Table of Contents

Table 2.5-10

Table 2.5-10. Fungicide efficacy for wheat disease control based on application at threshold level.
  Product Fungicide(s) Rate/A (fl oz) Powdery mildew Stagonospora leaf/glume blotch Septoria leaf blotch Tan spot Stripe rust Leaf rust Head scab

Adapted from “Fungicide Efficacy for Control of Wheat Diseases” in Management of Small Grain Diseases (NCERA-184

  1. Efficacy categories: NR=Not Recommended; F=Fair; G=Good; VG=Very Good; E=Excellent
  2. Efficacy may be significantly reduced if solo strobilurin products are applied after infection of has occurred
  3. (G) indicates greater efficacy at higher application rates
  4. — = Insufficient data to make statement about efficacy of this product
Strobilurin Headline Pyraclostrobin 23.6% 6.0–9.0 G¹ VG VG E E² E NR
Quadris Azoxystrobin 22.9% 6.2–10.8 F(G)³ VG VG E E² E NR
Triazole Proline Prothioconazole 41% 5.0–5.7 —4 VG VG VG — VG G(VG)³
Propimax EC Propiconazole 41.8% 4.0 VG VG VG VG VG VG F
Tilt Propiconazole 41.8% 4.0 VG VG VG VG VG VG F
Folicur Tebuconazole 38.7% 4.0 G VG VG VG E E G
Premix Quilt Azoxystrobin 7.0%
Propiconazole 11.7%		 14.0 VG VG VG VG E E NR
Stratego Propiconazole 11.4%
Trifloxystrobin 11.4%		 10.0 G VG VG VG VG G NR