
DIFENOSTAR
Difenoconazole 250 g/L
DIFENOSTAR is a contact and systemic DMI fungicide containing 250 g/L difenoconazole as an emulsifiable concentrate. It is designed for the control of certain diseases, including Light Leaf Spot, Stem Canker, Leaf and Pod Spot, and Ring Spot, in winter and spring oilseed rape as well as various brassica crops. The product acts both protectively and curatively, though it is best applied before target diseases become established.
- Country
- United KingdomApproved
- Formulation
- Emulsifiable concentrate
- Pack sizes
- 1L
- Mode of action
- FRAC 3
Key uses· 5
- Light Leaf Spot
- Stem canker (Phoma lingam)
- Leaf & pod spot (Alternaria spp.)
- Ring spot
- Leaf spot (Alternaria spp.)

United Kingdom registration
Registration, documents and approved uses for this market.
United Kingdom registration
- Country
- United KingdomApproved
- Registration number
- Not published
Label & safety
Approved uses
BroccoliPHI 21 days
- BBCH
- 41
Brussels sproutPHI 21 days
- BBCH
- 41
CabbagePHI 21 days
- BBCH
- 41
CauliflowerPHI 21 days
- BBCH
- 41
KalePHI 21 days
- BBCH
- 41
| Crop | PHI | BBCH |
|---|---|---|
| Broccoli | 21d | 41 |
| Brussels sprout | 21d | 41 |
| Cabbage | 21d | 41 |
| Cauliflower | 21d | 41 |
| Kale | 21d | 41 |
| Oilseed rape | — | — |
Product details
Mode-of-action group, classified by the Fungicide Resistance Action Committee. Rotate products across different groups to slow resistance build-up.
Emulsifiable concentrateEC
| Active ingredients | Concentration | Mode of action |
|---|---|---|
| Difenoconazole | 250 g/L | FRAC3 |
Pack sizes
- 1L
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.
Find more products
Other fungicide products registered for the same crops.
FungicideSCAZULA
Azoxystrobin
FRAC 11

