Table 3. Mean dry weight yields

Table 3. Mean dry weight yields across and by location of five corn hybrids evaluated for silage in replicated small plot trials at four REC locations in Tennessee during 2019. Analysis included hybrid performance across a 1 yr (2019), 2 yr (2018-2019), and 3 yr (2017-2019) period.

HybridHerbicide Pkg.‡Insect Pkg.‡Avg. Yield Dry Weight
(tons/acre)
1 yr
MS Avg. Yield Dry Weight
1 yr
Avg. Yield Dry Weight
(tons/acre)
2 yr
MS Avg. Yield Dry Weight
2 yr
Avg. Yield Dry Weight
(tons/acre)
3 yr
MS Avg. Yield Dry Weight
3 yr
Knoxville
(tons/acre)
1 yr
Knoxville
(tons/acre)
2 yr
Knoxville
(tons/acre)
3 yr
Crossville
(tons/acre)
1 yr
Crossville
(tons/acre)
2 yr
Crossville
(tons/acre)
3 yr
Spring Hill
(tons/acre)
1 yr
Spring Hill
(tons/acre)
2 yr
Spring Hill
(tons/acre)
3 yr
Springfield
(tons/acre)
1 yr
Springfield
(tons/acre)
2 yr
Springfield
(tons/acre)
3 yr
Augusta A9967RR,LL3000GT8.5A8.59.58.47.6
Croplan 6027RRVT2P8.5A8.39.48.47.7
Augusta A7768***RR,LL3110GT8.5A8.3A8.5A8.98.18.38.68.38.57.98.79.48.48.27.7
Croplan 5900***RRVT2P8.4A8.6A8.7A9.59.39.29.79.49.47.48.39.06.97.47.4
Croplan 5700**RRVT2P8.3A8.2A8.88.59.48.77.88.17.37.3
Average8.48.48.58.88.68.79.38.88.98.08.49.27.67.77.5
Standard Error0.30.50.40.60.60.40.60.50.30.80.70.90.90.40.4
L.S.D..05N.S.0.530.50N.S.N.S.N.S.N.S.N.S.0.69N.S.N.S.N.S.N.S.N.S.N.S.
C.V.1411121212121097161110161214
Plots per entry (reps x locs.)122436369369369369

* Hybrids marked with an asterisk were in the top performing “A” group for yield within two (**) or three (***) consecutive years of the previous three year evaluation period.

† For a full description of abbreviated biotech traits, see table 5.

‡ 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.

Virginia Sykes

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Virginia Sykes vsykes@utk.edu
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