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MST 4 SC Herbicide
PCP #35442 · Bayer Cropscience Inc. · Herbicide
Group 27
Group 27 herbicide containing mesotrione at 480 g/L for pre-emergent and post-emergent control of broadleaf weeds in soybeans, field corn, sweet corn, seed corn, cranberries, asparagus, blueberries, sod production, sorghum, and rhubarb. Provides control of redroot pigweed, velvetleaf, lamb's-quarters, wild mustard, eastern black nightshade, and suppression of common ragweed.
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 |
|---|---|---|---|
| Asparagus | Lamb's-quarters, redroot pigweed, velvetleaf, wild mustard, common ragweed (suppression only) | 0.121 L/acre | — |
| Asparagus | Lamb's-quarters, redroot pigweed, velvetleaf, wild mustard, common ragweed (suppression only) | 0.121 L/acre | — |
| Blueberry | Eastern black nightshade, velvetleaf, redroot pigweed, common ragweed (suppression) | 0.121 L/acre | — |
| Blueberry | Eastern black nightshade, velvetleaf, redroot pigweed, common ragweed (suppression) | 0.121 L/acre | 60 d |
| Blueberry | Eastern black nightshade, velvetleaf, redroot pigweed, common ragweed (suppression) | 0.121 L/acre | — |
| Blueberry | Eastern black nightshade, velvetleaf, redroot pigweed, common ragweed (suppression) | 0.121 L/acre | 60 d |
| Blueberry | Lamb's-quarters, redroot pigweed, velvetleaf, wild mustard, common ragweed (suppression) | 0.121 L/acre | — |
| Blueberry | Lamb's-quarters, redroot pigweed, velvetleaf, wild mustard, common ragweed (suppression) | 0.121 L/acre | 60 d |
| Blueberry | Lamb's-quarters, redroot pigweed, velvetleaf, wild mustard, common ragweed (suppression) | 0.121 L/acre | — |
| Blueberry | Lamb's-quarters, redroot pigweed, velvetleaf, wild mustard, common ragweed (suppression) | 0.121 L/acre | 60 d |
| Corn | Broadleaf weeds | 0.085 L/acre | — |
| Corn | Broadleaf weeds | 0.085 L/acre | 50 d |
| Corn | Eastern black nightshade, redroot pigweed, velvetleaf, common ragweed (suppression only) | 0.085 L/acre | 100 d |
| Corn | Eastern black nightshade, redroot pigweed, velvetleaf, common ragweed (suppression only) | 0.085 L/acre | 100 d |
| Corn | Lamb's quarters, wild mustard, redroot pigweed, common ragweed (suppression), velvetleaf | 0.121 L/acre | 100 d |
| Corn | Lamb's quarters, wild mustard, redroot pigweed, common ragweed (suppression), velvetleaf | 0.121 L/acre | 100 d |
| Corn | Lamb's quarters, wild mustard, redroot pigweed, common ragweed (suppression), velvetleaf | 0.121 L/acre | 100 d |
| Corn | Not Specified | 0.085 L/acre | — |
| Corn | Not Specified | 0.085 L/acre | 50 d |
| Corn | Tall waterhemp | 0.121 L/acre | 100 d |
| Corn | Volunteer adzuki bean, large crabgrass, giant ragweed, tall waterhemp, common cocklebur | 0.085 L/acre | 100 d |
| Corn | Volunteer adzuki bean, large crabgrass, giant ragweed, tall waterhemp, common cocklebur (suppression) | 0.085 L/acre | 100 d |
| Cranberry | Cinquefoil (suppression), goldenrod, rushes (suppression), sedges (suppression) | 0.085 L/acre | 60 d |
| Cranberry | Cinquefoil, goldenrod, rushes, sedges (suppression) | 0.085 L/acre | 60 d |
| Cranberry | Eastern black nightshade, redroot pigweed, velvetleaf, common ragweed (suppression), vetch (suppression), creeping buttercup (suppression) | 0.085 L/acre | 60 d |
| Cranberry | Eastern black nightshade, redroot pigweed, velvetleaf, common ragweed (suppression), vetch (suppression), creeping buttercup (suppression) | 0.085 L/acre | 60 d |
| Cranberry | Lamb's-quarters, redroot pigweed, velvetleaf, wild mustard, common ragweed (suppression), vetch (suppression), creeping buttercup (suppression) | 0.121 L/acre | 60 d |
| Cranberry | Lamb's-quarters, redroot pigweed, velvetleaf, wild mustard, common ragweed (suppression), vetch (suppression), creeping buttercup (suppression) | 0.121 L/acre | 60 d |
| Rhubarb | Lamb's-quarters, redroot pigweed, velvetleaf, wild mustard, common ragweed (suppression) | 0.121 L/acre | 42 d |
| Rhubarb | Lamb's-quarters, redroot pigweed, velvetleaf, wild mustard, common ragweed (suppression) | 0.121 L/acre | 42 d |
| Sod | Eastern black nightshade, velvetleaf, redroot pigweed, common ragweed (suppression) | 0.085 L/acre | — |
| Sod | Lamb's-quarters, redroot pigweed, velvetleaf, wild mustard, common ragweed (suppression) | 0.121 L/acre | — |
| Sorghum | Lamb's-quarters, redroot pigweed, velvetleaf, wild mustard, common ragweed (suppression) | 0.121 L/acre | — |
| Sorghum | Lamb's-quarters, redroot pigweed, velvetleaf, wild mustard, common ragweed (suppression) | 0.121 L/acre | — |
| Soybean | Eastern black nightshade, redroot pigweed, velvetleaf, common ragweed (suppression only) | 0.085 L/acre | 45 d |
| Soybean | Eastern black nightshade, redroot pigweed, velvetleaf, common ragweed (suppression only) | 0.085 L/acre | 45 d |
| Soybean | Eastern black nightshade, redroot pigweed, velvetleaf, common ragweed (suppression only), lamb's quarters, wild mustard | 0.085–0.121 L/acre | 45 d |
| Soybean | Eastern black nightshade, redroot pigweed, velvetleaf, common ragweed (suppression only), lamb's-quarters, wild mustard | 0.085–0.121 L/acre | 45 d |
| Soybean | Lamb's quarters, wild mustard, redroot pigweed, common ragweed (suppression), velvetleaf | 0.121 L/acre | — |
| Soybean | Lamb's quarters, wild mustard, redroot pigweed, common ragweed (suppression), velvetleaf | 0.121 L/acre | 45 d |
| Soybean | Redroot pigweed, velvetleaf, common ragweed (suppression only), lamb's-quarters, wild mustard | 0.121 L/acre | 45 d |
| Soybean | Redroot pigweed, velvetleaf, common ragweed (suppression only), lambs-quarters, wild mustard | 0.121 L/acre | 45 d |
| Turf | Eastern black nightshade, velvetleaf, redroot pigweed, common ragweed (suppression) | 0.085 L/acre | — |
| Turf | Lamb's-quarters, redroot pigweed, velvetleaf, wild mustard, common ragweed (suppression) | 0.121 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.