Florpyrauxifen-benzyl
Active ingredient

Florpyrauxifen-benzyl

Description

Mode of action

Florpyrauxifen-benzyl is a breakthrough active ingredient belonging to the arylpicolinate chemical class. It is the first member of a novel group of herbicides that mimic the activity of natural plant hormones known as auxins.

Its mode of action involves selective binding to auxin receptors within sensitive plant tissues. This interaction triggers irregular cell growth and division, leading to the rapid structural collapse and ultimate death of the weed.

The compound is characterized by strong systemic activity, being rapidly absorbed through both leaves and roots. This systemic movement allows the active ingredient to reach growth points quickly, ensuring efficacy against a variety of weed species.

A significant advantage of this substance is its ability to control weeds that have developed resistance to traditional herbicide classes, such as ALS inhibitors or sulfonylureas.

Florpyrauxifen-benzyl provides excellent crop selectivity, making it a powerful and reliable tool for integrated weed management programs in modern agricultural systems.

What it targets

This herbicide is specifically designed to manage a wide spectrum of broadleaf weeds, sedges, and certain grass species that are notoriously difficult to control in rice cultivation.

It is highly effective against major weed species, including various types of barnyard grass, sedges, bulrush, and other broadleaf weeds that significantly threaten crop yields.

The application of this herbicide helps mitigate the competitive pressure exerted by weeds during the early vegetative stages, which is crucial for protecting the yield potential of the crop.

It displays high efficacy against both young seedlings and mature weeds, offering a flexible solution for growers facing diverse levels of infestation.

By controlling a broad range of weed types, it helps in maintaining cleaner fields and reducing the necessity for multiple overlapping herbicide treatments throughout the season.

Rates and timing

Due to its high biological activity, florpyrauxifen-benzyl is typically applied at very low rates compared to conventional herbicides, which minimizes the chemical load on the environment.

The optimal timing for application usually coincides with the active growth phase of weeds, typically from emergence through the tillering stage, depending on local agronomic conditions.

To maximize efficacy, it is recommended to apply the product under favorable weather conditions, considering soil moisture and temperature for optimal plant uptake.

The herbicide is often used in tank mixtures; however, users must verify compatibility with other products or adjuvants to ensure stability and chemical effectiveness.

Always consult the official label and product documentation for precise dosage recommendations based on the specific crop variety and the weed pressure present in the field.

Restrictions

Strict precautions must be followed during application to prevent spray drift, especially when sensitive crops are located in the vicinity of the treated area.

Application should be avoided during high wind conditions or when heavy rainfall is expected shortly after, as these factors can significantly compromise the efficacy of the herbicide.

To ensure long-term sustainability and prevent the development of weed resistance, it is advisable to rotate this herbicide with products that have different modes of action.

Proper personal protective equipment, including gloves, goggles, and respiratory protection, is essential for all personnel handling the concentrate or working with the spray solution.

Finally, ensure that all equipment is cleaned thoroughly after use and that empty containers are disposed of according to local environmental regulations and safety standards.

Regulatory

Status in the European Union

Approved in the EU

CAS number
1390661-72-9
Approved from
24.07.2019
Approval until
24.07.2029
ADI
0.5 mg/kg bw/day
AOEL
0.13 mg/kg bw/day
EU legislation

EU status is for reference only and does not replace national registration in your country.