PCP #30129 · FMC of Canada Limited · Herbicide
Group 2 herbicide containing thifensulfuron-methyl and tribenuron-methyl for selective post-emergent control or suppression of broadleaf weeds in spring wheat, durum wheat and spring barley. Formulated as 50% soluble granule in water-soluble bags. Stops weed growth rapidly with visible symptoms appearing 1-3 weeks after application.
Crop × pest × application rate combinations from the official label. Rates converted to per-acre. PHI is the pre-harvest interval; REI is the restricted-entry interval. Always confirm against the official label PDF before applying.
| Crop | Target | Rate | PHI | REI |
|---|---|---|---|---|
| Barley | Broadleaf weeds controlled or suppressed by RETAIN A HERBICIDE alone, as well as cleavers (excluding Group 2 resistant cleavers) | 12.1 g/acre | 60 d | 12 d |
| Barley | Canada thistle (suppression), Cleavers (suppression), Round leaved mallow (suppression), Scentless chamomile (suppression), Sow thistle (suppression), Stork's bill (suppression), Yellow Toadflax (suppression) | 12.1 g/acre | – | 12 d |
| Barley |
| Stinkweed, Annual smartweed (green smartweed, lady's thumb), Ball mustard, Chickweed, Corn spurry, Cow cockle, Flixweed, Groundsel (common), Hemp-nettle, Kochia, Lamb's-quarters, Narrow-leaved hawk's beard, Redroot pigweed, Russian thistle, Shepherd's purse, Tartary buckwheat, Volunteer rapeseed, Volunteer sunflower, Wild buckwheat, Wild mustard |
| 12.1 g/acre |
| – |
| 12 d |
| Wheat | Broadleaf weeds controlled or suppressed by RETAIN A HERBICIDE alone, as well as cleavers (excluding Group 2 resistant cleavers) | 12.1 g/acre | 60 d | 12 d |
| Wheat | Canada thistle (suppression), Cleavers (suppression), Round leaved mallow (suppression), Scentless chamomile (suppression), Sow thistle (suppression), Stork's bill (suppression), Yellow Toadflax (suppression) | 12.1 g/acre | – | 12 d |
| Wheat | Stinkweed, Annual smartweed (green smartweed, lady's thumb), Ball mustard, Chickweed, Corn spurry, Cow cockle, Flixweed, Groundsel (common), Hemp-nettle, Kochia, Lamb's-quarters, Narrow-leaved hawk's beard, Redroot pigweed, Russian thistle, Shepherd's purse, Tartary buckwheat, Volunteer rapeseed, Volunteer sunflower, Wild buckwheat, Wild mustard | 12.1 g/acre | – | 12 d |
Adjuvant requirements, compatibility notes, and mixing restrictions from the official label. Always confirm against the official label PDF before mixing.
| Guidance | Adjuvant | Rate |
|---|---|---|
| Required | AGRAL® 90 NON-IONIC WETTING AND SPREADING AGENT Adjuvants Required: Agral 90, Ag-Surf, Citowett Plus, Liberate Adjuvant, Ag-Surf II, HiActivate Non-ionic Liquid Spreader/Activator, Super Spreader Adjuvant or Enhance | 2 L/1000 litres of spray solution |
| Required | CITOWETT PLUS Adjuvants Required: Agral 90, Ag-Surf, Citowett Plus, Liberate Adjuvant, Ag-Surf II, HiActivate Non-ionic Liquid Spreader/Activator, Super Spreader Adjuvant or Enhance | 2 L/1000 litres of spray solution |
| Required | ENHANCE Adjuvants Required: Agral 90, Ag-Surf, Citowett Plus, Liberate Adjuvant, Ag-Surf II, HiActivate Non-ionic Liquid Spreader/Activator, Super Spreader Adjuvant or Enhance | 2 L/1000 litres of spray solution |
| Required | Falcon Surfactant Commercial Apply with an adjuvant registered for use with RETAIN A HERBICIDE. Use only water as a carrier | – |
| Required | HiActivate NON-IONIC LIQUID SPREADER/ACTIVATOR Adjuvants Required: Agral 90, Ag-Surf, Citowett Plus, Liberate Adjuvant, Ag-Surf II, HiActivate Non-ionic Liquid Spreader/Activator, Super Spreader Adjuvant or Enhance | 2 L/1000 litres of spray solution |
