Table 4. Characteristics of corn silage hybrids

Table 4-a. By location mean yield and agronomic traits of eight corn hybrids evaluated for silage in small plot replicated trials at the East Tennessee AgResearch and Education Center in Knoxville, Tennessee during 2020. Analysis included hybrid performance over a 1 yr (2020), 2 yr (2019-2020) and 3 yr (2018-2020) 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
HybridHerbicide Pkg.‡Insect Pkg.‡Dry Weight Avg. Yield
(tons/acre)
MS Dry Weight Avg. YieldDry Weight Avg. Yield
(tons/acre)
MS Dry Weight Avg. YieldDry Weight Avg. Yield
(tons/acre)
MS Dry Weight Avg. Yield Avg. Yield 65% Moisture
(tons/acre)
MS Avg. Yield 65% Moisture Avg. Yield 65% Moisture
(tons/acre)
MS Avg. Yield 65% Moisture Avg. Yield 65% Moisture
(tons/acre)
MS Avg. Yield 65% MoistureMilk/ton§MS Milk/ton§Milk/ton§MS Milk/ton§Milk/ton§MS Milk/ton§Milk/acre§
(lbs/acre)
MS Milk/acre§Milk/acre§
(lbs/acre)
MS Milk/acre§Milk/acre§
(lbs/acre)
CS190057.9A22A3496ABC27443A
Dyna-Gro D55VC80RRV2TPCS170017.4A21A3562ABC26301A
Croplan CP5678RRVT2PCS160018.1A8.8A8.9A23A25A25A3462ABC3351A3207A27999A29453A28584A
Croplan CP5900S***RRVT2PCS200027.9A23A3178D25175A
DeKalb DKC 70-64RRVT2PCS200037.3A21A3606AB26244A
DeKalb DKC 64-44RR,LLSSXCS190077.4A21A3423C25458A
Dyna-Gro D57VC17RRV2TPCS180057.1A7.9A8.0A20A23A23A3447BC3257A3075B24348A25694A24544B
Croplan CP5700S***RRVT2PCS200017.1A20A3606A25647A
Average7.58.48.5212424347333043141260772757326564
Standard Error0.50.80.512153152187174220861694
L.S.D..05N.S.N.S.N.S.N.S.N.S.N.S.157N.S.125N.S.N.S.3191
C.V.121110121110324111111
Plots per entry (reps x locs.)122436122436122436122436

Table 4-a, cont.

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
HybridHerbicide Pkg.‡Insect Pkg.‡Moisture at HarvestMS Moisture at HarvestMoisture at HarvestMS Moisture at HarvestMoisture at HarvestMS Moisture at HarvestPlant Height
(inches)
MS Plant HeightPlant Height
(inches)
MS Plant HeightPlant Height
(inches)
MS Plant HeightEar Height (inches)MS Ear HeightEar Height (inches)MS Ear HeightEar Height (inches)MS Ear HeightLodging
(%)
MS LodgingLodging
(%)
MS LodgingLodging
(%)
MS Lodging
CS1900560C103CD37AB0.0
Dyna-Gro D55VC80RRV2TPCS1700162BC93E29C0.0
Croplan CP5678RRVT2PCS1600163AB64A61B107BC103A105A37AB40A41A0.00.7
Croplan CP5900S***RRVT2PCS2000263AB113A42A0.0
DeKalb DKC 70-64RRVT2PCS2000362BC100D35BC0.0
DeKalb DKC 64-44RR,LLSSXCS1900762BC98DE36AB0.0
Dyna-Gro D57VC17RRV2TPCS1800565A65A64A110AB107A109A37AB40A43A0.00.3
Croplan CP5700S***RRVT2PCS2000165A98DE31BC0.0
Average6365631031051073540420.00.50.3
Standard Error1122433330.00.320.22
L.S.D..052N.S.36N.S.N.S.7N.S.N.S....
C.V.2343541169...
Plots per entry (reps x locs.)122436122436122436122436

 

* 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 signficiant 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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