
FungicideEC
PERCH
Fungicide
- Prothioconazole
- 160 g/LFRAC 3
- Tebuconazole
- 80 g/LFRAC 3
Mode of actionFRAC 3
PERCH is a broad-spectrum fungicide for disease control in winter & spring crops of wheat (also reduction of the mycotoxin deoxynivalenol), barley, oats, oilseed rape and winter rye.
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Key uses(15)
- Powdery mildew
- Septoria leaf spot
- Glume blotch
- Yellow rust
- Brown rust
- Tan spot
- Reduction in sooty moulds
- Fusarium ear blight (reduction in DON content)
Registered in United Kingdom

Approved uses
Registration, documents and approved uses for this market.
Approved
Registration no.Not published
Pack sizes5L
Label & safety data
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Approved uses
| Crop | Targets | Dose | PHI | BBCH |
|---|---|---|---|---|
| Spring barley | — | 1.0 L/ha | — | — |
| Spring oats | — | 1.0 L/ha | — | — |
| Spring oilseed rape | — | 1.0 L/ha | — | — |
| Spring wheat | — | 1.0 L/ha | — | — |
| Winter barley | — | 1.0 L/ha | — | — |
| Winter oats | — | 1.0 L/ha | — | — |
| Winter oilseed rape | — | 1.0 L/ha | — | — |
| Winter rye | — | 1.0 L/ha | — | — |
| Winter wheat | — | 1.0 L/ha | — | — |
Resistance management
Mode-of-action group, classified by the Fungicide Resistance Action Committee. Rotate products across different groups to slow resistance build-up.
Prothioconazole
3FRAC
Group 3
Tebuconazole
3FRAC
Group 3
To manage resistance, avoid consecutive applications of fungicides from the same FRAC group. Alternate with products of a different mode of action within a programme.