Table 21. 2018 MG-4L Liberty Link Disease Tests

Table 21. Yields and disease ratings of 18 Maturity Group IV Late (4.6-4.9) Liberty Link soybean varieties in 6 County Standard Tests and in small plot trials at two Research and Education Center and one on-farm location in Tennessee during 2018

Summary from County TestsSummary from Small Plot Research
Average47.046.040.732.930.948.141.6
Research and Education Center at Milan (RECM)West TN Research and Education CenterOn-farm Location in Jackson (JAX)
RECM – YLDWTREC – YLDJAX – YLD
MSVarietyAvg. Yield (bu/ac)*TreatedNon-treatedFrogeye leaf spotTarget SpotOther Diseases*TreatedNon-treated*TreatedNon-treatedFrogeye leaf spotTarget Spot
ABayer CZ 5147*52.253.645.7LOWLOW37.531.153.347.8LOWLOW
ABBeck’s 494L4*50.647.040.1LOWMOD33.730.650.243.1LOWHIGH
ABCBayer CZ 532849.048.143.9LOWLOWCLB29.023.252.850.2LOWLOW
ABCDBayer CZ 491848.748.544.5LOWLOWCLB35.836.455.348.3LOWLOW
ABCDBayer CZ 4820*48.545.538.2LOWMODCLB32.631.150.944.6LOWHIGH
ABCDBayer CZ 4748*48.045.837.9LOWMODCLB28.328.949.341.0LOWHIGH
ABCDBayer HBK 4953*48.045.139.8LOWLOWSDS31.731.647.643.0LOWLOW
BCDEGoSoy 471447.242.040.0LOWMODCLB, SC31.430.946.138.6LOWHIGH
BCDEGoSoy 491347.2SDS38.234.545.737.5LOWLOW
BCDEProgeny 493046.748.342.6LOWLOWSDS37.131.541.834.8LOWLOW
BCDEBayer CZ 493846.445.440.1LOWLOWCLB, SDS29.127.152.242.2LOWLOW
BCDEBayer HBK 495046.242.637.7LOWLOWSDS31.529.942.835.7LOWLOW
CDEUSG 74G9845.046.943.1LOWLOWSDS30.327.848.943.1LOWLOW
CDEWarren Seed Micah 491044.541.536.7LOWLOWSDS31.634.042.140.4LOWLOW
CDEGoSoy 511544.344.241.9LOWLOWSDS36.734.241.936.0LOWLOW
DEBayer CZ 515043.945.941.4LOWLOWSDS35.030.347.241.2LOWLOW
EGoSoy 491242.445.337.2LOWLOWSDS32.732.743.737.1LOWLOW
Dyna-Gro S45LL97CLB29.130.154.443.9LOWLOW

YLD= Avg. Yield @ 15% moisture

MS= Varieties that have any MS letter in common are not statistically different in yield at the 5% level of probability.

Varieties denoted with an asterisks (*) or (**) etc. were in the top performing group for consecutive years.

County locations include: Dyer, Fayette, Franklin, Gibson, Henry, Madison

*Treated plots sprayed with Quadris TOP SBX @ 7 oz./Acre + 0.25% Induce @ R3 growth stage. RECM varieties planted June 5, JAX planted June 14, and WTREC planted after wheat June 14.

LOW, MOD, and HIGH is a relative ranking of disease severity at each location. Other diseases noted: SC=Stem Canker, CLB=Cercospora Leaf Blight, SDS=Sudden Death Syndrome;  ‘ – ‘ indicate variety was not tested at that location

Disease ratings at RECM: Frogeye leaf spot ranged from 0 – 1.8% with an average of 0.2%; Target spot ranged from 0 – 15% with an average of 3%.

Disease ratings at JAX: Frogeye leaf spot ranged from 0 – 1% with an average of 0.1%; Target spot ranged from 0 – 25% with an average of 5%.

Disease ratings at WTREC: Disease pressure was too low (<5%) at this location to take ratings.

Disease ratings & yield data compiled by Dr. Heather Kelly from replicated plots at the Research and Education Center at Milan, the West Tennessee Research and Education Center, and on-farm location in Jackson.

County data provided by Ryan Blair, Ext. Area Specialist, and the extension agents.

Virginia Sykes

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