Table 31. Mean yields and agronomic characteristics of 9 Early Maturity Group V (5.0 – 5.5) Roundup Ready soybean varieties evaluated in six REC tests in Tennessee for two years, 2015 – 2016 (n=12).

//////Table 31. Mean yields and agronomic characteristics of 9 Early Maturity Group V (5.0 – 5.5) Roundup Ready soybean varieties evaluated in six REC tests in Tennessee for two years, 2015 – 2016 (n=12).
Variety†Avg. Yield‡ ± Std Err. (n=12) bu/aMoisture § (n=12) %Lodging (n=7) 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) indexFrogeye (n=1) Score
Average5712.92.0401351.238.922.412.02.66.92.3
Dyna-Gro S52RY75 (RR2)61 ± 112.52.3381351.038.822.35.01.71.31.0
Terral-REV Brand REV 51A56 (RR)60 ± 112.72.3431321.538.923.125.05.716.51.0
TN Exp TN12-5507R260 ± 113.51.7421341.038.122.46.71.71.72.0
Progeny 5555RY59 ± 113.72.0411381.237.622.310.01.01.52.0
Progeny 5226RYS57 ± 112.62.0431351.240.122.311.74.07.66.3
Credenz HBK RY 5221 (RR2)56 ± 113.42.5451332.039.722.15.01.31.31.7
AR R11-89RY56 ± 112.61.4341341.041.622.135.04.727.21.7
TN Exp TN13-5531RR155 ± 112.81.5351351.037.023.10.00.00.01.0
AR UA 5414RR51 ± 112.52.4361361.038.421.510.03.04.83.7

 

† 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.

Disease ratings for Frogeye Leaf Spot are from 1-9, where 0=no disease & 10=maximum amount of plant disease or plant death. Ratings were taken at the East Tennessee

Research and Education Center on  9/7/2015

SDS disease ratings were taken at the East Tennessee Research and Education Center on 9/7/2015

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)

2017-05-23T19:46:59+00:00