Table 26. 2018 MG-5E Roundup Ready Disease Tests

Table 26. Yields and disease ratings of 15 Maturity Group V Early (5.0-5.5) Roundup Ready soybean varieties in 4 County Standard Tests and in small plot trials at one Research and Education Center and one on-farm location in Tennessee during 2018

Summary from County TestsSummary from Small Plot Research
Research and Education Center at Milan (RECM)On-farm Location in Jackson (JAX)
MSVarietyAvg. Yield (bu/ac)*TreatedNon-treatedFrogeye leaf spotTarget SpotOther Diseases*TreatedNon-treatedFrogeye leaf spotTarget Spot
AAsgrow 53X956.749.057.8MODLOWCLB60.254.2LOWLOW
ABUSG 756852.450.053.7LOWLOWCLB, SDS, SC42.140.1LOWLOW
ABBeck’s 5119X251.754.849.8HIGHLOWCLB, SDS56.850.5MODLOW
ABProgeny 501651.544.952.4HIGHLOWCLB55.149.4HIGHLOW
ABLocal Seed 508751.1CLB, SDS51.743.2MODLOW
BAsgrow 55X749.855.849.5HIGHLOWCLB, SDS59.245.9LOWLOW
BCroplan 5110S49.8CLB, SDS, SC44.439.1LOWLOW
BAsgrow 52X948.9CLB63.849.4MODLOW
BTerral REV 51X248.744.350.1LOWLOWCLB47.539.2LOWLOW
BAgriGold 500048.654.851.7HIGHLOWCLB56.149.8HIGHLOW
BAsgrow 54X948.554.048.3LOWLOWCLB, SDS56.447.9LOWLOW
BArmor 50D1348.449.845.1MODLOWCLB, SDS49.545.7MODLOW
BGoSoy 51X1847.548.147.4LOWLOWCLB, SDS51.040.6LOWLOW
GoSoy 54G16CLB54.746.5LOWLOW

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: Gibson,Haywood, Lake, Wayne

*Treated plots sprayed with Quadris TOP SBX @ 7 oz./Acre + 0.25% Induce @ R3 growth stage. RECM varieties planted June 5 and JAX planted 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 – 13% with an average of 6% and no Target spot was observed.

Disease ratings at JAX: Frogeye leaf spot ranged from 0 – 16% with an average of 4% and Target spot was only observed on NK S52Y7X

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

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

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