Table 3. Mean dry weight yields

Table 3. Location comparison of mean dry weight yields of eight corn hybrids evaluated for silage in replicated small plot trials at four REC locations in Tennessee during 2020. Analysis included hybrid performance across a 1 yr (2020), 2 yr (2019-2020) and 3 yr (2018-2020) period.

HybridHerb. Pkg.†Insect Pkg.†EntryAvg. Yield Dry Weight
(tons/acre)
   Knoxville
(tons/acre)
    Crossville
(tons/acre)
    Spring Hill
(tons/acre)
    Springfield
(tons/acre)
    
HybridHerbicide Pkg.‡Insect Pkg.‡Avg. Yield Dry Weight
(tons/acre)
MS Avg. Yield Dry WeightAvg. Yield Dry Weight
(tons/acre)
MS Avg. Yield Dry WeightAvg. Yield Dry Weight
(tons/acre)
MS Avg. Yield Dry WeightKnoxville
(tons/acre)
Knoxville
(tons/acre)
Knoxville
(tons/acre)
Crossville
(tons/acre)
Crossville
(tons/acre)
Crossville
(tons/acre)
Spring Hill
(tons/acre)
Spring Hill
(tons/acre)
Spring Hill
(tons/acre)
Springfield
(tons/acre)
Springfield
(tons/acre)
Springfield
(tons/acre)
1 yr‡2 yr3 yr1 yr2 yr3 yr1 yr2 yr3 yr1 yr2 yr3 yr1 yr2 yr3 yr
7.4A7.9A6.1A7.7A7.8A
Dyna-Gro D55VC80RRV2TPCS190057.1A7.4A5.7A7.1A8.2A
Croplan CP5678RRVT2PCS170017.0A7.7A8.1A8.1A8.8A8.9A6.0A7.8A8.3A7.1A7.3A7.9A6.7A6.8A7.2A
Croplan CP5900S***RRVT2PCS160016.9A7.9A6.4A7.2A6.1A
DeKalb DKC 70-64RRVT2PCS200026.7A7.3A5.4A7.7A6.6A
DeKalb DKC 64-44RR,LLSSXCS200036.7A7.4A5.7A7.3A6.4A
Dyna-Gro D57VC17RRV2TPCS190076.6A7.5A7.6A7.1A7.9A8.0A5.5A7.4A7.6A7.1A7.5A7.8A6.6A7.0A7.1A
Croplan CP5700S***RRVT2PCS180056.6A7.1A5.4A7.8A5.9A
Average6.60.00.07.10.00.05.40.00.07.80.00.05.90.00.0
Standard Error6.97.67.87.58.48.55.87.67.97.47.47.86.86.97.1
L.S.D..050.460.790.560.520.810.500.301.911.160.570.480.550.590.380.34
C.V.N.S.N.S.N.S.N.S.N.S.N.S.N.S.N.S.N.S.N.S.N.S.N.S.N.S.N.S.N.S.
Plots per entry (reps x locs.)1212121211108911121614141312

* 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.

Virginia Sykes
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