Description
Mode of action
Flutriafol is a systemic fungicide belonging to the triazole class, highly valued in agriculture for its exceptional mobility within plant tissues. Upon application, it is rapidly absorbed by leaves or seeds and translocated via the xylem, ensuring protection for both treated and new growth.
The primary mechanism of action involves the inhibition of ergosterol biosynthesis, an essential component for the formation of fungal cell membranes. By disrupting this process, the fungicide prevents the growth of mycelium and effectively arrests the development of the pathogen.
Due to its systemic properties, Flutriafol offers both preventive and curative effects. It can stop established infections in their early stages, making it an essential tool for integrated pest management in field crops.
The substance demonstrates high stability after application, providing a long-lasting protective barrier against reinfection. Its rapid uptake capacity makes it resistant to washing off by light rain soon after the spraying operation.
Furthermore, the compound possesses translaminar activity, meaning it can move through the leaf blade, ensuring that spores present on the underside of leaves or deep within tissues are effectively controlled.
What it targets
Flutriafol is highly effective against a wide range of diseases including powdery mildew, various types of rust, septoria, rhynchosporium, and cercosporella on cereal crops.
It is widely utilized in orchards and vegetable production to control fungal diseases on apple trees, vineyards, and sugar beets, preventing various forms of rot and blights.
As a seed treatment, it provides robust protection against smut diseases, root rots, and seed-borne molds, ensuring optimal crop stand establishment during the critical early growth phases.
The fungicide also demonstrates significant activity against helminthosporium leaf spots, which are common and damaging pathogens that can severely impact the photosynthetic capacity of cereals.
By controlling multiple fungal species simultaneously, it serves as a versatile solution for complex disease pressure scenarios in wheat, barley, and other small-grain cereals.
Rates and timing
Application rates depend on the crop type, disease severity, and the specific stage of development, typically ranging between 0.15 to 0.5 liters per hectare for foliar applications.
When used for seed dressing, the dosage is calculated based on the weight of the seeds, generally requiring 0.5 to 1.0 liters per ton to ensure uniform and adequate seed coverage.
Optimal timing for field application is during the early onset of symptoms or as a preventive measure based on regional disease forecasts to maximize yield potential.
Uniform coverage of the entire plant canopy is essential, and the use of appropriate spray equipment and calibration is recommended to ensure the fungicide reaches the necessary target zones.
Limiting the number of applications per season is advised to manage resistance, with most programs recommending no more than two treatments with triazole-based fungicides per crop cycle.
Restrictions
To avoid the selection of resistant fungal strains, it is recommended to rotate Flutriafol with fungicides from different chemical groups or to use it as part of a tank mixture.
Application should be avoided during high wind conditions to prevent spray drift to non-target areas or sensitive neighboring crops, following all local safety regulations.
Personnel handling the concentrated or diluted product must utilize appropriate personal protective equipment (PPE), including gloves, goggles, and respiratory masks, to ensure user safety.
Compliance with pre-harvest intervals (PHI) is mandatory to ensure that chemical residues in the final harvested produce remain well below the regulated safety limits for consumers.
Precautions should be taken to prevent run-off into aquatic ecosystems, as triazole fungicides can be harmful to water-based organisms if introduced into rivers or streams in high concentrations.
Status in the European Union
Not approved in the EU
- CAS number
- 76674-21-0
- Category (EU)
- FU - Fungicide
- Approved from
- 01.06.2011
- Approval until
- 31.05.2021
- ADI
- 0.01 mg/kg bw/day
- ARfD
- 0.05 mg/kg bw
- AOEL
- 0.05 mg/kg bw/day
EU status is for reference only and does not replace national registration in your country.
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