xt7mpg1hk647 https://nyx.uky.edu/dips/xt7mpg1hk647/data/mets.xml   Kentucky Agricultural Experiment Station. 1958 journals 063 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.63 text Progress report (Kentucky Agricultural Experiment Station) n.63 1958 2014 true xt7mpg1hk647 section xt7mpg1hk647 Results of the KENTUCKY
» GRAIN and SIRUP SORGHUM
PERFORMANCE TESTS
`l958
By J.E Shane and Randolph Richards
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Progress Report 65
(Filing Code I-I)
February I958
University of Kentucky
Kentucky Agricultural Experiment Station
, Lexington

 LOCATIONS or THE 1957 GRAIN I
AND S1RU1> SoRoHUM Pzaromvu-xNcE TESTS
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Location (LEE Cooperator G
1. Lexington Grain Sorghum Ky. Agr. Exp. Sta.
2. Herndon Grain Sorghum H. M. Young, Jr.
3. Princeton Grain Sorghum Western Ky.
Substation
4. Quicksand Sirup Sorghum Robinson Agr. Exp. V
Substation
5. Hawesville Sirup Sorghum Hawesville Sorghum
Growers Ass‘n.
Griffin Swihart,
Cletus Morris
(2) G

 RESULTS OF THE KENTUCKY GRAIN AND SIRUP
SORGHUM PERFORMANCE TESTS — 1957
J. F. Shane and Randolph Richards
L This report presents data obtained from grain and
sirup sorghum plantings made at different locations in
the state.
The Kentucky Agricultural Experiment Station rec-
ommends the combine type grain sorghum varieties: Midland,
Early Hegari, Martin, and Plainsman. The sirup sorghums
recommended are: Sugar Drip, Williams and Tracy.
Hybrid grain sorghums show great promise of re-
placing the standard varieties, but not enough testing
has been done to justify any specific recommendations.
The hybrids R.S.6lO and Texas 620 were produced in Kentuclq
for interstate certification in 1957. It is suggested that
growers plant one or more of the more promising hybrids and
compare them with standard varieties grown under comparable
conditions. Whenever possible, the grower should use certi-
fied seed; otherwise, use seed from a reliable source.
Although the variety Early Hegari is high-yielding,
under favorable moisture conditions and on soil of high
fertility it may grow too tall for combining.
No data was recorded for the 1957 Lexington grain
sorghum test because of extensive bird damage. The 1957
sirup sorghum test at Hawesville was not harvested. Late
spring rains resulted in delayed planting and the environ-
ment favored invasion of downy mildew.
Data for the grain and sirnxp sorghum tests at
Lexington and Hawesville for previous years are presented
in this report.
(2)

 TERMS USED IH THIS REPORT
T 1. Br;. A measure of the total soluble solid content
most of which is sugar) of the juice of sweet sorghum.
2. Date Headed. The date when 50 percent of the heads
have emerged from the leaf sheath. .
3. Juice Extraction. A percentage figure indicating the
amount of juice obtained by milling 100 pounds of sweet
sorghum stalks after the leaves and heads have been
removed.
M. Head Exsertion. The distance between the top leaf and
the base of the head. This characteristic is reported
as G-5006 F—fair, and P-poor. Varieties with poor
head exsertion are likely to mold when the base of the
head is enclosed in the leaf sheath. I
5. Head Type. Heads are classed as O—open, Sc—semi—compact,
or C—compact. Open type heads are more desirable since
they will dry more readily and are less likely to mold
and harbor insects. A variety with an open head will ·
probably be ready to combine earlier than a compact-
headed variety of about the same maturity.
6. Height. The distance from the base of the plant to the
top leaf and to the top of the plant is reported in
inches. Shorter plants are more easily combined.
7. Moisture. Samples for moisture determinations were taken
from the bulked grain of four replications.
8. Yield. Yields of grain sorghum are reported as bushels
per acre of threshed grain at 13.0 percent moisture and
56 pounds per bushel. Yields of sirup sorghums are re-
ported as gallons of sirup per ton and per acre at a
density of 76 degrees Bri:.
9. 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.
0+)

