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Test round 11-3 T.pra started with the shipment of three samples of Trifolium pratense seed: three for purity, other seed determination and germination testing. In addition, an extra sample with a seed mixture was included in this round. Dispatch date was September 21, 2011 and the deadline for reporting test results to the Secretariat was January 1, 2012. The deadline was extended to January 6, 2012. By this date 96% of the 142 participants had submitted their test results.
Preliminary test results are provided on the ISTA web site to allow the participants to review them. Preliminary results are the mean results of 10 samples that had been tested by the Test Leader prior to sample dispatch. The results are not necessarily the means that will be calculated but shall give a first indication of the seed quality parameters.
With publishing this preliminary test report, no further results are accepted for submission. Laboratories are kindly requested not to provide results of re-tests unless they wish to receive advice from the Secretariat or the Proficiency Test Leader on issues encountered or specific questions arising.
PT Chair contact data:
Günter Müller
Thüringer Landesanstalt für Landwirtschaft TLL Referat Saatgut
Postfach 100262
07702 Jena
DE-Germany
Phone: +49 3641 454213
Fax: +49 3641426224
Mail:guenter.mueller@tll.thueringen.de
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New issue of
SEED TESTING INTERNATIONAL (ISTA News Bulletin) No. 143 April 2012
More info »
REGISTRATION DEADLINE: MAY 15
ISTA Annual Meeting 2012
June 11-14, 2012
Venlo, The Netherlands
More info »
Reports available from the ISTA Annual Meeting 2011
held June 13-16, 2011
Zurich, Switzerland
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ISTA / ISF Experiment on Herbage Seed Lot Size
Technical Protocol and participating companies
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Outcome on the
World food security: urgent measures on seed needed
Second World Seed Conference 2009
held September 8-10,
in Rome, Italy
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ISTA Seed Mixture Experiment
to collect information that may be used to determine the reliability of seed mixture test results and establish tolerances.
More info »
Universal List of Species
ISTA list of 130 plant species that accredited laboratories may wish to include in their seed collections
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Position Paper on
ISTA's view regarding the units for the reporting of quantitative results on presence of seeds with specified traits in conventional seed lots
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Accreditation Documents for the Testing of Specified Traits
Related Documents for download
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ISTA's Memorandum of Understanding with FAO
Read the full Press Release
More info »
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