DUAL II MAGNUM® Herbicide
PCP #25729 · Syngenta Canada Inc. · Herbicide
Group 15 herbicide containing S-Metolachlor for selective pre-emergent and early post-emergent control of annual grasses, broadleaf weeds, nutsedge, and nightshade in corn, soybeans, beans, potatoes, fruit trees, processing peas, rutabagas, conifers, sugar beets, lupins, tomatoes, and various minor use crops. Often used in tank mixtures with other herbicides for broader spectrum weed control.
Registered uses (44)
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 |
|---|---|---|---|
| Apple | Annual Grasses | 0.708 L/acre | — |
| Apple | Annual Grasses and Broadleaf Weeds | 0.506–0.708 L/acre | — |
| Apricot | Annual Grasses | 0.708 L/acre | — |
| Apricot | Annual Grasses and Broadleaf Weeds | 0.506–0.708 L/acre | — |
| Asparagus | American Nightshade, Eastern Black Nightshade, Crabgrass, Barnyard Grass, Fall Panicum, Foxtail, Old Witchgrass | 0.627–0.708 L/acre | 16 d |
| Bean | Annual Grasses and Nutsedge | 0.465–0.708 L/acre | — |
| Carrot | Annual Grasses and Broadleaf Weeds | 0.486–0.607 L/acre | 30 d |
| Carrot | Annual Grasses and Broadleaf Weeds | 0.607–0.708 L/acre | 30 d |
| Carrot | Annual Grasses and Broadleaf Weeds | 0.486–0.607 L/acre | 30 d |
| Celery | Annual Grasses and Broadleaf Weeds | 0.486–0.607 L/acre | 62 d |
| Celery | Annual Grasses and Broadleaf Weeds | 0.607–0.708 L/acre | 62 d |
| Cherry | Annual Grasses | 0.708 L/acre | — |
| Cherry | Annual Grasses and Broadleaf Weeds | 0.506–0.708 L/acre | — |
| Conifers | Annual Broadleaf and Grass Weeds | 0.506–0.708 L/acre | — |
| Corn | Annual Grasses | 0.506–0.708 L/acre | 80 d |
| Corn | Annual Grasses | 0.506–0.708 L/acre | 80 d |
| Corn | Annual Grasses | 0.506–0.708 L/acre | 45 d |
| Corn | Annual Grasses and Broadleaf Weeds | 0.506–0.708 L/acre | 80 d |
| Corn | Green and Yellow Foxtail, Barnyard Grass and Broadleaf Weeds | 0.506–0.708 L/acre | — |
| Corn | Green and Yellow Foxtail, Barnyard Grass and Broadleaf Weeds | 0.506–0.708 L/acre | — |
| Corn | Nutsedge, Annual Grasses | 0.506–0.708 L/acre | 80 d |
| Lupin | Annual Grasses | 0.445–0.708 L/acre | — |
| Lupin | Annual Grasses and Broadleaf Weeds including Nightshade | 0.445–0.708 L/acre | — |
| Pea | Eastern Black Nightshade, Annual Grasses | 0.506–0.708 L/acre | — |
| Peach | Annual Grasses | 0.708 L/acre | — |
| Peach | Annual Grasses and Broadleaf Weeds | 0.506–0.708 L/acre | — |
| Pear | Annual Grasses | 0.708 L/acre | — |
| Pear | Annual Grasses and Broadleaf Weeds | 0.506–0.708 L/acre | — |
| Pine | Annual Grasses and Broadleaf Weeds | 0.506–0.708 L/acre | — |
| Plum | Annual Grasses | 0.708 L/acre | — |
| Plum | Annual Grasses and Broadleaf Weeds | 0.506–0.708 L/acre | — |
| Poplar | Annual Grasses and Broadleaf Weeds | 0.506–0.708 L/acre | — |
| Potato | Annual Grasses and Broadleaf Weeds | 0.506–0.708 L/acre | — |
| Potato | Nutsedge, Annual Grasses and Broadleaf Weeds | 0.506–0.708 L/acre | — |
| Radish | Annual Grasses and Broadleaf Weeds | 0.486–0.607 L/acre | 40 d |
| Radish | Annual Grasses and Broadleaf Weeds | 0.607–0.708 L/acre | 40 d |
| Rutabaga | Annual Grasses | 0.506–0.708 L/acre | — |
| Rutabaga | Annual Grasses and Nutsedge | 0.506–0.708 L/acre | — |
| Soybean | Annual Grasses and Broadleaf Weeds including Nightshade | 0.465–0.708 L/acre | — |
| Soybean | Annual Grasses and Nightshade | 0.465–0.708 L/acre | — |
| Soybean | Nutsedge, Annual Grasses and Nightshade | 0.465–0.708 L/acre | — |
| Spruce | Annual Grasses and Broadleaf Weeds | 0.506–0.708 L/acre | — |
| Sugar Beet | Annual Grasses and Broadleaf Weeds | 0.506–0.708 L/acre | — |
| Tomato | Annual Nightshades (American Nightshade, Eastern Black Nightshade), Nutsedge, Annual Grasses and Broadleaf Weeds | 0.506–0.708 L/acre | — |
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.