| Required | IPCO Ag-Surf ORIGINAL Adjuvants Required: Agral 90, Ag-Surf, Citowett Plus, Liberate Adjuvant, Ag-Surf II, HiActivate Non-ionic Liquid Spreader/Activator, Super Spreader Adjuvant or Enhance | 2 L/1000 litres of spray solution |
| Required | SUPER SPREADER ADJUVANT Adjuvants Required: Agral 90, Ag-Surf, Citowett Plus, Liberate Adjuvant, Ag-Surf II, HiActivate Non-ionic Liquid Spreader/Activator, Super Spreader Adjuvant or Enhance | 2 L/1000 litres of spray solution |
| Required | WEEDAWAY AG-SURF II Adjuvants Required: Agral 90, Ag-Surf, Citowett Plus, Liberate Adjuvant, Ag-Surf II, HiActivate Non-ionic Liquid Spreader/Activator, Super Spreader Adjuvant or Enhance | 2 L/1000 litres of spray solution |
| Required | Liberate Adjuvant Adjuvants Required: Agral 90, Ag-Surf, Citowett Plus, Liberate Adjuvant, Ag-Surf II, HiActivate Non-ionic Liquid Spreader/Activator, Super Spreader Adjuvant or Enhance | 2 L/1000 litres of spray solution |
| Required | adjuvant registered for use with RETAIN A HERBICIDE Apply with an adjuvant registered for use with RETAIN A HERBICIDE. | – |
| Recommended | AGRAL® 90 NON-IONIC WETTING AND SPREADING AGENT Recommended adjuvants are: AGRAL90*, AG-SURF*, CITOWETT* PLUS, LIBERATE* ADJUVANT, AG-SURF* II, HIACTIVATE* NON-IONIC LIQUID SPREADER/ACTIVATOR, SUPER SPREADER ADJUVANT AND ENHANCE*. | – |
| Recommended | CITOWETT PLUS Recommended adjuvants are: AGRAL90*, AG-SURF*, CITOWETT* PLUS, LIBERATE* ADJUVANT, AG-SURF* II, HIACTIVATE* NON-IONIC LIQUID SPREADER/ACTIVATOR, SUPER SPREADER ADJUVANT AND ENHANCE*. | – |
| Recommended | HiActivate NON-IONIC LIQUID SPREADER/ACTIVATOR Recommended adjuvants are: AGRAL90*, AG-SURF*, CITOWETT* PLUS, LIBERATE* ADJUVANT, AG-SURF* II, HIACTIVATE* NON-IONIC LIQUID SPREADER/ACTIVATOR, SUPER SPREADER ADJUVANT AND ENHANCE*. | – |
| Recommended | NUFARM ENHANCE™ Recommended adjuvants are: AGRAL90*, AG-SURF*, CITOWETT* PLUS, LIBERATE* ADJUVANT, AG-SURF* II, HIACTIVATE* NON-IONIC LIQUID SPREADER/ACTIVATOR, SUPER SPREADER ADJUVANT AND ENHANCE*. | – |
| Recommended | SUPER SPREADER ADJUVANT Recommended adjuvants are: AGRAL90*, AG-SURF*, CITOWETT* PLUS, LIBERATE* ADJUVANT, AG-SURF* II, HIACTIVATE* NON-IONIC LIQUID SPREADER/ACTIVATOR, SUPER SPREADER ADJUVANT AND ENHANCE*. | – |
| Recommended | WEEDAWAY AG-SURF II Recommended adjuvants are: AGRAL90*, AG-SURF*, CITOWETT* PLUS, LIBERATE* ADJUVANT, AG-SURF* II, HIACTIVATE* NON-IONIC LIQUID SPREADER/ACTIVATOR, SUPER SPREADER ADJUVANT AND ENHANCE*. | – |
| Recommended | WeedAway® Ag-Surf Recommended adjuvants are: AGRAL90*, AG-SURF*, CITOWETT* PLUS, LIBERATE* ADJUVANT, AG-SURF* II, HIACTIVATE* NON-IONIC LIQUID SPREADER/ACTIVATOR, SUPER SPREADER ADJUVANT AND ENHANCE*. | – |
| Recommended | adjuvant Recommended adjuvants are: AGRAL90*, AG-SURF*, CITOWETT* PLUS, LIBERATE* ADJUVANT, AG-SURF* II, HIACTIVATE* NON-IONIC LIQUID SPREADER/ACTIVATOR, SUPER SPREADER ADJUVANT AND ENHANCE*. | – |
| Recommended | adjuvant Adjuvants: Agral* 90, Ag-Surf*, Citowett* Plus, Liberate* Adjuvant, Ag-Surf* II, HiActivate* Non-ionic Liquid Spreader/Activator, Super Spreader Adjuvant or Enhance*. 2L/1000 litres of spray solution | 2L/1000 litres of spray solution |
| Do not mix | non-water carriers Use only water as a carrier | – |
| Do not mix | Carriers other than water (including oil-based carriers) Use only water as a carrier. Other carriers may accelerate breakdown of RETAIN A HERBICIDE and reduce its effectiveness. | – |
About this content. This page presents the official PRD label as published by Health Canada's Pesticides Regulatory Directorate (formerly the 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.
