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ProCrop |
Foliar Fungicides for Wheat and Barley
| Chemical Application Timing | Trade names (a) | Effective Against | Comments |
| Mancozeb (b) | Various | Leaf spots ( c ) Leaf rust |
Apply twice, early (protectant) boot and 10 days later. |
| Propiconazole | Tilt Propimax EC Contend Bumper |
Leaf spots ( c ) Leaf rust, stem rust, powdery mildew | Apply at 4 leaf stage for early season leaf spot control. Apply early flag for leaf spot control in barley, apply at heading for leaf spot and scab suppression - wheat. |
| Triadimefon ( b ) | Bayleton | Leaf rust, stem rust, powdery mildew | Apply twice or at early boot and 7-10 days later. |
| Pyraclostrobin | Headline | leaf spot, leaf rust, stem rust, powdery mildew | Apply no later than 50% headed |
| Triflozystrobin + Propiconazole | Stratego | leaf spot, leaf rust, stem rust, powdery mildew | Do not apply after Feekes growth stage 8 |
| Azoxystrobin | Quadris | Leaf spots, leaf rust, powdery mildew | Apply from jointing (feekes 6) to heading (feekes 10.5) |
| Azoxystrobin + Propiconazole |
Quilt | Leaf spots, leaf rust, powdery mildew | Apply up to Feekes growth Stage 9 |
| Tebuconazole | Folicur | Leaf spots (c), leaf rust, stem rust, powder mildew | Has received Section 18 label |
a) Products come in various formulations, including wettable powders, flowables and dry flowables.
b) A mancozeb + triadimefon tank mix is registered for wheat for control of leaf rust, Septoria leaf blotch and powdery mildew. This mix generally is applied once, at early flag leaf to heading.
c) Leaf spots include disease such as tan spot, Septoria leaf blotch and net blotch of barley.
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