Duality is a selective herbicide for the control of certain broadleaf weeds in Fodder Brassicas and Radiata Pine.
Active Ingredients:
150g/litre picloram + 225g/litre clopyralid SL.
Designed for broadleaf weed control, (Especially In).
– Fodder brassicas.
– Radiata pine forestry.
What It Controls(Strong on).
– Fathen.
– Black Nightshade.
– Thorn Apple.
– (Redroot = Suppression Only).
Also used in forestry for:
– Gorse.
– Broom.
– Thistles.
– Ragwort.
– Foxglove.
– Wattles, etc.
Application Rates & Timing.
– Fodder Brassicas Rate 350 mL/ha.
– Timing apply when weeds are 2–8 true leaf stageFocus on weed growth stage, not crop stage.
– Adjuvant (IMPORTANT), MUST add spraying oil.
Typical rate:
– 500 mL per 100 L water (boom/aerial) or 500 mL/ha (CDA).
– Without oil, performance will drop significantly.
– Radiata Pine.
– General rates, 1.0–2.5 L/ha depending on weed,Spot Spray 200 mL in 10 L water.
– Add: Boost penetrant (except in spot spraying).
– Best timing active growth and good soil moisture,Avoid late-season applications (after Feb reduces effectiveness).
Crop Safety & Residuals (VERY IMPORTANT).
Sensitive Crops. (Do NOT plant for at least 12 months.
– Peas.
– Beans.
– Lucerne.
– Potatoes.
– Tomatoes.
– Cucurbits.
– Pasture/Clover.
– Wait minimum 6 months + cultivation before sowing clover.
– Residues (from picloram) can persist and damage legumes.
– In dry or heavy soils → residues may last up to 2 years.
Safety & Hazards.
– Causes eye irritation.
– Harmful to aquatic life.
Hazardous to.
– Soil organisms.
– Terrestrial Vertebrates.
Key Takeaways.
– Avoid drift and runoff.
– Clean equipment thoroughly.
– Follow buffer zones strictly.
Key Use Tips.
(Practical)- Best results = young, actively growing weeds.
– Always include spraying oil / penetrant.
Works well where:
– Hormone resistance is present.
– Hard-to-kill brassica weeds dominate.
– Avoid repeated use in rotations → residue buildup risk.
Strengths.
– Strong on problem broadleaf weeds.
– Flexible timing window.
– Good Forestry Fit (gorse/broom suppression).
Limitations.
– Residual carryover is the big risk.
– Not safe for legumes or sensitive crops.
– Needs adjuvant to perform properly.
Caution:
Use strictly according to label directions.
Available in 5L
Duality Technical Guide
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