Seed testing

A seed testing service is provided by Seed Services Australia to seed growers, companies, processors, resellers, importers/exporters, research institutes, universities and the wider farming community.

Seed testing analyses the physical qualityof a seed line. A sample of seed is drawn from a seed line and is tested according to International Seed Testing Association (ISTA) procedures. Results of the analysis relate to the sample as received unless drawn from a seed lot that meets the conditions for the issuance of a Certified or ISTA Certificate of Analysis.

Types of seed tests

Commonly conducted seed tests:

  • Purity analysis
  • Germination analysis
  • Weed seed search
  • Seed identification
  • Weight determination (1000 seed weight)
  • Tetrazolium
  • Sprouting
  • Moisture content
  • Vigour
  • Quarantine inspection.

Additional seed and crop tests (fungal, nematode, bacteria, ARGT)

How to submit a seed sample for testing

  1. Complete a Application for Commercial Seed Testing or PDF version (PDF 114.3 KB).
  2. Send completed form with the seed sample to the postal address below.

Test results

Test results are issued on a 'Certificate of Analysis' and are also available in PDF format through the 'Seeds Online' system.

Seeds Online

The Seeds Online system provides access to the results of seed samples tested by Seed Services Australia.

More information about Seeds Online


Seed Services Australia
Phone: 1300 928 170 or (08) 8303 9549
Fax: (08) 8303 9508


Seed Services Australia
Plant Research Centre
Gate 2A Hartley Grove
Urrbrae SA 5064

Postal address

Seed Services Australia
GPO Box 1671
Adelaide SA 5001

Page Last Reviewed: 22 Jul 2020
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