The library · Fungicide
Prothioconazole
A strong triazole-class active used on fusarium head blight in cereals, and on sclerotinia in canola.
- Group
- Fungicide Group 3
- Family
- Triazoles and triazolinthiones
- Formula
- C14H15Cl2N3OS
- Molar mass
- 344.3 g/mol
Structure: PubChem CID 6451142
How it kills
DMI (triazoles)
Stops fungi making sterols for their cell membranes.
Moves into the leaf and locally upward with the water stream.
Enters the plant and travels upward with the water stream. It protects new tissue above where it landed, not below.
Where it fits
In the season.
Commonly used on
- Fusarium head blight
- Sclerotinia
- Cereals
Good to know
- Canola sclerotinia sprays are generally timed around 20 to 50% bloom.
- Spray timing around anthesis decides FHB results.
- Rotate or combine with other FRAC groups to protect it from resistance.
On Dean's list
Products with Prothioconazole.
| Product | Similar to | Strength |
|---|---|---|
| Metalaxyl / Tebuconazole / Prothioconazole | Raxil Pro Fungicide | Metalaxyl 6.2 g/l + Tebuconazole 3.0 g/l + Prothioconazole 15.4 g/L ST |
| Prothioconazole | Proline | Prothioconazole 480 g/L |
| Prothioconazole/Tebuconazole | PROSARO® 250 EC | Tebuconazole 125 + Prothioconazole 125 g/l EC |
Sold alongside: Tebuconazole, Metalaxyl-M
Same group, same mode of action
