Territory Stories

Northern Territory weed management handbook



Northern Territory weed management handbook

Other title

Weed management handbook


E-Publications; E-Books; PublicationNT




Made available via the Publications (Legal Deposit) Act 2004 (NT).; This manual has been developed to provide detailed information about weed control in the Northern Territory.


Date:2012; Includes: Weeds in the N.T. -- Legislative responsibilities -- Strategic & planned approaches to weed management -- Prevention -- Weed control methods -- Integrated weed control -- Using herbicides correctly -- Herbicide toxicity -- Modes of action -- Herbicide resistance -- Herbicide control techniques -- Using adjuvants, surfactants & oils with herbicides -- Factors affecting adjuvant use -- Records of use -- Disposal of excess chemicals & used chemical containers -- Chemical handling training -- Weed control option tables -- Publications -- Websites.




Weeds -- Control; Weeds -- Northern Territory -- Identification

Publisher name

Northern Territory Government

Place of publication



53 p., : ill. (chiefly col.) ; 30 cm.

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Weed Control Option Tables 34 NORTHERN TERRITORY WEED MANAGEMENT HANDBOOK 2012 OPTIMUM TREATMENT TIMES darker colour indicates preferred treatment times Prickly acacia Acacia nilotica (Class A/C) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Chemical and concentration Rate Weed growth stage, method and comments Fluroxypyr 200 g/L Various trade names 750 mL / 100 L Seedling (individuals or infestation) + adult (infestation): Foliar spray - Uptake Spraying Oil required Fluroxypyr 333 g/L Starane Advanced 450 mL / 100 L Seedling (individuals or infestation) + adult (infestation): Foliar spray - Uptake Spraying Oil required Metsulfuron-methyl 600 g/kg Various trade names 10 g / 100 L Seedling (individuals or infestation) + adult (infestation): Foliar spray apply when actively growing, need wetting agent Hexazinone 250 g/L Various trade names 4 mL / spot 1 spot for each metre in height Seedling (individuals or infestation) + adult (infestation): Spot application - apply at the base of plant Tebuthiuron 200 g/kg Various trade names 1.5 g / m2 Seedling (individuals or infestation) + adult (infestation): Granulated herbicide: ground applied do not use within 30 m of desirable trees or apply to single continuous area > 0.5 ha Use higher rate on dense growth or heavy clay soils Triclopyr 240 g/L + Picloram 120 g/L Access 1 L / 60 L (diesel) 1 L / 60 L (diesel) Adult (individuals or infestation): Basal bark < 5 cm stem diameter Cut stump > 5 cm stem diameter Fluroxypyr 333 g/L Starane Advanced 900 mL / 100 L (diesel) 900 mL / 100 L (diesel) Adult (individuals or infestation): Basal bark < 10 cm stem diameter, treat up to 45 cm from ground Cut stump > 10 cm stem diameter Triclopyr 600 g/L Various trade names 1 L / 120 L (diesel) 1 L / 120 L (diesel) Adult (individuals or infestation) Basal bark < 5 cm stem diameter Cut stump > 5 cm stem diameter Non-chemical applications: Before seed pods have dropped: hand grubbing (small plants), cutting the root < 30 cm below the soil surface (blade ploughing), stick-raking and chaining (larger plants or infestations) can be effective. Fire is useful for mass seedling control if there is a suffi cient fuel load.

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