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International Seed Testing Association
International Seed Testing Association
Richtiarkade 18
8304 Wallisellen, CH
+41 44 838 60 00
International Seed Testing Association


  • ISTA Presentation

    To access ISTA presentation 'Ensuring Seed Quality by Uniformity in Seed Testing', which contains essential information about the association, please click here

  • ISTA Position Papers
    • Position Paper on ISTA's view regarding the unit for the reporting of quantitative results on the presence of seeds with specified traits in conventional seed lots. Open here.
    • Position Paper on ISTA's Strategy regarding Methods for the Detection, Identification, and Quantification of Genetically Modified Seeds in Conventional Seed Lots. Open here
    • ISTA Position Paper on Quantifying and Reporting Uncertainty of Measurement in Seed Testing. Open here.
    • Position Paper concerning the Increase or Repeal of ISTA Maximum Seed Lot Size. Open here.

    The Memorandum of Understanding between ISTA and APSA, aiming to strengthen seed testing, science and technical capacity-building in Asia-Pacific, may be reviewed here.

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