Table 59. Mean yields and agronomic characteristics of five Maturity Group IV Conventional and Roundup Ready soybean varieties evaluated in five REC tests in Tennessee for two years, 2015 – 2016 (n=10).

/, Roundup Ready, Conventional/Table 59. Mean yields and agronomic characteristics of five Maturity Group IV Conventional and Roundup Ready soybean varieties evaluated in five REC tests in Tennessee for two years, 2015 – 2016 (n=10).
Variety†Avg. Yield‡ ± Std Err. (n=10) bu/aMoisture § (n=10) %Lodging (n=8) ScoreHeight (n=10) in.Maturity (n=10) DAPLeaf Holding (n=1) ScoreProtein (n=2) %Oil (n=2) %SDS DI (n=1) %SDS DS (n=1) 0 - 9SDS DX (n=1) index
Average5813.11.5341331.640.021.97.21.31.9
GoSoy Ireane60 ± 112.91.3331331.039.222.06.71.31.5
USG Ellis60 ± 112.61.3311351.039.721.811.71.73.5
TN Exp TN13-430357 ± 113.71.4351361.541.421.411.71.73.5
TN Exp TN11-508356 ± 113.21.6311342.340.422.52.71.00.5
MO S12-379156 ± 113.11.8391262.039.321.83.30.70.7

† If a trait appears inside parentheses i.e. (RR), then it is not part of the variety name.

‡ All yields are adjusted to 13% moisture.

  • Average moisture at harvest.

Lodging = 1 to 5 scale; where 1 = 95% of plants erect; 2.5 = ~50% of plants leaning at angle ≥ 45°; 5 = 95+% of plants leaning at an angle ≥ 45°.

Maturity = days after planting (DAP).

Leaf Holding = 1 to 5 scale; where 1 = no leaves remaining on stems at maturity; 5 = 90+% of leaves remaining on stems at maturity.

Protein & Oil on dry weight basis.

SDS disease ratings were taken at the Highland Rim Experiment Station on 9/3/2015

DI = disease incidence = percentage of plants with symptoms

DS = disease severity = score of leaf chlorosis and necrosis; 0 = no symptoms; 9 = plant death before normal defoliation due to senescence.

DX = disease index = (DI x DS / 9)

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