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
substantially the same results as those tested in 1918. Another like it
was afterward found where the result was repeated. This proved
definitely that the trouble was not with the methods, and that, in off
years, with the Clark hickory at least, some few nuts were borne that
would test out as well as those borne in good years. The results of the
tests on these good nuts borne in 1919 were substituted for those on the
inferior nuts previously tested for in contests it is always the
intention of those sending in nuts to send in the best.
It will be noted that the number of points finally awarded the Clark
hickory for example this year is less than awarded last year. This
difference is due to the method of scoring. In a matter as new as
methods for measuring nut characteristics, the constants which have to
be determined by experience must change somewhat at first. The method
used this year in testing nuts sent in to the contest was to judge them
on the basis used in 1918, redetermine the constants that required it,
and work out the results again. An example will help to make this
clear.
Take the matter of proportion of kernel, the highest award for which was
15 points in 1918 and also in 1919. Up to the time the 1918 contest was
decided the hickory with the largest proportion of kernel was the Beam,
Nut No. 3, of the 1918 contest with over 50% of kernel and the lowest
was the Brown mockernut of the 1918 contest with 18% of kernel. On the
basis of the difference between the highest and lowest the number of
points to be awarded each was worked out. On this basis the Clark
hickory was awarded, in 1918, 10 points for a proportion of kernel of
40.8%. In the case of the 1919 contest nuts with larger proportion of
kernel were found, the Hatch bitternut with 65%, and the Halesite
bitternuts with 69% kernel. A mockernut from Sliding Hill, Jackson, S.
C. with only 14% kernel was also found and the figures for awarding
points for proportion of kernel were recalculated as follows:
Points Points
69% and over 15 65.3% to 68.9% inclusive 14
61.7% to 65.2% inclusive 13 58.0% to 61.6% inclusive 12
54.3% to 57.9% inclusive 11 50.7% to 54.2% inclusive 10
47.0% to 50.6% inclusive 9 43.3% to 46.9% inclusive 8
39.7% to 43.2% inclusive 7 36.0% to 39.6% inclusive 6
32.3% to 35.9% inclusive 5 28.7% to 32.2% inclusive 4
25.0% to 28.6% inclusive 3 21.3% to 24.9% inclusive 2
17.7% to 21.2% inclusive 1 14.0% to 17.6% inclusive 0
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