Table 7-a. Highland Rim (Springfield) Yield and Agronomic Traits

Table 7-a. By location mean yield and agronomic traits of eight corn hybrids evaluated for silage in small plot replicated trials at the Highland Rim AgResearch and Education Center in Springfield, Tennessee during 2021. Analysis included hybrid performance over a 1 yr (2021), 2 yr (2020-2021) and 3 yr (2019-2021) period.

HybridHerb. Pkg.†Insect Pkg.†Avg. Yield Dry Weight
(tons/acre)
     Avg. Yield 65% Moisture
(tons/acre)
     Milk/ton§
(lbs/ton)
     Milk/acre§
(lbs/acre)
     
1 yr‡2 yr3 yr1 yr2 yr3 yr1 yr2 yr3 yr1 yr2 yr3 yr
Croplan CP5900SRRVT2P6.9A6.8A6.8A20A20A20A3232A-C3055A3135A22421A20920AB21482A
Croplan CP5700SRRVT2P6.5A6.5A6.8A18A19A19A3271AB3153A3174A21104A20603AB21621A
Dyna-Gro D55VC80RRV2TP6.6A7.2A19A21A3226BC3189A21420A23011A
DeKalb DKC 70-64 RIBRRVT2P5.8A5.9A17A17A3170CD2897B18266A17108B
DeKalb DKC64-64 RIBRRVT2P7.1A20A3259AB23304A
DeKalb DKC67-66 RIBRRVT2P5.9A17A3155D18734A
DeKalb DKC61-80 RIBRRVT2P6.2A18A3264AB20162A
Croplan CP5370RRVT2P6.6A19A3296A21862A
Average6.56.66.8181919323430743154209092041121552
Standard Error0.70.50.321124156103211215981259
L.S.D..05N.S.N.S.N.S.N.S.N.S.N.S.64141N.S.N.S.3932N.S.
C.V.141413141413144151616
Plots per entry (reps x locs.)369369369369

HybridHerb. Pkg.†Insect Pkg.†Moisture at Harvest
(%)
     Plant Height
(inches)
     Ear Height
(inches)
     Lodging‖
(%)
     
1 yr2 yr3 yr1 yr2 yr3 yr1 yr2 yr3 yr1 yr2 yr3 yr
Croplan CP5900SRRVT2P71A70A69A93A98A101A39A41A43A000
Croplan CP5700SRRVT2P71A70A69A93A101A103A38A38A40A000
Dyna-Gro D55VC80RRV2TP69A68B86A94A37A39A00
DeKalb DKC 70-64 RIBRRVT2P71A70A99A98A39A39A00
DeKalb DKC64-64 RIBRRVT2P69A96A38A0
DeKalb DKC67-66 RIBRRVT2P72A91A36A0
DeKalb DKC61-80 RIBRRVT2P69A93A41A0
Croplan CP5370RRVT2P69A90A38A0
Average7069699398102383941000
Standard Error111755322000
L.S.D..05N.S.1N.S.N.S.N.S.N.S.N.S.N.S.N.S....
C.V.221776997...
Plots per entry (reps x locs.)369369369369

* Hybrids marked with an asterisk were in the top-performing “A” group for yield across locations within two (**) or three (***) consecutive years of the previous three-year evaluation period.
† For a full description of abbreviated biotech traits, see table 10.
‡ Hybrids that have any MS letter in common, within a column, are not significantly different at the 5% level of probability using a least significant difference (LSD) mean separation test.

  • Based on University of Wisconsin Milk2006 software program.
    ‖ ANOVA was not performed for lodging, mean values are given.

 

Virginia Sykes
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