Department of
Plant and Soil Sciences



Research Partners

Monitor SBR Spread



Soybean Rust and Timely Application of Fungicide
Costs   
Average yield and sale price
Growth stage
Epidemic 
Scenarios
Yield
 (bushels per acre)
Return per acre
 
Benefits and Returns
 
 
 
 
 
With Fungicide
 
 
Without Fungicide
 
 
With Fungicide
 
 
Without Fungicide
 
 
Net benefit of spraying $ per acre
 
% Difference in return per acre
SevereMoisture and temperature conditions are ideal for rapid disease development and SBR has been detected locally. State Extension Specialist has issued a general spray advisory based on the high likelihood that SBR development and associated yield losses could be extensive in vulnerable crops
 
 
 
 
 
 
ModerateSBR has been detected locally, but moisture and/or temperature conditions are not ideal for rapid disease development. State Extension Specialist has issued a general spray advisory, but has indicated that serious yield losses are unlikely in vulnerable crops due to reduced disease progress.
 
 
 
 
 
 
LightSBR has been detected locally, but moisture and/or temperature conditions are not favorable for disease development. State Extension Specialist has not issued a general spray advisory due to the low risk for yield loss in vulnerable crops.
 
 
 
 
 
 

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