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 / Korrex™ A Herbicide

Korrex™ A Herbicide

PCP #31405 · Corteva Agriscience Canada Company · Herbicide

Group 2

Group 2 ALS-inhibiting herbicide for pre-seed control or suppression of annual broadleaf weeds in spring wheat (including durum), spring barley, winter wheat, oats, and summerfallow. Available as wettable granules for field sprayer application. For sale and use in Prairie Provinces and Interior of British Columbia (including Peace River Region) only.

Open full PDF →

Registered uses (9)

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

CropTargetRatePHI
CerealsAnnual broadleaf weeds including buckwheat wild, canola volunteer, chickweed common, cleavers, cow cockle, flax volunteer, fleabane Canada, flixweed, narrow-leaved hawk's beard, hempnettle, kochia, lady's-thumb, lamb's-quarters, mustard wild, pigweed redroot, ragweed common, scentless chamomile (suppression), shepherd's purse, smartweed, sowthistle annual (suppression), stinkweed, thistle Russian; Annual grasses including barley volunteer, brome, foxtail downy, foxtail giant, oats wild, Persian darnel, wheat volunteer; Perennial weeds including dandelion, sow-thistle perennial (suppression)5.67 g/acre60 d
CerealsAnnual broadleaf weeds including cleavers, wild buckwheat, chickweed5.67 g/acre60 d
OatsAnnual broadleaf weeds including buckwheat wild, canola volunteer, chickweed common, cleavers, cow cockle, flax volunteer, fleabane Canada, flixweed, narrow-leaved hawk's beard, hempnettle, kochia, lady's-thumb, lamb's-quarters, mustard wild, pigweed redroot, ragweed common, scentless chamomile (suppression), shepherd's purse, smartweed, sowthistle annual (suppression), stinkweed, thistle Russian; Annual grasses including barley volunteer, brome, foxtail downy, foxtail giant, oats wild, Persian darnel, wheat volunteer; Perennial weeds including dandelion, sow-thistle perennial (suppression)5.67 g/acre60 d
OatsAnnual broadleaf weeds including cleavers, wild buckwheat, chickweed5.67 g/acre60 d
SummerfallowAnnual broadleaf weeds5.67 g/acre–
WheatAnnual broadleaf weeds including buckwheat wild, canola volunteer, chickweed common, cleavers, cow cockle, flax volunteer, fleabane Canada, flixweed, narrow-leaved hawk's beard, hempnettle, kochia, lady's-thumb, lamb's-quarters, mustard wild, pigweed redroot, ragweed common, scentless chamomile (suppression), shepherd's purse, smartweed, sowthistle annual (suppression), stinkweed, thistle Russian; Annual grasses including barley volunteer, brome, foxtail downy, foxtail giant, oats wild, Persian darnel, wheat volunteer; Perennial weeds including dandelion, sow-thistle perennial (suppression)5.67 g/acre60 d
WheatAnnual broadleaf weeds including buckwheat wild, canola volunteer, chickweed common, cleavers, cow cockle, flax volunteer, fleabane Canada, flixweed, narrow-leaved hawk's beard, hempnettle, kochia, lady's-thumb, lamb's-quarters, mustard wild, pigweed redroot, ragweed common, scentless chamomile (suppression), shepherd's purse, smartweed, sowthistle annual (suppression), stinkweed, thistle Russian; Annual grasses including barley volunteer, brome, foxtail downy, foxtail giant, oats wild, Persian darnel, wheat volunteer; Perennial weeds including dandelion, sow-thistle perennial (suppression)8.09 g/acre60 d
WheatAnnual broadleaf weeds including cleavers, wild buckwheat, chickweed5.67 g/acre60 d
WheatAnnual broadleaf weeds including cleavers, wild buckwheat, chickweed5.67 g/acre60 d

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
florasulam 25 %
Group 2
Mode of action: ALS / AHAS inhibitor (HRAC 2, Triazolopyrimidine)
CAS 145701-23-1
Formulation
granular
Resistance group
Group 2
First registered
2014-05-29
Registration expiry
2027-12-31