Hexazinone 75%WDG
Hexazinone 75%WDG is suitable for the following weeds:
| Alder | Hackberry | Multiflora Rose | Sourwood |
| Ash | Hawthorn | Myrtle | Sumac |
| Aspen | Hazel | Oaks (except live oaks) | Sweetbay |
| Balsam Poplar | Hickory | Osage orange | Sweetgum |
| Birch | Huisache | Persimmon | Tallow |
| Black Cherry | Juniper | Privet | Wild Cherry |
| Blackgum | Locust | Red Cedar | Wild Plum |
| Catclaw, Acacia | Lotebush | Red Maple | Whitebrush |
| Deerbrush | Manzanita | Small Soapweed (Yucca Glacua) | Whitethorn |
| Dogwood | Mesquite | Snowbrush | Willow |
| Elm | Mulberry | Yellow Poplar |
Application dosage:
For forestry (Radiata Pine only) & weed control
Site Preparation (pre‑planting):
Apply 2.5‑10 kg/ha. Use a higher rate for heavy soil, high rainfall, bracken, blackberry, gorse, broom, paspalum, Himalayan honeysuckle.
Release Spraying (over trees)
2.5‑5 kg/ha for broadleaf weeds & grasses; 7‑10 kg/ha for bracken, blackberry, gorse, broom, paspalum, Himalayan honeysuckle when weeds grow actively.
Aerial Application
Foaming nozzle system; minimum 230 L/ha total water in two overlapping 115 L/ha passes.
Spot Release Application
0.25‑0.5 g/m² for broadleaf weeds/grasses; 0.6‑1 g/m² for tougher woody weeds. Mix 30 g per litre water; apply 10‑15 mL/m² or 20‑30 mL/m² accordingly.
Forestry Note: Avoid poor‑vigour, stressed pine trees. Do not use on light, sandy, low‑organic‑matter or waterlogged soils. No surfactant when spraying over tree tops.
Tank Mix
May mix with terbuthylazine: Hexazinone 750WG 2‑3 kg/ha + terbuthylazine at label rate. Use higher rates for dense, hard‑to‑kill weeds needing long residual grass control.
Non‑Selective Weed Control
Foliar spray 5‑10 kg/ha for long‑term control of broadleaf weeds and grasses. Higher rate for heavy‑organic soils. Knapsack: 70 g in 10 L of water treats 100 m² (=7 kg/ha).
Scrub Weed Control
Foliar: 7‑10 kg/ha for blackberry, bracken, manuka, sweet brier, seedling gorse/broom. Handgun: 600 g per 100 L water.
Established Lucerne (≥12‑month‑old stands only, Oct‑Jan, active weed growth)
1.2 kg/ha: control annual poa, white clover, subterranean clover, shepherd’s purse, sweet vernal, nodding thistle (pre‑bolt), mouse‑ear chickweed
1.8 kg/ha: control browntop, storksbill, ragwort (bolted), woolly mullein, rosette‑stage nodding thistle. Water rate: ~300 L/ha. May spray after cutting/grazing.
Lucerne Caution: May cause slight yellowing/growth check. Do not treat drought‑stressed lucerne. Brassica crops cannot be sown within 12 months after application.
