Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting: Rockport, Indiana, August 25, 26 and 27, 1952
Science
Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting: Rockport, Indiana, August 25, 26 and 27, 1952
Northern Nut Growers Association -- Periodicals; Nut trees -- Periodicals; Nuts -- Periodicals
Specific experiments were conducted at Eldred, Illinois in the spring of
1951 with seedlings of pecan. The cooperation of the R.B. Best Farms and
Nut Plantation made this project possible. Several types of treatment
were tried. Out of this experience the above schedule listed in 14 steps
was developed. Other details may be obtained by contacting the authors
direct. Observations of the new growth in 1951 and 1952 were made and
the shape of leaves, color, texture and general appearance suggest that
doubling of chromosomes has been induced. Up until the present time, no
microscopic analysis has been made but this is a contemplated step and
facilities are at hand to complete this work.
While this paper is not a completed research, the authors hope that the
presentation of technique will aid and stimulate interest in this new
approach to nut improvement. In such instances where certain members may
have a particular problem such as a true hybrid-sterile as a result of
hybridity, it is hoped that the suggestions given in the above pages may
lead into a new field of improvement. There are rewards in store for the
plant breeder willing to master this new technique, but the mastery
requires careful study and diligent work.
Literature Cited
1. Eigsti, O. J. and Dustin, P.--Colchicine Bibliography. Lloydia 10:
65-114. 1947.
2. ----, ----.--Colchicine Bibliography. Lloydia 12:185-207. 1949.
3. Dermen, H.--Ontogeny of tissues in stem and leaf of cytochimeral
apples. Am. Jour. Bot. 38:753-60. 1951.
4. Dermen, H. and Bain, H. F.--Periclinal and total polyploidy in
cranberries induced by colchicine. Proc. Am. Soc. Hort. Sci. 38:
400. 1941.
PRESIDENT MacDANIELS: The Resolutions Committee for this meeting is:
John Davidson, chairman, and Dr. Rohrbacher working with him. If you
have anything in mind that should be brought up in the resolutions, see
one of these two men.
The next paper is:
An Early Pecan and Some Other West Tennessee Nuts
AUBREY RICHARDS, M.D., _Whiteville, Tenn._
MR. RICHARDS: There came under my observation in the latter part of last
summer a seedling pecan tree growing in the city limits of my home town.
It seemed that this tree had been growing unnoticed for possibly 50
years, judging by the size of the tree. The outstanding thing about this
tree and what called it to my attention was a patient who came into my
office complaining with a backache from picking up pecans on the 20th
day of August.
I wrote my friend, Mr. J. C. McDaniel, about this pecan, and when he
visited me during the Christmas holidays I gave him a sample. The only
thing that he could say bad about the pecan was that it was slightly on
the small side. I know personally that at least three or possibly four
bushels of good quality nuts were harvested from that tree, most of them
on the ground by the 20th of August.
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