Granstar Super is a selective systemic herbicide, widely used in cereal crops to control broadleaf weeds.
🔬 Active substances
- Tifensulfuron-metil – 25%
- Tribenuron-metil – 25%
👉 Both are part of the sulfonylurea group (ALS inhibitors)
🌱 Crops where it is applied
- Wheat
- Barley
- Rye
- Triticale
- Oat
Combat spectrum
Controls over 70 species of dicotyledonous weeds
Examples:
- pelamid
- wild mustard
- shepherd’s bag
- turiță
- poppy
- sunflower seed
⚙️ Mode of action
- Systemic → absorbed through leaves and roots
- Moves in the plant (xylem + phloem)
- Blocks cell division → weeds stop growing
👉 Result:
- in a few days → yellowing
- in 2–3 weeks → complete drying
📅 How to use:
- Application: post-emergence
- Usual dose: ~40 g/ha
- Moment:
- from 2 leaves to the standard leaf (BBCH 12–39)
✅ Advantages
- Very broad spectrum of weeds
- Fast and effective action
- Works even at lower temperatures (>5°C)
- No major restrictions in crop rotation
- Can be combined with other herbicides for extended spectrum
⚠️ Recommendation
- Apply to young weeds (max 4–6 leaves)
- Avoid stressed crops (drought, cold, diseases)
- May require adjuvant (e.g. Trend) in difficult conditions
