GP Flupropanate and Regain are suitable in their granular form to be applied by hand, ground or by air (helicopter or fixed wing aircraft). They can be applied any time of year as per the labels and become effective after sufficient rainfall mobilises the active into the root zone.

Best results for control are when application is made prior to seedling growth and vegetative growth for the year (generally Autumn to Spring) and well before seed set.

The time required for complete death depends on many factors including soil type, rainfall, plant size, plant density and rate of product that is applied.

Application Equipment

Due to the fact that Regain and GP Flupropanate are very effective and the results may last for many years, it is very important to ensure that the application is done properly. An under application will result in continued regrowth problems and an over application may result in pasture grass damage.

The label states that each application machine must be calibrated and approved by Granular Products, ‘the product supplier’.

Rigorous quality assurance and environmental due diligence procedures are required to provide applicators with accreditation. Minimum Application requirements are:

  • All applications must comply with relevant State and Commonwealth legislation
  • Application Pattern testing showing a coefficient of variation of less than 10% must be documented
  • Application must be supported by GPS guidance with data logging and download capabilities
  • Current Australian Aerial Application Association Spraysafe Accreditation or equivalent must be held
  • All applications must be made by calibrated, positively metered variable rate equipment.

Product Handling

Regain is packaged in 20 Kg boxes and for bulk application, 500Kg bags. GP FLUPROPANATE is packaged in 15 Kg buckets, and for bulk application parcels of 20Kg and 500Kg bags. The small 20 Kg packs are hand poured into the helicopter hoppers and the large (500 Kg) bulk application parcels are loaded into a granule loader then augered onto the aircraft.

The Regain AND GP Flupropanate granules are delicate and will powder if treated roughly. Therefore a belt type auger is used when handling and loading the product to ensure the granule integrity.

Due Dilligence

Due to the strict Vegetation Management Regulations in Queensland it is necessary for the applicator or Granular Products to make a Pre Application Inspection of the treatment area ensure that it will be environmentally sound to make the treatment. They will need to inspect the PMAV, and any permits that may be required prior to making any application decisions.