
FungicideEW
THERIX
FUNGICIDE
- Tebuconazole
- 250 g/LFRAC 3
Mode of actionFRAC 3
THERIX is a broad-spectrum systemic fungicide containing 250 g/L (25.8 % w/w) tebuconazole as an Oil In Water Emulsion (EW). It is absorbed into the vegetative parts of the plant and translocated throughout. The product controls a wide range of diseases in cereals, oilseed rape, field beans, and linseed, including rusts, mildews, and leaf spots.
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Key uses(18)
- Septoria glume blotch
- Yellow rust
- Brown rust
- Fusarium ear blight
- Sooty moulds
- Powdery mildew
- Crown rust
- Rhynchosporium
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 | PHI | BBCH |
|---|---|---|---|
| Barley | — | — | 30 |
| Faba bean | — | 35d | — |
| Flax / linseed | — | 35d | — |
| Oat | — | — | 30 |
| Oilseed rape | — | — | — |
| Rye | — | — | 30 |
| Wheat | — | — | 30 |
Resistance management
Mode-of-action group, classified by the Fungicide Resistance Action Committee. Rotate products across different groups to slow resistance build-up.
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.