Table 22. Yields and disease ratings of 24 Maturity Group IV Late (4.6-4.9) Roundup Ready soybean varieties in 10 County Standard Tests and in small plot trials at two Research and Education Centers and one on-farm location in Tennessee during 2017

Summary from 7 County TestsSummary from Small Plot Research           
Research and Education Center at Milan (RECM)West TN Research and Education CenterOn-farm Location in Jackson (JAX)
MSVarietyAvg. Yield (bu/ac)RECM – YLD *TreatedNon-treatedFrogeye leaf spotTarget SpotStem CankerOther Diseases RECMWTREC – YLD *TreatedNon-treatedTarget SpotJAX – YLD *TreatedNon-treatedFrogeye leaf spotTarget SpotStem Canker
ADyna-Gro S48XT5666.761.956.3LOWLOWLOW52.452.3LOW
ABLG Seeds C4845RX65.858.753.0LOWLOWLOW54.253.6LOW61.456.9MODLOW.
ABCNK 48-R2X65.357.151.4MODLOWLOW52.850.2LOW53.945.4HIGHLOWMOD
ABCAsgrow 46X664.757.453.8LOWLOWLOW51.146.1LOW49.551.3MODLOWMOD
ABCDyna-Gro S49XS7663.456.851.2MODLOWLOW51.753.3LOW57.551.9HIGHLOWLOW
ABCDProgeny 4757RY63.256.256.0LOWLOWLOW50.844.9LOW58.555.2LOWLOWLOW
ABCArmor 48-D2463.157.852.6LOWLOWLOWCLB51.651.1LOW58.258.1MODLOWLOW
ABCTerral REV 4857X63.155.450.7LOWLOWLOWCLB49.649.8LOW53.549.1MODLOWMOD
ABCDAsgrow 46X763.058.349.4LOWMODLOW51.151.9LOW50.650.7LOWLOWHIGH
ABCDAsgrow 47X662.759.954.6LOWLOWLOW49.547.4LOW58.956.3LOWMODLOW
ABCDWarren Seed BG 484262.756.352.0LOWHIGHLOW52.249.9HIGH
ABCDProgeny 4620RXS62.565.057.6LOWLOWLOW53.552.0LOW54.055.0LOWLOW.
ABCDArmor 46-D0862.453.251.2LOWLOWLOW48.247.0LOW54.253.1LOWLOWLOW
ABCDCroplan RX4836 S62.254.650.9LOWHIGHLOWCLB52.051.2HIGH51.141.8MODHIGHHIGH
ABCDEGoSoy GS48R21662.240.037.0LOWLOWHIGHCLB49.749.2LOW56.851.3LOWLOW.
ABCDEAgriGold G4835RX62.142.836.3LOWLOWHIGH52.450.5LOW51.650.7LOWHIGHLOW
ABCDEWarren Seed BG 491161.738.434.7LOWLOWHIGH60.358.1MOD49.049.2LOWHIGHHIGH
ABCDEWarren Seed DS 463361.755.150.0LOWMODLOWCLB48.750.1LOW
BCDEBeck’s 4991X261.658.853.5LOWLOWLOW55.856.7LOW57.656.9MODLOW.
CDEFTerral REV 4927X60.553.755.3LOWLOWLOW53.654.2LOW57.053.5LOWLOWMOD
DEFBeck’s 487R458.053.051.4LOWLOWLOW51.750.8LOW55.853.1LOWLOWLOW
EFUSG 7497XTS57.151.345.0LOWMODLOW50.148.2LOW44.744.6LOWHIGHMOD
FGoSoy 49G1656.144.348.0LOWLOWLOWCLB45.548.6LOW52.946.8LOWLOW.
  YLD= Avg. Yield @ 13% 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:Coffee, Decatur, Dyer, Gibson,Giles, Haywood, Henry, Madison, Marion, McCracken KY. *Treated plots sprayed with Quadris TOP @ 8 oz./Acre + 1% Induce @ R3 growth stage. RECM varieties planted May 31, JAX planted May 23 , 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 – 20% with an average of 2%; Target spot ranged from 0 – 18% with an average of 3%; and Stem Canker ranged from 0 – 33% with an average of 4%. Disease ratings at JAX: Frogeye leaf spot ranged from 0 – 43% with an average of 8%; Target spot ranged from 0 – 21% with an average of 4%; and Stem Canker ranged from 0 – 36% with an average of 12%. Disease ratings at WTREC: Frogeye leaf spot was <1%; Target spot was <4%; the majority of the varieties has soybean rust but at levels too low to rate. 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.  

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