Ventura® is a highly effective Fungicide for the control of Oomycete Fungi (including Late Blight and Downy Mildew) in Potatoes, Outdoor Tomatoes, Onions, and Brassica Seedbeds. Ventura®is highly systemic activity makes it an ideal early-season Fungicide for the protection of Crops in the rapid growth phase – followed by a managed programme with Fungicides from alternative chemical groups.
Active Ingredient:
250g/litre Metalaxyl in the form of an Emulsifiable Concentrate.
What It Is:
– Group: Group 4 Fungicide (Phenylamide).
– Type: Systemic Fungicide.
– Targets: Oomycete Diseases (water moulds).
Key Diseases:
– Late Blight (Potatoes, Tomatoes).
– Downy Mildew (Onions, Brassicas).
How It Works:
Works Best:
– Early in Crop growth.
– Before Disease establishes.
– It inhibits Fungal growth internally rather than just protecting the surface.
CRITICAL RULE: (this label is strict).
– Must be tank-mixed.
– ALWAYS mix with Mancozeb®.
Examples:
Potatoes:
– 800 mL/ha Ventura® + 2.1 kg/ha Mancozeb®.
Onions:
– 640 mL/ha Ventura® + 1.7 kg/ha Mancozeb®- This is non-negotiable.
– Ventura® alone = high resistance risk + reduced control.
Crop Uses & Rates:
Potatoes / Outdoor Tomatoes: (Late Blight).
– 800 mL/ha Ventura® + 2.1kg/ha Mancozeb®.
– Water: 500–750 L/ha.
– Timing Start before disease appears.
– Repeat every 10–14 days.
– Max 3 applications per crop.
Onions: (Downy Mildew).
– 640 mL/ha Ventura® + 1.7kg/ha Mancozeb®.
– Interval Every 10 days.
– Max 3 applications.
Brassica Seedbeds:
– 6.5 mL Ventura® / 100 m² + 17g/100 m² Mancozeb®.
– Apply at seedling emergence.
– Repeat every 10 days until transplant.
Major Restrictions: (VERY important).
– Max 3 applications per season. (Applies to Ventura AND any Phenylamide Fungicide).
– Overuse = resistance blowout.
– Crop rotation restriction.
Do NOT Grow same Crop again in same field that season, (e.g. Onions after Onions, Potatoes after Potatoes) This is to reduce Disease + resistance carryover.
Do Not Apply:
– After flowering (Potatoes/Tomatoes).
– When foliage is dying off because systemic movement stops working properly.
Withholding Period:
– 14 days (Onions, Potatoes, Tomatoes).
Application Conditions:
Apply:
– On dry foliage.
– No rain for at least 2 hours.
– Needs time to absorb into plant.
Safety & Hazards:
– Combustible liquid.
– Harmful if swallowed.
– Skin & eye irritant.
– May damage fertility/unborn child.
– Toxic to aquatic life.
– Full PPE.
– Avoid waterways.
Resistance Management: (this one is HIGH RISK).
– Group 4 Fungicide = very high resistance risk(Label Is Very Clear).
– Max 3 sprays.
– Always mix with Mancozeb®.
– Rotate with other Fungicide Groups.
Typical Smart Programme: (Example Logic).
– Early Season use Ventura® + Mancozeb® (systemic kick-start).
– Follow-up with a protectant (Valeo®).
– Later use a Group 3 Chemical.(Validus® / Vandia® / Varicur®).
– This avoids hammering one chemistry group.
Bottom Line:
– Strong early-season systemic Fungicide.
– Best For Late Blight & Downy Mildew.
– Must be mixed with Mancozeb® and be limited to 3 sprays.
– High value for resistance management (different group).
Most Important Takeaways:
If You Remember Nothing Else:
– Always mix with Mancozeb®.
– Use early (preventative).
– Max 3 sprays per season.
– Rotate with other Fungicides.
Caution:
Must be used strictly according to label directions.
Available in 5L.
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Registered under the ACVM Act: P007841
