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Lockstar 500g

£180.00
Lockstar 500g is a professional pre-emergent herbicide providing up to 4 months’ residual weed control on hard surfaces, railway ballast, fence lines, and permeable non-crop land.
Lockstar 500g
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  • + Product Description

    Lockstar 500g is a professional-use pre-emergent residual herbicide formulated to provide long-lasting control and prevention of weeds on non-crop land. Containing Diflufenican 360g/kg and Iodosulfuron 10g/kg, Lockstar offers up to 4 months of residual protection, effectively preventing the emergence of annual grasses and broadleaf weeds. Ideal for hard and permeable surfaces, fence lines, pavements, railway ballast, and yard edges.

    Features & Benefits

    • Pre-emergent residual action – prevents weed emergence before growth

    • Long-lasting protection – up to 4 months’ activity

    • Dual-active formulation – effective against grasses and broadleaf weeds, supporting resistance management

    • Tank mix compatible – can be combined with glyphosate or fatty acids for post-emergent control

    • Fast-dissolving granules – remain in suspension for 24 hours for even application

    • Professional-use product – suitable for councils, rail, highways, and hard surface maintenance

    Application & Coverage

    Application Method Rate Coverage
    Knapsack Sprayer 12.5g in 10L water Treats 500m²
    Boom Sprayer 500g per hectare Treats 1 hectare

    • Water volume: 300–500L/ha

    • Max treatments per year: 1

    • Apply before weed emergence for optimal residual effect

    Weeds Controlled
    Clover, Dandelion, Meadow Grass, Ribwort Plantain, Speedwell, and other annual grasses and broadleaf weeds

    Areas of Use

    • Hard surfaces (railway ballast)

    • Natural surfaces not intended to bear vegetation

    • Permeable surfaces over soil

    • Fence lines, kerb edges, yards, around substations

    Active Ingredients

    • Diflufenican – 360g/kg

    • Iodosulfuron-methyl-sodium – 10g/kg

    MAPP Number: 19101
    LERAP Category: Crop buffer of 5m – see authorisation for full guidance

    ⚠️ Professional Use Only
    Lockstar 500g is a professional herbicide. Operators must hold valid PA1 and PA2/PA6 certification under UK pesticide regulations. Follow label instructions, wear recommended PPE, and observe environmental protection guidance. Misuse may lead to legal penalties and environmental damage.

  • + Download
    LabelsSDS/LockstarLabel.pdf
  • + Download
    LabelsSDS/LockstarSDS.pdf
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