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REASON® 500SC FUNGICIDE
PCP #27462 · Gowan Company, LLC · Fungicide
Group 11
Group 11 suspension concentrate fungicide containing fenamidone at 500 g/L for control and suppression of various fungal diseases including downy mildew, late blight, early blight, and Pythium diseases in vegetables, tobacco, ginseng, and herbs.
Registered uses (14)
Crop × pest × application rate combinations from the official label. Rates converted to per-acre. Always confirm against the official label PDF before applying.
| Crop | Target | Rate | PHI |
|---|---|---|---|
| Basil | Downy Mildew (Peronospora belbarhii) | 162 mL/acre | 2 d |
| Bean | Control of Cottony Leak (Pythium aphanidermatum), Suppression of Phytophthora blight (Phytophthora capsici) | 243 mL/acre | 3 d |
| Broccoli | Suppression of Downy Mildew (Peronospora parasitica) | 162–243 mL/acre | 2 d |
| Carrot | Damping off and cavity spot caused by Pythium spp. | 243 mL/acre | 14 d |
| Cucumber | Downy mildew (Pseudoperonospora cubensis) | 162 mL/acre | 14 d |
| Ginseng | Phytophthora blight and root rot caused by Phytophthora cactorum | 243 mL/acre | 14 d |
| Kale | Suppression of Downy Mildew (Peronospora parasitica) | 162–243 mL/acre | 2 d |
| Onion | Suppression of Downy mildew (Peronospora destructor) | 162 mL/acre | 7 d |
| Potato | Early Blight (Alternaria solani), Late blight (Phytophthora infestans) | 80.9 mL/acre | 14 d |
| Potato | Seed-borne late blight (Phytophthora infestans) | — | — |
| Spinach | Suppression of Downy Mildew (Peronospora farinosa f. sp spinaciae) | 162 mL/acre | 2 d |
| Tobacco | Blue mold (Peronospora tabacina) | 162–243 mL/acre | 30 d |
| Tomato | Early Blight (Alternaria solani), Late blight (Phytophthora infestans) | 80.9 mL/acre | 14 d |
| Turnip Greens | Downy mildew (Peronospora parasitica) | 162–243 mL/acre | 2 d |
About this content. This page presents the official PMRA label as published by Health Canada's Pest Management Regulatory Agency, the source of record. Always read the official label and consult your provincial pesticide- application authority before use. Report an error.