Sovrin Flo 5L (Fungicide)

Sovrin Flo® is a Morpholine Fungicide for the control of Downy Mildew on Grapes, Lettuce and Onions, and Early and Late Blight on Potatoes.
Active Ingredient:
Contains 500g/litre Dimethomorph in the form of a suspension concentrate.
What It Controls:
Sovrin Flo® is specifically designed for Oomycete (“Water Mould”) Diseases.
Downy Mildew:
- Grapes.
- Lettuce.
- Onions.
Late Blight:
- Potatoes.
Early Blight:
- Potatoes – Suppression.
- Very similar disease space to Ridomil®-type products, but with a different chemistry.
How It Works: (Key Strength).
- Locally systemic (moves within treated tissue).
- Strong anti-sporulant activity (stops disease spreading).
Provides Both:
- Preventative protection.
- Early curative action.
Key Point:
- Not just protective — it can stop early infections developing.
Where It’s Used:
- Grapes.
- Lettuce.
- Onions.
- Potatoes.
Especially Valuable In:
- Vegetable Systems.
- Viticulture (Downy Mildew).
Application Principles:
Apply:
- Preventatively or at first sign of disease.
Use:
- High water volumes for good coverage (≥200 L/ha typical).
Like Most Downy Mildew Products:
- Timing is critical → don’t wait until heavy infection.
Resistance Management:
- Dimethomorph® = single-site fungicide → resistance risk.
Label/Technical Guidance:
- Rotate with other Fungicide Groups.
- Use in programmes, not repeated solo applications.
Often Alternated With:
- Mancozeb® mixes.
- Copper®.
- Other Systemic Fungicides.
Safety & Environmental:
- May cause organ damage with long-term exposure.
- Toxic to aquatic life (long lasting).
Precautions:
- Avoid spray drift and runoff.
- Wear PPE.
- Do not contaminate waterways.
- Simple way to think about it Ridomil® = strong systemic + protectant mix.
- Sovrin Flo® = more targeted anti-sporulant + early curative.
Both Hit Similar Diseases, But:
- Sovrin Flo® is often used to tighten control and resistance rotation.
Bottom Line:
- Sovrin Flo® = Specialist Downy Mildew / Blight Fungicide.
Strengths:
- Anti-sporulant activity.
- Early curative effect.
- Good programme fit.
Limitations:
- Not for Botrytis or Powdery Mildew.
- Needs rotation to avoid resistance.
Caution:
Must be used strictly according to label directions.

Available in 5L.

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