Paradigm InputsParadigm Inputs
How it WorksCertified Premium Generics
Become a Broker

Site navigation

Paradigm Inputs
How it WorksCertified Premium GenericsAbout UsResourcesFind a BrokerContact
Become a Broker
Paradigm Inputs

Learn more

  • About Us
  • Certified Premium Generics
  • Registered Crop Input Products

How it works

  • How it Works
  • Become a Broker

Find a Broker

  • Find a Broker
  • Contact

Updates

Get the latest news on Certified Premium Generics and broker opportunities.

We respect your inbox and never share your information without permission.

© 2026 Direct Yield Market. All rights reserved.

Privacy policyTerms of serviceCookie settingsAccessibility
FacebookInstagramLinkedInX (Twitter)
Become a BrokerFind a Broker
Back to Registered Crop Input Products
Registered Crop Input Products / PREFAR® 4.8-E

PREFAR® 4.8-E

PCP #14113 · Gowan Company · Herbicide

Group 8

Group 8 selective herbicide for pre-plant incorporation control of annual grasses in cucumbers. Controls weeds as their seeds germinate by interfering with normal germination and seedling development. Bensulide is a cholinesterase inhibitor.

Open full PDF →

Registered uses (1)

Crop × pest × application rate combinations from the official label. Rates converted to per-acre. Always confirm against the official label PDF before applying.

CropTargetRatePHI
CucumberAnnual Grasses (Barnyard Grass, Crabgrass, Foxtail)––

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.

Quick facts

Active ingredients
bensulide 480 g/L
CAS 741-58-2
Formulation
Emulsifiable Liquid
Resistance group
Group 8
First registered
1977-07-01
Registration expiry
2029-12-31