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DUPLEX A™

PCP #35153 · Loveland Products Canada Inc. · Fungicide

Group 3

Group 3 foliar fungicide containing prothioconazole for control and suppression of various fungal diseases in cereals, oilseeds, pulses, soybeans, corn, peanuts, berries, sunflower and safflower. Provides control of rusts, blights, leaf spots, and Sclerotinia diseases.

Registered uses (76)

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

CropTargetRatePHI
Aronia berrySeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
BearberryFruit rot: Coleophoma empetri, Glomerella cingulata, Phyllosticta vaccinii, Physalospora vaccinii, Allantophomopsis lycopodina, Allantophomopsis cytisporea, Fusicoccum putrefaciens, Penicillium spp., Phomopsis vaccinii, Colletotrichum acutatum, Colletotrichum coccodes; Septoria leaf spot (Septoria spp.)0.283 L/acre45 d
BilberryFruit rot: Coleophoma empetri, Glomerella cingulata, Phyllosticta vaccinii, Physalospora vaccinii, Allantophomopsis lycopodina, Allantophomopsis cytisporea, Fusicoccum putrefaciens, Penicillium spp., Phomopsis vaccinii, Colletotrichum acutatum, Colletotrichum coccodes; Septoria leaf spot (Septoria spp.)0.283 L/acre45 d
BlueberryLeaf rust (Thekopsora minima) and Valdensinia leaf spot (Valdensinia heterodoxa)0.308 L/acre7 d
BlueberryLeaf rust (Thekopsora minima) and Valdensinia leaf spot (Valdensinia heterodoxa) - suppression0.308 L/acre7 d
BlueberryMonilinia blight (Monilinia vaccinii-corymbosi)0.243–0.324 L/acre7 d
BlueberryMonilinia blight (Monilinia vaccinii-corymbosi)0.243–0.324 L/acre7 d
BlueberrySeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
BlueberrySeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
BlueberrySeptoria leaf spot (Septoria spp.) - suppression0.243 L/acre7 d
BorageSclerotinia stem rot (Sclerotinia sclerotiorum)0.243–0.283 L/acre36 d
BuckwheatRust (Puccinia spp.)0.243–0.324 L/acre30 d
Buffalo currantSeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
CanolaSclerotinia stem rot (Sclerotinia sclerotiorum)0.243–0.283 L/acre36 d
CanolaSclerotinia stem rot (Sclerotinia sclerotiorum)0.243–0.283 L/acre36 d
CerealsFusarium Head Blight (Fusarium spp.), or Scab0.243–0.324 L/acre30 d
CerealsNet Blotch (Pyrenophora teres); Scald (Rhynchosporium secalis); Spot Blotch (Cochliobolus sativus)0.162–0.243 L/acre30 d
CerealsNet Blotch (Pyrenophora teres); Scald (Rhynchosporium secalis); Spot Blotch (Cochliobolus sativus)0.162–0.243 L/acre
ChickpeaAscochyta blight (Ascochyta rabiei)0.243–0.324 L/acre7 d
ChickpeaAscochyta blight (Ascochyta rabiei)0.243–0.324 L/acre7 d
CloudberryFruit rot: Coleophoma empetri, Glomerella cingulata, Phyllosticta vaccinii, Physalospora vaccinii, Allantophomopsis lycopodina, Allantophomopsis cytisporea, Fusicoccum putrefaciens, Penicillium spp., Phomopsis vaccinii, Colletotrichum acutatum, Colletotrichum coccodes; Septoria leaf spot (Septoria spp.)0.283 L/acre45 d
CornGrey Leaf Spot (Cercospora zeae-maydis); Fusarium and Gibberella ear rots (Fusarium spp. and Gibberella spp.) - suppression; stalk rot pathogens Fusarium spp., Gibberella spp. and Colletotrichum spp. - suppression0.324 L/acre14 d
CornGrey Leaf Spot (Cercospora zeae-maydis); Fusarium and Gibberella ear rots (Fusarium spp. and Gibberella spp.); stalk rot pathogens Fusarium spp., Gibberella spp. and Colletotrichum spp.0.324 L/acre14 d
CornRusts (Puccinia sorghi, Puccinia polysora), Eyespot (Kabatiella zeae or Aureobasidium zeae), and Northern Blight (Setosphaeria turcica)0.243 L/acre14 d
CornRusts (Puccinia sorghi, Puccinia polysora), Eyespot (Kabatiella zeae or Aureobasidium zeae), and Northern Blight (Setosphaeria turcica)0.243 L/acre
CrambeSclerotinia stem rot (Sclerotinia sclerotiorum)0.243–0.283 L/acre36 d
CranberryFruit rot: Coleophoma empetri, Glomerella cingulata, Phyllosticta vaccinii, Physalospora vaccinii, Allantophomopsis lycopodina, Allantophomopsis cytisporea, Fusicoccum putrefaciens, Penicillium spp., Phomopsis vaccinii, Colletotrichum acutatum, Colletotrichum coccodes; Septoria leaf spot (Septoria spp.)0.283 L/acre45 d
CranberryFruit rot: Coleophoma empetri, Glomerella cingulata, Phyllosticta vaccinii, Physalospora vaccinii, Allantophomopsis lycopodina, Allantophomopsis cytisporea, Fusicoccum putrefaciens, Penicillium spp., Phomopsis vaccinii, Colletotrichum acutatum, Colletotrichum coccodes; Septoria leaf spot (Septoria spp.) - suppression0.283 L/acre45 d
CranberrySeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
CurrantSeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
CurrantSeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
ElderberrySeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
European barberrySeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
FlaxSclerotinia stem rot (Sclerotinia sclerotiorum)0.243–0.283 L/acre36 d
GooseberrySeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
HoneysuckleSeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
HuckleberrySeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
JostaberrySeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
JuneberrySeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
LentilsAscochyta blight (Ascochyta spp.); White mold (Sclerotinia sclerotiorum)0.243–0.324 L/acre7 d
LentilsAscochyta blight (Ascochyta spp.); White mold (Sclerotinia sclerotiorum)0.243–0.324 L/acre7 d
LingonberrySeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
MustardSclerotinia stem rot (Sclerotinia sclerotiorum)0.243–0.283 L/acre36 d
MustardSclerotinia stem rot (Sclerotinia sclerotiorum)0.243–0.283 L/acre36 d
OatsCrown Rust (Puccinia coronata)0.243 L/acre30 d
Oriental mustardSclerotinia stem rot (Sclerotinia sclerotiorum)0.243–0.283 L/acre36 d
Oriental mustardSclerotinia stem rot (Sclerotinia sclerotiorum)0.243–0.283 L/acre36 d
PartridgeberryFruit rot: Coleophoma empetri, Glomerella cingulata, Phyllosticta vaccinii, Physalospora vaccinii, Allantophomopsis lycopodina, Allantophomopsis cytisporea, Fusicoccum putrefaciens, Penicillium spp., Phomopsis vaccinii, Colletotrichum acutatum, Colletotrichum coccodes; Septoria leaf spot (Septoria spp.)0.283 L/acre45 d
PeaAscochyta blight (Ascochyta spp.) - suppression only; White mold (Sclerotinia sclerotiorum)0.243–0.324 L/acre7 d
PeaAscochyta blight (Ascochyta spp.); White mold (Sclerotinia sclerotiorum)0.243–0.324 L/acre7 d
PeanutEarly Leaf Spot (Cercospora arachidicola); Leaf Rust (Puccinia arachidis)0.283–0.324 L/acre14 d
PeanutEarly Leaf Spot (Cercospora arachidicola); Leaf Rust (Puccinia arachidis) - suppression0.283–0.324 L/acre14 d
PeanutRhizoctonia pod rot (Rhizoctonia solani)0.324 L/acre14 d
PeanutRhizoctonia pod rot (Rhizoctonia solani) - suppression0.324 L/acre14 d
Pearl milletFusarium Head Blight (Fusarium spp.), or Scab; Rust (Puccinia spp.)0.243–0.324 L/acre30 d
Proso milletFusarium Head Blight (Fusarium spp.), or Scab; Rust (Puccinia spp.)0.243–0.324 L/acre30 d
RapeseedSclerotinia stem rot (Sclerotinia sclerotiorum)0.243–0.283 L/acre36 d
RapeseedSclerotinia stem rot (Sclerotinia sclerotiorum)0.243–0.283 L/acre36 d
RyeFusarium Head Blight (Fusarium spp.), or Scab; Rust (Puccinia spp.)0.243–0.324 L/acre30 d
SafflowerSafflower rust (Puccinia carthami)0.324 L/acre45 d
SafflowerSclerotinia head rot (Sclerotinia sclerotiorum) - suppression0.324 L/acre45 d
SalalSeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
Sea buckthornSeptoria leaf spot (Septoria spp.)0.243 L/acre7 d
Seed CornRusts, Eyespot, Northern Blight, Grey Leaf Spot, Fusarium and Gibberella ear rots, stalk rot pathogens0.243–0.324 L/acre14 d
SoybeanAsian soybean rust (Phakopsora pachyrhizi); Frogeye leaf spot (Cercospora sojina)0.162 L/acre20 d
Sugar BeetCercospora Leaf Spot (Cercospora beticola)0.243–0.324 L/acre7 d
Sugar BeetRhizoctonia Crown Rot (Rhizoctonia solani)0.324 L/acre7 d
SunflowerSclerotinia head rot (Sclerotinia sclerotiorum)0.324 L/acre45 d
SunflowerSclerotinia head rot (Sclerotinia sclerotiorum) - suppression0.324 L/acre45 d
SunflowerSunflower rust (Puccinia helianthi)0.324 L/acre45 d
Sweet CornRusts, Eyespot, Northern Blight, Grey Leaf Spot, Fusarium and Gibberella ear rots, stalk rot pathogens0.243–0.324 L/acre20 d
TeosinteFusarium Head Blight (Fusarium spp.), or Scab; Rust (Puccinia spp.)0.243–0.324 L/acre30 d
TriticaleFusarium Head Blight (Fusarium spp.), or Scab; Rust (Puccinia spp.)0.243–0.324 L/acre30 d
WheatFusarium Head Blight (Fusarium spp.), or Scab; Glume blotch (Stagonospora nodorum)0.243–0.324 L/acre30 d
WheatSpeckled Leaf Blotch (Septoria tritici); Tan spot (Pyrenophora tritici-repentis); Leaf Rust (Puccinia recondata)0.243 L/acre30 d
WheatSpeckled Leaf Blotch (Septoria tritici); Tan spot (Pyrenophora tritici-repentis); Leaf Rust (Puccinia recondata)0.243 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.