 10. L.S.D. The abbreviation "L.S.D”. means least sig-
nificant 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.
Agronomic data other than yield have not been sub-
7 jected to statistical analysis and small differences
between varieties should not be considered strongly
indicative of a true difference.
In the grain sorghum tests at Princeton each variety
was seeded in rows *+2 inches apart and in rows 1}+
inches apart. The LI»2—inch spacing was cultivated
twice during the season. The l}+—inch spacing received
no cultivation. There were practically no weeds in
either of the spacings. The seeding rates in 1957
were six pounds per acre for the M2-inch spacing and
eighteen pounds per acre for the lh-inch spacing. In
1956 the rates for 1}+-inch and I-4»2—inch spacings were
the same number of pounds per acre. In l956 no sig-
nificant yield differences were noted between spacings
except for three varieties. The it-2-inch spacing yield-
ed significantly more in 1957 than did the lib-inch
spacing; this difference may be a reflection of the
high seeding rate used in the lll·—inch spacing.
. Pedigrees of Experiment Station and Regional grain
sorghum hybrids tested in 1957:
B.S.50l (ms Combine Kafir - 60 X Norghum )
11.5.590 ( ¤ x nesting 60)
R.S.61O ( ” X SA 7078 )
n.s.650 ( ¤ x 1=1a1¤smsn )
rams 60l ( " x mx. 01+ )
Texas 611 ( ¤ x mx. 74 )
Texas 620 ( " X Tx. 07 )
Texas 660 ( “ X Caprock )
Privately..contr01led hybrids tested;
DeKalb G-Mba Frontier 390 AMAK B.-10
DeKalb D—5OA Frontier U00 AMAK R-l2
DeKalb E-56A Frontier M10
1>eKa1‘¤ F—62.A.
(5)

 Table 1. 1956 - Lexington, Planted June 5
 
Acre Date Plant Test
Variety Yield Moisture flowered ht. wt.
bu. % Date ins. 1'bs/bu. 1 `
conmns 60 62.2 16.9 8-11+ 57 56.7
Darset 78.6 11+.9 8-10 1+7 53.5
Early Combine Hegari. 89.8 13.5 8-12 58 56.8
Early nsgs:1 75.6 13.1+ 8-11 60 57.1
mtm 69.7 11+.5 8-12 51+ 59.2
Mldland 66.7 11+.3 8-ll 57 57.5
R.S.590 93.2 11+.5 8-7 59 58.1-+
n.s.650 96.5 11-+.9 8-11 57 56.5
B.S.501 81.7 11+.3 8-2 59 57.2
R.S.610 98.1 15.1 8-9 56 56.1 ‘
Norghum 1+6 . 8 12 . 8 7-31 1+9 53 . 6
Plainsman 81.1 11+.9 8-12 1+9 55.7
Redbine 56 78.7 13.3 8-1+ 50 56.0
1* 60 92.5 11+.6 8-8 56 56.0
Westland 78.1 15.8 8-12 1+5 56.0
gy, 106 (corn) 76,5 18,0 - 1+8 --
Means 79.1 11+.7 8-9 53 56.1+
L.S.D. 11.6 bushel
Table 2. 1951+-1956 - Lexington, Normal Planting Date f
 
Acre Date Heiggt to
Variety Yield Flowered Flag Top of Test
leaf Plant wt. Lodging
BU. Date ins. ins. lbe1bu % ·
Early Combine Hegari 89.8 8-12 1+6 58 56.1+ 9
Early Hegari 63.3 8-1l 1+7 58 56.7 1
Ms;-un 59.1 8-11 39 52 58.7 1
Midland 61.6 8-11 1+1+ 56 56.5 0
Plainsman 65.2 8-12 36 1+9 56.2 Tr.
Redblne 56 61+.1+ 8-1+ 39 51+ 57.2 1
Westland 63.9 8-12 33 1-+6 57.6 Tr.
Means 66.8 8-12 1+1 53 57.0 2
(6)

 Table 3. 1957 - Grain Sorghm, Herndon and Hopkinsville.
 
