Ohio State University Extension/Research

Improving Wheat Yields in Ohio


Table 9: Efficacy of Fungicides for Wheat Disease Control Based on Application at Threshold Level.

Fungicide
Rate/A
Powdery Mildew*
Stagonospora Leaf Blotch**
Leaf Rust**
Head Scab***
Tilt
4 fl. oz
Excellent
Good
Excellent
Poor
Quadris
6.2 to 10.8 fl. oz.
Fair
good
Excellent
Poor
Stratego
10.0 fl. oz.
Fair
Good
Excellent
Poor
* Powdery mildew efficacy based on application at flag leaf emergence (Growth Stage 8).
**Stagonospora and leaf rust control based on application at head emergence (Growth stage 10.1)
***Head Scab control based on application at beginning flowering (Growth Stage 10.5.1)


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