Northern Nut Growers Association, Report of the Proceedings at the Seventh Annual Meeting: Washington, D. C. September 8 and 9, 1916.
Science
Northern Nut Growers Association, Report of the Proceedings at the Seventh Annual Meeting: Washington, D. C. September 8 and 9, 1916.
Northern Nut Growers Association -- Periodicals; Nut trees -- Periodicals; Nuts -- Periodicals
DR. STABLER: I asked the question whether anybody knows whether the
almond is affected by peach yellows, and nobody seems to know, but peach
yellows is something connected with climate. There is a yellows line
that has remained definite and distinct for the last twenty-five years,
and you can describe that line on the map, and it stays right where you
put it. All north of that line the peach trees are affected by yellows,
and south they are not. That line runs through Mount Vernon and
Annapolis, and across Chesapeake Bay to Chestertown. Now, below that
isothermal line there is a little peninsula south of Chestertown, in
Kent county, a little peninsula there--a little long neck that runs out
into the bay below Chestertown--where they have never had any peach
yellows, and yet at Chestertown the trees have always been affected by
peach yellows, and it is probable that it will be found, if the almond
is affected by peach yellows, that the same laws apply to it. That is,
south they will have the yellows, and north they will not. Now, at
Vincennes, I suppose that they are north of the yellows line for
peaches. Do your peach trees have peach yellows?
MR. M. P. REED: No, sir.
DR. STABLER: Perhaps you are north of it, then. If so, the almond hasn't
been tried out as to yellows.
THE PRESIDENT: This association is greatly indebted to Dr. Morris, who
helped to get it together, for his indefatigable searching of the
corners of the earth for specimens, species and varieties of trees in
his ambition to get to his Stamford place all of the varieties of
nut-bearing trees. Several of our members have taken a little interest
in the question of the hazel-filbert family. Dr. Morris has taken a lot
of interest. Last year he gave us a most exhilarating presentation of
the subject, and he is this year going to give us some brief notes on
the progress of his knowledge concerning the hazels and filberts. Dr.
Morris.
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