Acre Yield - bu. Lodging Test wt. ’
 
Early Hegarzi. 89.5 71.8 67.3 Tr 51.8
Midland 61.5 60.5 61.1 51.1+
, Martin 73.3 62.3 62.3 1 55.5
Pleineman 86.8 72.8 69.8 51.7
nedbine 56 63.8 58.7 61+.2 1+.5 52.1+
Texas 620 79.6 55.0
Re¢1b1ne 66 73.9 51+.2
Westland 68.1+ 60.1 59.6 51+.8
Dnreet 62.1+ 51+.8 51+.9 1+8.1
Norguum 50.0 1+6.3 1+7.5 50.3
Combine Kafir 60 55.5 55.2 53.1+
Early Kale 73.6 56.3
11.s. 610 95.7 81+.0 rr 53.1+
D.D. Hegari 83.3 52.5
Gacprook 89.5 53.0 _
DeKalb 1;-56 A 89.1+ 51+.1+
12.S. 590 83.6 70.6 1.5 53.9
Frontier 1+10 69.0 51+.8
Combine 7078 81.9 1+9.6
` DeKe.1b D-50 A 101+.6 51+.5
Dw. Kaflr 111+-11+ 60.1+ 57.7
Coos 51.1+ 1+8-3
B. s. 501 73.0 70.9 0.5 51+.1
Frontier 390 71.9 536
DeKeJ.b 0-111+A 92.3 52.1
Bonita. 71+-1+ 118-1
Relience 1+6·8 l*8•°
R.s. 650 81.6 71.1+ 0.5 52.2
Frontier 1+00 90.2 52-5
Combine Ke.f1r(Fulk sel) 55.5 53.0
neun 72.7 52.1+
1>eKe1·¤ 1*-62 A 86.5 51+.5
AMAK 11-10 79.9 51+-3
AMAK 11-12 50.3 1+9.0
D. D. Schrock Kafir 67.0 1+8.2
Dv. Sagrain 72.1+ 50.
Means 73.9 61+.6 60.8 0.2 52.1+
L.S.D. 10.6
(7)

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 Table 9. Sorgo Variety Test — Hawesville, Kentucky, 1956.
 
Stripped Juice Bri: Sirup S1ru;> Lodg-
Varie stalks Extraction Degrees per ton per acre ing
Tons7Acre % Gel. Gal. g
w1111ams 12.3 1+8.1 18.1 19.3 237 57
_ saw 15.6 49.3 16.1 17.6 275 7
Tracy 12.0 48.3 11+.6 15.6 193 25
Wiley 13.6 1+7.2 16.6 17.8 237 22
Mer 53-6 17.3 1+8.7 15.6 16.8 291 23
Umbrella 12.8 1+9.9 16.1 17.8 228 38
Sugar Drip 11+.0 50.11 15.6 17.1+ 21411 111
Honey 15.6 51.8 12.6 11+.5 226 25
Red Top 12.0 119.9 16.1 17.8 211+ 17
Honey map 11+.3 1+9.1 16.1 17.5 250 22
Waconia 9.9 39.7 17.1 18.5 183 71
Means 13.6 11-8.11 15.9 17.3 231+ 29
1..s.11. 1+.0
Table 10. 1954 and 1956, Hawesvzllle.
 
Sirup Brix
Variety P€r Acre Degrees Lodgingy
G8:]-O %
8 Williams 238 17.3
6 sam; 288 16.1+
Tracy 218 11+.8
Umbrella. 231 15 . 7
Sugar Drip 220 11+.9
Honey Drip 251+ 16.0
Means 2}+2 15.9
1] 1951+ test was blown down during a wind and rain storm.
(ll)

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