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Back to Registered Crop Input Products
Registered Crop Input Products / SHIELDEX® 400SC HERBICIDE

SHIELDEX® 400SC HERBICIDE

PCP #32943 · Isk Biosciences Corporation · Herbicide

Group 27

Group 27 HPPD inhibitor herbicide for postemergence control of broadleaf and grassy weeds in field corn, sweet corn, seed corn and popcorn. Controls or suppresses key weeds including velvetleaf, waterhemp, pigweed, foxtails, and crabgrass.

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Registered uses (25)

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

CropTargetRatePHI
Field CornAmaranth, Palmer30.4–40.5 mL/acre45 d
Field CornAmaranth, Powell30.4–40.5 mL/acre45 d
Field CornBarnyardgrass30.4–40.5 mL/acre45 d
Field CornCocklebur, common30.4–40.5 mL/acre45 d
Field CornCrabgrass, large30.4–40.5 mL/acre45 d
Field CornFleabane, Canada30.4–40.5 mL/acre45 d
Field CornFoxtail, giant30.4–40.5 mL/acre45 d
Field CornFoxtail, green30.4–40.5 mL/acre45 d
Field CornFoxtail, yellow30.4–40.5 mL/acre45 d
Field CornLady's thumb30.4–40.5 mL/acre45 d
Field CornLamb's quarters, common30.4–40.5 mL/acre45 d
Field CornMustard, wild30.4–40.5 mL/acre45 d
Field CornPigweed, redroot30.4–40.5 mL/acre45 d
Field CornPigweed, smooth30.4–40.5 mL/acre45 d
Field CornPurslane, Common30.4–40.5 mL/acre45 d
Field CornRagweed, common30.4–40.5 mL/acre45 d
Field CornRagweed, giant30.4–40.5 mL/acre45 d
Field CornShepherd's Purse30.4–40.5 mL/acre45 d
Field CornSmartweed, Pennsylvania30.4–40.5 mL/acre45 d
Field CornVelvetleaf30.4–40.5 mL/acre45 d
Field CornWaterhemp, common30.4–40.5 mL/acre45 d
Field CornWaterhemp, tall30.4–40.5 mL/acre45 d
PopcornBroadleaf and grassy weeds30.4–40.5 mL/acre45 d
Seed CornBroadleaf and grassy weeds30.4–40.5 mL/acre45 d
Sweet CornBroadleaf and grassy weeds30.4–40.5 mL/acre35 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
tolpyralate 400 g/L
HPPD inhibitor herbicide
CAS 1101132-67-5
Formulation
suspension concentrate
Resistance group
Group 27
First registered
2018-01-04
Registration expiry
2029-12-31