Mesosulfuron-Methyl 10 g/L + iodosulfuron-Methyl Sodium 2 g/L + Mefenpyr-Diethyl 30 g/L OD

Item	Details
Product Name	Mesosulfuron-Methyl 10 g/L + Iodosulfuron-Methyl Sodium 2 g/L + Mefenpyr-Diethyl 30 g/L OD
Active Herbicides	Mesosulfuron-Methyl 10 g/L + Iodosulfuron-Methyl Sodium 2 g/L
Safener	Mefenpyr-Diethyl 30 g/L
Formulation	OD (Oil Dispersion)
Product Type	Herbicide
Herbicide Group	Group 2
Main Crop Direction	Winter wheat
Main Weed Direction	Black-grass, wild oats, rye-grasses, meadow-grasses, chickweed, mayweeds
Main Use Direction	Post-emergence grass-weed control with support on selected broadleaf weeds
Application Method	Use according to the approved local label

Main Functions

Mesosulfuron-Methyl 10 g/L + Iodosulfuron-Methyl Sodium 2 g/L + Mefenpyr-Diethyl 30 g/L OD is mainly used to:

• Control important grass weeds in winter wheat
• Reduce weed competition after crop emergence
• Support control of selected broadleaf weeds
• Fit post-emergence cereal weed programs
• Provide a Group 2 herbicide option in wheat weed management

Its main role is post-emergence wheat weed control, with the strongest value in fields where grass weeds are the main yield risk.

Mode of Action

Mesosulfuron-methyl and iodosulfuron-methyl-sodium are ALS-inhibiting sulfonylurea herbicides in Group 2. After uptake, susceptible weeds stop growing quickly, and visible symptoms develop over time depending on weed species, growth stage, and weather conditions. This herbicide combination has foliar activity and also shows some root activity.

Mefenpyr-diethyl acts as a safener. Its role is to support crop selectivity in wheat so the formulation can target weeds while remaining suited to winter wheat programs.

Target Weeds

The strongest weed direction of this formulation includes:

• Black-grass
• Wild oats
• Italian rye-grass and other rye-grasses
• Annual meadow-grass
• Rough-stalked meadow-grass
• Common chickweed
• Mayweeds

This gives the product a very clear technical profile: grass-weed control first, with additional support on selected broadleaf weeds in winter wheat.

Suitable Crops and Application Areas

The clearest crop fit for this formulation is winter wheat. That crop focus is one of the most important parts of the product identity, because the combination is designed for selective post-emergence use in wheat rather than broad multi-crop weed control.

This herbicide is intended for field use after crop emergence in winter wheat weed-management programs where grass weeds are central to the control strategy. Final crop scope should always follow the approved local label in the destination market.

Application Guidance

This herbicide should be used according to the approved local label. The strongest performance is achieved when target weeds are actively growing and when grass weeds are fully emerged at the time of spraying. Good spray coverage matters because the formulation works mainly through foliar uptake.

In general, this formulation is suitable when:

• the crop is winter wheat
• the main pressure comes from grass weeds
• selected broadleaf weeds are also present
• the weed-control program requires a Group 2 post-emergence herbicide
• the field needs a focused wheat weed-control treatment, not a generic all-crop herbicide

Weeds emerging after application will not be controlled, so timing remains important. Final timing, dose, and spray conditions should follow the approved local label.

Formulation Features

OD means oil dispersion. This is a liquid formulation designed for dilution before field spraying. The formulation identity is an important technical part of the product: it is an OD wheat herbicide, not a WG, WDG, or EC version.

The practical meaning is straightforward: Mesosulfuron-Methyl 10 g/L + Iodosulfuron-Methyl Sodium 2 g/L + Mefenpyr-Diethyl 30 g/L OD is a liquid post-emergence wheat herbicide for standard field spray preparation.

Product Advantages

Mesosulfuron-Methyl 10 g/L + Iodosulfuron-Methyl Sodium 2 g/L + Mefenpyr-Diethyl 30 g/L OD stands out for these reasons:

• Selective post-emergence use in winter wheat
• Strong grass-weed control focus
• Group 2 ALS-inhibiting herbicide profile
• Two herbicidal actives in one formulation
• Mefenpyr-diethyl safener for wheat selectivity
• OD liquid formulation for field use

Its main technical strength is the combination of clear wheat selectivity, strong grass-weed fit, and a well-defined Group 2 mode of action.

Safety and Use Precautions

This herbicide should be handled carefully during mixing, spraying, storage, and transport. Because it is a Group 2 ALS-inhibiting herbicide, resistance management is important. Repeated exclusive reliance on ALS herbicides can reduce long-term field performance where resistant grass-weed populations are present.

Important points include:

• follow the approved local label
• avoid repeated exclusive use without rotation
• apply to actively growing weeds
• wear proper protective clothing, gloves, and face protection
• avoid drift onto non-target crops, ponds, waterways, and ditches
• do not apply to crops under strong stress conditions

These precautions are especially important in wheat systems where resistant black-grass and rye-grass populations may already be present.

Storage and Transport

Store Mesosulfuron-Methyl 10 g/L + Iodosulfuron-Methyl Sodium 2 g/L + Mefenpyr-Diethyl 30 g/L OD in the original sealed package in a safe, dry place designated for agrochemical storage. Protect the product from frost, leakage, package damage, and rough handling before use.

FAQ

What kind of herbicide is this product?

It is a selective post-emergence Group 2 herbicide for winter wheat, built around mesosulfuron-methyl, iodosulfuron-methyl-sodium, and mefenpyr-diethyl in an OD formulation.

What does mefenpyr-diethyl do in this formulation?

Mefenpyr-diethyl acts as a safener and supports crop selectivity in winter wheat.

Which weeds are most relevant to this herbicide?

The main weed directions include black-grass, wild oats, rye-grasses, meadow-grasses, chickweed, and mayweeds.

What does OD mean in the product name?

OD means oil dispersion.

How should this herbicide be used?

It should be used according to the approved local label, mainly as a post-emergence treatment in winter wheat when target weeds are actively growing.