Botanic Gardens Trust, Sydney, Australia

Plant Disease Diagnostic Service

Ensuring sustainable plant health …

The Plant Disease Diagnostic Unit provides a range of plant pest and disease identification services to industry, government and private customers. 

Range of services

  • disease diagnosis
  • pathogen isolation
  • fungal identification (including mushrooms and wood decay fungi)
  • advice and treatment recommendations
  • tree root identification


  • better management of pests and diseases
  • healthier plants
  • better management of parks and gardens
  • reduced use of chemicals

We specialise in

  • isolation of soilborne diseases
  • diseases of trees and palms
  • DNA identification of wood decay fungi

Plant Pathology staff


  • Edward Liew (Manager) - disease diagnostics, pathogen populations, fungal phylogenetics, tropical crop diseases, Fusarium, Phytophthora


  • Brett Summerell (Deputy Executive Director) - Fusarium, fungi of Australian native plants
  • Matthew Laurence (Senior Technical Officer)
  • Zoe-Joy Newby (Scientific Officer; temp)


Deliver specimens to

Plant Disease Diagnostic Unit
Royal Botanic Gardens & Domain Trust
Mrs Macquaries Rd
Sydney NSW 2000

Click here to find out about collecting and packaging your samples

Click here for service costs

Other contact details

Telephone: (02) 9231 8186
Facsimile: (02) 9241 1135