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ESKER

Product Reference: ESKER

Printed on: 2026-03-17

ESKER
Fungicide

ESKER

Product Reference:ESKER

ESKER is a broad-spectrum, systemic fungicide formulated as an emulsifiable concentrate containing 160 g/L prothioconazole and 80 g/L tebuconazole. It is designed for disease control in winter and spring crops of wheat, barley, oats, oilseed rape, and winter rye. The product is rapidly absorbed and translocated within the plant to control diseases such as powdery mildew, Septoria leaf spot, rusts, and ear disease complex, while also reducing mycotoxin deoxynivalenol levels.

Active Ingredient

prothioconazole (160g/L)tebuconazole (80g/L)

ESKER is a broad-spectrum, systemic fungicide formulated as an emulsifiable concentrate containing 160 g/L prothioconazole and 80 g/L tebuconazole. It is designed for disease control in winter and spring crops of wheat, barley, oats, oilseed rape, and winter rye. The product is rapidly absorbed and translocated within the plant to control diseases such as powdery mildew, Septoria leaf spot, rusts, and ear disease complex, while also reducing mycotoxin deoxynivalenol levels.

Key Uses

Key applications and target areas for this product.

Powdery mildew
Septoria leaf spot
Glume blotch
Yellow rust
Brown rust
Tan spot
Ear disease complex
Fusarium ear blight
Reduction of mycotoxin deoxynivalenol
Eyespot
Net blotch
Rhynchosporium
Crown rust
Light leaf spot
Phoma leaf spot
Stem canker
Sclerotinia stem rot
Powdery mildew
Septoria leaf spot
Glume blotch
Yellow rust
Brown rust
Tan spot

Regional Variants

Product specifications and availability may vary by region. Select a region to view specific details.

United Kingdom

Formulations

NameTypeActive IngredientMechanism
Emulsifiable concentrate
  • prothioconazole
    Concentration:160g/L
  • tebuconazole
    Concentration:80g/L
-

Approved Crops

Winter Wheat

Application Stage:Before grain milky ripe stage (BBCH 71)
Application Rate:1.0 L/ha

Spring Wheat

Application Stage:Before grain milky ripe stage (BBCH 71)
Application Rate:1.0 L/ha

Winter Rye

Application Stage:Before grain milky ripe stage (BBCH 71)
Application Rate:1.0 L/ha

Winter Barley

Application Stage:Up to the beginning of flowering (BBCH 61)
Application Rate:1.0 L/ha

Spring Barley

Application Stage:Up to the beginning of flowering (BBCH 61)
Application Rate:1.0 L/ha

Winter Oats

Application Stage:Up to the beginning of flowering (BBCH 61)
Application Rate:1.0 L/ha

Pack Sizes Available

5L

Formulations

NameTypeActive IngredientMechanism
Emulsifiable Concentrate
  • ProthioconazoleConcentration:160g/L
  • TebuconazoleConcentration:80g/L
-

Approved Crops

Winter Wheat

Application Stage:Before grain milky ripe stage (BBCH 71)
Application Rate:1.0 L/ha

Spring Wheat

Application Stage:Before grain milky ripe stage (BBCH 71)
Application Rate:1.0 L/ha

Winter Rye

Application Stage:Before grain milky ripe stage (BBCH 71)
Application Rate:1.0 L/ha

Winter Barley

Application Stage:Up to the beginning of flowering (BBCH 61)
Application Rate:1.0 L/ha

Spring Barley

Application Stage:Up to the beginning of flowering (BBCH 61)
Application Rate:1.0 L/ha

Winter Oats

Application Stage:Up to the beginning of flowering (BBCH 61)
Application Rate:1.0 L/ha

Documentation

📋

Product Label

Product Label

File
⚠️

Safety Data Sheet

Safety Data Sheet

RequiredFile

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