The Australian Pesticides and Veterinary Medicines Authority (APVMA) is considering an application for the registration of the products Basta Ultra Herbicide and Liberty Ultra Herbicide, containing 211 g/L glufosinate-P-ammonium, as a soluble concentrate (SL) formulation. Basta Ultra Herbicide is intended for non-residual control of broadleaf and grass weeds in various situations; Liberty Ultra Herbicide is intended for non-residual control of certain broadleaf and grass weeds in LibertyLink® Canola varieties (with tolerance to Liberty® Ultra Herbicide), fallow and optical spot spray technologies (OSST).
We invite comment from 24 February 2026 to 24 March 2026 on whether registration of the products should be granted.
The APVMA is able to consider comments relating to the legislative grounds, including:
- occupational health and safety
- public health
- chemistry and manufacture
- residues in food
- environmental safety
- trade
- efficacy and target crop safety.
Download the Public Release Summary on the evaluation of Basta and Liberty Ultra Herbicide.
For more information see page 25, APVMA Gazette No 4, Tuesday 24 February 2026.
Please lodge your submission with a public submission coversheet. The coversheet provides options for how your submission will be published.
Please note that submissions will be published on the APVMA’s website unless you have asked for the submission to remain confidential. Note that all APVMA documents are subject to the access provisions of the Freedom of Information Act 1982 and may be required to be released under that Act should a request for access be made.
Please send your written submission and coversheet by email:
Email: casemanagement@apvma.gov.au
Case Management Team – Pesticides
Australian Pesticides and Veterinary Medicines Authority
GPO Box 574
Canberra ACT 2601, Australia
Phone: +61 2 6770 2300