Table 16. 2020 MG-4E Liberty Link Disease Tests

Table 16. Yields and disease ratings of 4 Maturity Group IV Early (4.0-4.5) Liberty Link soybean varieties in 6 County Standard Tests and in small plot trials at one Research and Education Center and one on-farm location in Tennessee during 2020
Summary from County Tests  Summary from Small Plot Research       
Avg.Research & Education Center at Milan (RECM)On-farm Location in Jackson (JAX)
YieldRECM – YLDFrogeyeTargetJAX – YLDFrogeyeTarget
MSVariety(bu/ac)*TreatedNon-treatedleaf spotSpot*TreatedNon-treatedleaf spotSpot
ADyna-Gro S45EN1065.544.238.1LOWLOW49.652.6LOWLOW
BStine 41EA1257.042.239.3LOWLOW54.849.1LOWLOW
ABStine 45EB2062.644.140.0LOWLOW53.150.3LOWLOW
AUSG 7431ET65.044.543.3LOWLOW51.350.8LOWLOW
Average62.543.840.252.250.7
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.   *Treated plots sprayed with Quadris TOP SBX @ 7 oz./Acre + 0.25% Induce @ R3 growth stage. RECM varieties planted June 3, sprayed Aug 12,  and harvested Nov 3. JAX varieties planted June 2,  sprayed Aug 10, and harvested Oct 14.   LOW, MOD, and HIGH is a relative ranking of disease severity at each location. Disease ratings at RECM: Frogeye leaf spot ranged from 0 – 3% with an average of 0.7% and Target spot was not observed. Disease ratings at JAX: Frogeye leaf spot ranged from 0 – 2% with an average of 0.6% and Target spot was not observed.   Disease ratings & yield data compiled by Dr. Heather Kelly & Alyson Horner 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.    
Virginia Sykes
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