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VESTRA
PCP #34359 · Keystone Specialty Chemicals LLC · Adjuvant
A blend of surfactant with petroleum hydrocarbons for application with various herbicides. Contains 50% surfactant blend and 50% petroleum hydrocarbons. Designed as an adjuvant for tank mixing with herbicides for improved efficacy on labelled crops.
Registered uses (21)
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 |
|---|---|---|---|
| Alfalfa | Labelled broadleaf and grass weeds | — | — |
| Bird's foot trefoil | Labelled broadleaf and grass weeds | — | — |
| Canola | Labelled broadleaf and grass weeds | — | — |
| Canola | Labelled broadleaf and grass weeds | — | — |
| Canola | Labelled weeds plus additional weeds as listed | 0.202–0.809 L/acre | — |
| Canola | Labelled weeds plus additional weeds as listed | 0.202–0.809 L/acre | — |
| Canola | Labelled weeds plus additional weeds as listed | 0.202–0.809 L/acre | — |
| Canola | Labelled weeds plus additional weeds as listed | 0.405 L/acre | — |
| Corn | Labelled broadleaf and grass weeds | — | — |
| Corn | Labelled broadleaf and grass weeds | — | — |
| Fenugreek | Labelled broadleaf and grass weeds | — | — |
| Flax | Labelled weeds plus additional weeds as listed | 0.202–0.809 L/acre | — |
| Flax | Labelled weeds plus additional weeds as listed | 0.202–0.809 L/acre | — |
| Flax | Labelled weeds plus additional weeds as listed | 0.202–0.809 L/acre | — |
| Flax | Labelled weeds plus additional weeds as listed | 0.202–0.809 L/acre | — |
| Flax | Labelled weeds plus additional weeds as listed | 0.202–0.809 L/acre | — |
| Lentil | Labelled broadleaf and grass weeds | — | — |
| Pea | Labelled broadleaf and grass weeds | — | — |
| Pea | Labelled weeds plus additional weeds as listed | 0.405 L/acre | — |
| Soybean | Labelled broadleaf and grass weeds | — | — |
| Various crops | Labelled grass weeds | 0.101–0.809 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.