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Registered Crop Input Products / Preburn 540 K HC

Preburn 540 K HC

PCP #35621 · Vincere Agri Solutions Ltd. · Herbicide

Group 9

Group 9 glyphosate herbicide for control of annual and perennial weeds in Roundup Ready crops (canola, soybeans, corn, sugar beets), preharvest applications in cereals and other crops, and non-crop areas. Also for use in tree, vine, berry crops, forages, pastures, and industrial/recreational sites.

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Registered uses (56)

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

CropTargetRatePHI
All CropsAnnual and perennial weeds0.202–0.943 L/acre–
All CropsQuackgrass, Canada thistle, field bindweed, common milkweed, toadflax, alfalfa, foxtail barley, other perennials0.676–3.24 L/acre–
All Field CropsEmerged weeds––
AppleAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
ApricotAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
AsparagusAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
BarleyAnnual and perennial weeds0.202–0.943 L/acre–
BarleyQuackgrass, Canada thistle, common milkweed, toadflax, perennial sow thistle0.676 L/acre7 d
BeanQuackgrass, Canada thistle, common milkweed, toadflax, perennial sow thistle0.676 L/acre7 d
BlueberryAnnual and perennial weeds0.202–0.943 L/acre–
BlueberryAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
CanolaAnnual grasses, annual broadleaves, perennials (suppression)0.223–0.514 L/acre–
CanolaQuackgrass, Canada thistle, common milkweed, toadflax, perennial sow thistle0.676 L/acre7 d
CherryAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
ChestnutAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
ChickpeaQuackgrass, Canada thistle, common milkweed, toadflax, perennial sow thistle0.676 L/acre7 d
CornAnnual and perennial weeds0.676–1.35 L/acre–
CornAnnual and perennial weeds0.202–0.943 L/acre–
CranberryAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
Fava BeanQuackgrass, Canada thistle, common milkweed, toadflax, perennial sow thistle0.676 L/acre7 d
FilbertAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
FlaxQuackgrass, Canada thistle, common milkweed, toadflax, perennial sow thistle0.676 L/acre7 d
Forage and PastureAnnual and perennial weeds0.202–0.943 L/acre–
Forage and PastureEmerged weeds––
Forage and PastureQuackgrass, Canada thistle––
Forage and PastureQuackgrass, Canada thistle, common milkweed, toadflax, perennial sow thistle1.35 L/acre7 d
GinsengAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
GrapesAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
HazelnutAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
Japanese HeartnutAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
LentilQuackgrass, Canada thistle, common milkweed, toadflax, perennial sow thistle0.676 L/acre7 d
LupinQuackgrass, Canada thistle, common milkweed, toadflax, perennial sow thistle0.676 L/acre7 d
Non-CroplandWoody vegetation––
Non-CroplandWoody vegetation (Alder, Birch, Cedar, Cherry, Douglas Fir, Hemlock, Maple, Pine, Poplar, Willow)––
Non-croplandAnnual grasses, broadleaves, perennial weeds (quackgrass, Canada thistle, purple loosestrife, other perennials), woody brush and trees0.607–3.24 L/acre–
Nursery StockAnnual and perennial weeds––
OatsAnnual and perennial weeds0.202–0.943 L/acre–
OatsQuackgrass, Canada thistle, common milkweed, toadflax, perennial sow thistle0.676 L/acre7 d
PastureExisting vegetation––
PeaQuackgrass, Canada thistle, common milkweed, toadflax, perennial sow thistle0.676 L/acre7 d
PeachAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
PearAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
PlumAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
PoplarAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
SoybeanAnnual and perennial weeds0.202–0.943 L/acre–
SoybeanQuackgrass, Canada thistle, common milkweed, toadflax, perennial sow thistle0.676 L/acre7 d
SoybeanVelvetleaf, common ragweed, common lamb's quarters, redroot pigweed, smooth pigweed, cocklebur, green smartweed, lady's-thumb, Pennsylvania smartweed, Eastern black nightshade, wild mustard, wild buckwheat, foxtail species, barnyard grass, crabgrass, quackgrass, fall panicum, wild proso millet, wild oats, volunteer barley, volunteer wheat, stinkweed, Russian thistle, non-Roundup Ready canola, hempnettle, kochia, chickweed, corn spurry, wild tomato, cleavers, shepherd's purse, cow cockle, night flowering catchfly, stork's-bill, flixweed, narrow leaved hawk's-beard, common milkweed, yellow nutsedge, field bindweed, perennial sow thistle, Canada thistle, wire-stemmed muhly, bur cucumber, volunteer adzuki beans, biennial wormwood0.676–1.35 L/acre80 d
StrawberryAnnual and perennial weeds0.202–0.943 L/acre–
StrawberryAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
Sugar BeetAnnual and perennial weeds0.336–0.676 L/acre30 d
Sugar BeetAnnual and perennial weeds, woody brush0.336–3.24 L/acre30 d
SummerfallowWild oats, green foxtail, volunteer barley, volunteer wheat, non-Roundup Ready volunteer canola, wild mustard, lady's-thumb, stinkweed, flixweed, kochia, lamb's-quarters, redroot pigweed, hempnettle, Russian thistle, volunteer flax, common ragweed, Canada fleabane, wild buckwheat, narrow-leaved hawk's-beard, crab grass, annual blue grass, prickly lettuce, shepherd's purse, annual sowthistle, narrow-leaved vetch0.202–0.943 L/acre–
Turf GrassAnnual and perennial weeds0.676–3.24 L/acre–
WalnutAnnual and perennial weeds, woody brush0.336–3.24 L/acre7 d
WheatAnnual and perennial weeds0.202–0.943 L/acre–
WheatQuackgrass, Canada thistle, common milkweed, toadflax, perennial sow thistle0.676 L/acre7 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
glyphosate 540 g/L
Mode of action: EPSP synthase inhibitor (HRAC 9, Glycine)
CAS 1071-83-6
Formulation
Water Soluble Solution
Resistance group
Group 9
First registered
2025-09-03
Registration expiry
2028-12-31