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Registered Crop Input Products / Serenade® Opti™

Serenade® Opti™

PCP #31666 · Bayer Cropscience Inc. · Fungicide

Group BM02

Group BM02 biofungicide containing the QST 713 strain of Bacillus subtilis, formulated as a wettable powder for control and suppression of fungal and bacterial diseases on a wide variety of vegetable, fruit, oilseed, and herb crops.

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Registered uses (45)

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

CropTargetRatePHI
ApplePowdery Mildew (Podosphaera leucotricha)0.688–1.34 kg/acre–
AsparagusBotrytis blight (Botrytis cinerea)0.688–1.34 kg/acre–
Berry and Small FruitBotrytis grey mould (Botrytis cinerea)0.688–1.34 kg/acre–
BlueberryMummy berry (Monilinia vaccinii-corymbosi)0.809–1.34 kg/acre–
Brassica Leafy VegetablesDowny mildew (Peronospora parasitica)0.445–0.688 kg/acre–
Brassica Leafy VegetablesPin rot (Alternaria / Xanthomonas Complex)0.445–0.688 kg/acre–
Brassica Leafy VegetablesSclerotinia rot (Sclerotinia sclerotium)0.688–1.34 kg/acre–
Bulb VegetablesBotrytis leaf blight (Botrytis squamosa)0.688–1.01 kg/acre–
Bulb VegetablesBotrytis neck rot (Botrytis allii)0.688–1.01 kg/acre–
Bulb VegetablesDowny mildew (Peronospora destructor)0.688–1.34 kg/acre–
CeleryPink Rot (Sclerotinia sclerotiorum)0.688–1.34 kg/acre–
Cucurbit VegetablesDowny mildew (Pseudoperonospora cubensis)0.243–0.688 kg/acre–
Cucurbit VegetablesPowdery mildew (Erysiphe cichoracearum, Sphaerotheca fuliginea)0.688–1.34 kg/acre–
Fruiting VegetablesBotrytis grey mould (Botrytis cinerea)0.688–1.34 kg/acre–
Fruiting VegetablesEarly blight (Alternaria solani)1.01 kg/acre–
GrapeGrey mold (Botrytis cinerea)0.688–1.34 kg/acre–
GrapePowdery mildew (Erysiphe necator syn. Uncinula necator)0.688–1.34 kg/acre–
GrapeSour rot (a complex of various pathogens)0.688–1.34 kg/acre–
Herbs and SpicesBotrytis gray mould (Botrytis cinerea)0.688–1.34 kg/acre–
Herbs and SpicesWhite mould (Sclerotinia sclerotiorum)0.688–1.34 kg/acre–
Leafy VegetablesGrey mould (Botrytis cinerea) - suppression0.243–0.688 kg/acre–
Leafy VegetablesPowdery mildew (Erysiphe cichoracearum)0.688–1.34 kg/acre–
Leafy VegetablesSclerotinia rot (Sclerotinia minor, Sclerotinia sclerotiorum)0.243–0.688 kg/acre–
Legume VegetablesBotrytis pod rot (Botrytis cinerea)0.688–1.34 kg/acre–
Legume VegetablesWhite mould (Sclerotinia sclerotiorum)0.688–1.34 kg/acre–
LettuceDowny mildew (Bremia lactucae)0.688–1.34 kg/acre–
PeanutLeaf spot (Cercospora arachidicola, Cercosporidium personatum)0.243–0.688 kg/acre–
Pome FruitFire blight (Erwinia amylovora)0.445–0.688 kg/acre–
Pome FruitScab (Venturia inaequalis; V. pirina)0.688–1.34 kg/acre–
PotatoEarly blight (Alternaria solani)0.445–0.89 kg/acre–
PotatoSilver Scurf (Helminthosporium solani)––
RadishDowny mildew (Personospora parasitica)0.567 kg/acre–
Rapeseed SubgroupNot Specified––
Root and Tuber VegetablesWhite mould (Sclerotinia sclerotiorum)0.445–0.89 kg/acre–
Small Fruit and BerriesBacterial blight (Pseudomonas syringae)0.243–0.688 kg/acre–
Small Fruit and BerriesBotrytis grey mould (Botrytis cinerea)0.688–1.34 kg/acre–
SoybeanBrown spot (Septoria glycines)0.04–0.202 kg/acre–
SoybeanFrog-eye leaf spot (Cercospora sojina)––
SoybeanWhite mould (Sclerotinia sclerotium)0.243–0.809 kg/acre–
SpinachWhite rust (Albugo occidentalis)0.243–0.445 kg/acre–
Stone FruitBrown Rot (Monilinia spp.)0.445–0.688 kg/acre–
StrawberryBotrytis gray mould (Botrytis cinerea)0.688–1.34 kg/acre–
Sugar BeetCercospora Leaf Spot (Cercospora beticola)0.202–0.445 kg/acre–
TomatoBacterial spot (Xanthomonas campestris)0.243–0.688 kg/acre–
TomatoPowdery mildew (Erysiphe orontii, Leveillula taurica)0.688–1.34 kg/acre–

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
bacillus subtilis qst 713
Biological fungicide - Bacterial strain
Formulation
wettable powder
Resistance group
Group BM02