Consequently, resistance management is a priority. Triazoles are rarely used alone against high-pressure diseases. Instead, they are typically applied in mixtures with fungicides from different chemical classes (multi-site inhibitors or SDHIs) to delay resistance development and broaden the spectrum of control.
The defining feature of is their role as Demethylase Inhibitors (DMIs) , which prevents fungi from building essential cell membranes. This makes them one of the most effective and widely used "backbone" treatments in modern agriculture. 🛡️ Primary Mechanism: Ergosterol Inhibition triazole fungicides
| Feature | Triazoles (FRAC 3) | QoIs (Strobilurins, FRAC 11) | SDHIs (FRAC 7) | |---------|--------------------|-------------------------------|----------------| | Mode | Ergosterol inhibition | Respiration (complex III) | Respiration (complex II) | | Movement | Xylem systemic | Local/systemic | Xylem systemic | | Resistance risk | High | High | Medium-High | | Growth regulation | Yes | No | Slight | | Best used | Early-mid season | Preventative | Curative/Protectant | Consequently, resistance management is a priority
Triazoles are a class of systemic fungicides widely used in agriculture, horticulture, and turf management. They belong to the group (FRAC code 3). The defining feature of is their role as