The order of putting pesticides in the tank is based on the formulation. Water soluble packets 2. Dry flowables or water dispersible granules 5. Surfactants or crop oil 8. Nitrogen fertilizer Field Crop Diseases - Bob Mulrooney, Extension Plant Pathologist.
Powdery mildew is still the predominant disease, but in general levels are low.
Once wheat reaches flowering and the flag leaf and the leaf below are free of disease the crop will not respond to fungicides. Wheat spindle streak mosaic virus appears to be present in some fields. The cool weather is favorable for infection and symptom expression. Samples are being checked now to confirm the presence of this disease. Corn Replant Decision Making - Richard W. Taylor, Extension Agronomist.