As part of their participation in the Australian Plant Production Standard (APPS) accredited businesses (NIASA) can access reduced cost diagnostics through the following providers.

Phosyn Analytical 

Phosyn Analytical was established in 2001 and provides nutritional analysis of soil and media, plant tissue (including fruit, vegetables and grains) and water samples across the agricultural, horticultural, amenity and environmental sectors.

NIASA Accredited businesses receive a discount of 15% off all services offered by Phosyn Analytical.  Businesses wanting to take up this offer should contact GIA on (02) 8861 5100 or and request a special code to enable them to receive the quoted discount offered by Phosyn Analytical.  The complete range of services offered by Phosyn Analytical can be found on their website at

Grow Help Australia

Grow Help Australia is a service offered through the Queensland Department of Agriculture which provides pest and disease diagnostic services for all horticultural crops.  APPS accredited businesses are eligible for six free diagnostic tests each year with further tests available at a significant discount.  For further information on the services available to production nurseries through Grow Help Australia please visit the website below.

Australian Plant Production Standard (APPS) Technical Advisors 

Businesses engaged in the APPS can be supported by APPS technical advisors appointed by GIA.  APPS technical advisors must meet a number of criteria including but not limited to:

  • tertiary qualifications appropriate to horticulture, plant science agriculture or environmental management (majoring in plant based content)
  • technical competence in production nursery practices,
  • chemical application certification.

APPS technical advisors may be able to assist businesses in a number of ways such as preparing to meet audit requirements or through the provision of technical advice to improve on site operations.

Technical advisors may be available through levy funded mechanisms or through a fee for service basis.

The following lists the currently appointed APPS Technical Advisors.

John McDonald

Mob – 0419 683 457 

Email –

John joined GIA in February 2016 to lead the industry biosecurity program as the National Biosecurity Manager.  Prior to this John worked with NGIQ for 19 years as the industry development manager and where he drove the development of EcoHort and BioSecure HACCP.  John has extensive experience in the nursery industry with a broad knowledge of nursery production practices, plant protection and biosecurity systems and an in-depth understanding of the Australian Plant Production Standard (APPS).  John is the recipient of the 2018 Australian Biosecurity Award for outstanding contribution to the integrity of Australia’s biosecurity and the NGIA Award of Merit.

John holds the following qualifications and training:

  • Graduate Certificate in Plant Biosecurity
  • Associate Diploma of Plant Protection (Distinction)
  • Advanced Diploma of Horticulture
  • Advanced Diploma of Nursery Production
  • SAI Global Lead Auditor Qualification
  • Certificate IV in Training and Assessment
  • AusChem Accredited

Lex McMullin – Consultant Queensland, Northern New South Wales

Mob – 0409 263 572

Lex has considerable experience in the industry as a private consultant having previously been a nursery production manager for one of Australia’s largest NIASA accredited temperate fruit tree production nursery’s.  Lex is also employed by NGIQ where he has spent a number of years auditing the programs under the Australian Plant Production Standard in Queensland as well as being contracted by GIA for auditing across Australia and internationally.  Lex provides technical extension to growers under the Rural Water Use Initiative managed by NGIQ and consults to businesses across states and Territories.  Lex has an extensive knowledge of irrigation management and has provided consultation services on this topic over a number of years.

Lex holds the following qualifications and training:

  • Bachelor of Applied Science (Horticultural Technology)
  • Diploma of Irrigation Management
  • SAI Global Lead Auditor Qualification
  • ChemCert accredited

Steve Blyth – Plant Protection Officer Western Australia and Northern Territory

Mob – 0427 215 210

Email –

Steve joined GIA in December 2017 as a Plant Protection Officer and holds a considerable knowledge of production nursery management.  Steve’s experience includes firsthand familiarity of the APPS program gained through 20 years’ owning his own NIASA accredited production nursery.  He has also Lectured Horticulture, Conservation and land management and Landscaping at WA TAFE.

Steve holds the following qualifications and training:

  • Advanced Diploma of Horticulture
  • Certificate IV in Training and Assessment
  • SAI Global Lead Auditor Qualification
  • ChemCert accredited

Emma De Landre – Plant Protection Officer New South Wales

Mob – 0409 737 801

Email –

Emma joined GIA in February 2020 as a Plant Protection Officer and has a strong background in propagation, plant production and nursery management.  Emma’s experience includes nursery management for a largescale hazelnut producer in the NSW Riverina and Project Management of the National Arboretum Canberra during its development.  Prior to this Emma worked in nursery roles encompassing retail, production and teaching at the Canberra Institute of Technology.

Emma holds the following qualifications and training:

  • Diploma in Horticultural Business
  • Diploma of Horticulture
  • Cert IV in Training and Assessment
  • SAI Global Lead Auditor Qualification
  • Chemical Accreditation AQF4
  • First Aid

Kimberley Thomas – Plant Protection Officer Victoria and South Australia

Mob – 0419 864 746

Email –

Kimberley joined GIA in February 2020 as a Plant Protection Officer with a background in plant biosecurity, retail and production horticulture. Kimberley has over 25 years’ experience working in the Horticultural industry including as a Plant Biosecurity Officer with the Commonwealth Department of Agriculture’s Plant Quarantine Facility at Knoxfield in Victoria.  Kimberley worked closely with plant importers from around the country, facilitating the safe entry of new plant material into Australia.

Kimberley holds the following qualifications and training:

  • Associate Degree of Horticulture (Distinction)
  • SAI Global Lead Auditor Qualification
  • ChemCert accredited

Barry Naylor – Plant Protection Officer Queensland and Northern New South Wales

Mobile – 0413 733 313

Email –

Barry joined GIA in mid May 2021 as the dedicated Plant Protection Officer, with more than a 20 year background in nursery production as a business owner and 15 years in industry RD&E delivery in Queensland.  Barry has experience in NIASA BMP adoption, EcoHort education and adoption, Irrigation BMP and cost benefit analysis, climate change adaptation, invasive plants and natural disaster recovery and resilience program delivery.

Barry has the following qualifications:

  • Associate Diploma Farm Management (Horticulture) with Distinction
  • Certificate IV Training and Assessment
  • SAI Global Lead Auditor Qualification
  • ChemCert Accreditation

David Reid – Victoria, South Western New South Wales and Tasmania

Mob – 0421 885 257

Email –

David is the Policy and Technical Manager at NGIV where he focuses upon state policy and technical issues. Prior to this, David was the NGIV Industry Development Officer.  David was previously employed by the Victorian Department of Primary Industries in various diverse roles including as a Plant Standards Officer.  His extensive involvement in auditing the APPS for Victorian and Tasmanian businesses and his prior employment with the VIC DPI enables him to bring considerable experience to growers in the APPS.

David holds the following qualifications and training:

  • Master of Environment (Biosecurity/Public Policy)
  • Bachelor of Science (Botany)
  • SAI Global Lead Auditor Qualification
  • ChemCert accredited

Technical support for industry may be provided by GIA under a funded project(s) or through the various state/territory Nursery & Garden Industry peak bodies as a member benefit or a fee for service activity.  Please contact the relevant body to seek information on the services provided.

National (GIA) – 02 8861 5100.  Email:

Queensland (NGIQ) – 07 3277 7900.  Email:

New South Wales (NGINA) – 02 9679 1472.  Email:

Victoria (NGIV) – 03 9576 0599.  Email:

Tasmania (NGIT) – or

South Australia (NGISA) – 08 8372 6822.  Email:

Western Australia (NGIWA) – 0419 930 008.  Email:

Northern Territory (NGINT) – 08 8983 3810.  Email: [/vc_column_text][/vc_column][/vc_row]