xt7b2r3nx94m https://exploreuk.uky.edu/dips/xt7b2r3nx94m/data/mets.xml   Kentucky Agricultural Experiment Station. 1958 journals 073 English Lexington : Agricultural Experiment Station, University of Kentucky Contact the Special Collections Research Center for information regarding rights and use of this collection. Kentucky Agricultural Experiment Station Progress report (Kentucky Agricultural Experiment Station) n.73 text Progress report (Kentucky Agricultural Experiment Station) n.73 1958 2014 true xt7b2r3nx94m section xt7b2r3nx94m Results of the
KENTUCKY GRAINSORGHUM
PERFORMANCE TESTS
|958
By J. E Shane and H. R. Richards I
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Progress Report 73
(Filing Code:]-1)
December I958
l University of Kentucky
Kentucky Agricultural Experiment Station
Lexington

 L0cAT10Ns OF THE 1958I;;»NA£1; TESTS
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(2) _

 RESULTS OF THE KENTUCKY GRAIN SORGHUM
PERFORMANCE TESTS · 1958
J• F• Shane and H• Ra Richards
This report presents yield and other agronomic
data obained from grain sorghum plantings made at
various locations in the state. Each planting consisted
of 36 hybrids and varieties. Each hybrid or variety was
planted in 2-row plots 13 feet long in each of h repli-
cations.
Heads in the test at Lexington were bagged when
they were in the early dough stage to prevent bird
damage. Birds began to damage the bags and the test was
harvested September 18. The tests at Princeton and .
Owensboro were not harvested because of poor stands due
to excessive moisture and extensive bird damage. Part
of the test area at Owensboro was under water for three
days as late as the middle of July.
Excessive moisture during the early part of the
L growing season made cultivation difficult. The test at
Franklin was quite weedy and probably reduced yields.
The average yield for the tests at Franklin and
Lexington in 1958 was 92.5 bushels per acre. The average
yield at Franklin was 72.h bushels per acre and was bO.2
bushels below the Lexington average of 112.6 bushels per
acre. Data for the test at Franklin are presented in
Table 1, that for Lexington in Table 2 and a summary of
the two locations in Table 3.
(2)

 EXPLANATION OF TERMS USED IN THIS REPORT
l. Yield. Yields of grain sorghum are reported as bushels b
per acre of threshed grain at l3.0 percent moisture and
56 pounds per bushel. Adjustments were made for bird
damage and for significant variations in stand.
2. Moisture. Samples for moisture determinations were `
taken from the bulked grain of all replications.
3. Height. The distance from the base of the plant to the ‘
top leaf (flag leaf) and to the top of the plant is re-
ported in inches.
h. Head Exsertion. The distance between the top leaf and
the base of the head. This characteristic is reported
as G - good, F - fair, and P — poor. Varieties with
good head exsertion are more easily combined because
less plant material will be passed through the combine.
5. Lodging. Plants leaning at an angle of more than 30
degrees from the vertical are considered lodged.
6. Broken Peduncles. Plants that are broken between the
top leaf and the head.
7. Test Weight. Test weight or weight per bushel is one
of the quality factors used in determining the grade
that is assigned in commercial marketing of grain.
The higher the test weight, the higher the market
value unless the grain is down-graded by another
factor.
B. Date Headed. The number of days after July l when SO
percent of the heads have emerged from the leaf sheath.
9. L. S. D. The abbreviation "L.S.D." means least signifi
cant difference. Two varieties differing in yield by
less than the L.S.D. cannot be said to differ in yield
in that particular test if one wishes to be correct at
least 95 percent of the time.
(M)

 VARIETIES AND HYBRIDS TESTED
Varieties gxbrids
Caprock AMAK R·10
Combine Kafir-60 R-12
Combine Shallu DeKalb C-Mm
Early Kale D-5OA
Martin E-S6;.
Midland F-62.5.
Norghum Exp. 1
Plainsman P.A.G. b,05 S
Redbine-58 I425 S
Redbine-60 UBS S
Redlan 515 S 4
Reliance RS 501
Texas on 590
Texas 07 610
Texas 714 650
Westland Texas 601
611
620
` Early Exp.
Pedigrees of Experiment Station and Regional
grain sorghum hybrids tested in 1958.
RS 501 (ms Combine Kafir·60 x Norghum )
RS S90 ( " x Redbine—60)
RS 610 ( ·· x sA7078 )
RS 650 ( ** x Plainsman )
Texas 601 ( ” x Texas on )
Texas 611 ( " x Texas 7h ) I
Texas 620 ( " x Texas 07 )
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