that have been planted in this state. That is
not a thing that I feel able to discuss. I know that a number of
different varieties of black walnut have been planted. At the College we
have done a good deal of grafting on the black walnuts, and we have not
had very good success.
MR. BIXBY: I had in mind improved varieties of black walnut
grafted on the black walnut stock.
PROF. CHITTENDEN: I don't think we have had any experience of
that. We always get a good deal of wood from Pennsylvania in the spring
and do the grafting in class. We can not expect a very high grade of
work when the students do it as a part of their work of instruction.
There are some black walnuts in the state that have very good nuts, and
some that have not. I have tried to get for our nursery good nuts from
trees that had a good native nut. We have had so much difficulty getting
black walnuts at all the last few years that we have taken just what we
could get. We get nuts from all over the central part of the state and
plant in the nursery to get our seedling trees.
MR. BIXBY: I have found some of the named varieties of black
walnuts bearing in quite a number of sections of this state and other
states. They seem to bear quite young.
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