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Dr. John H. Wiersema
Systematic Botany & Mycology Laboratory - United States Department of Agriculture Build. 011A, Room 304, BARC-W Beltsville, MD 20705-2350 USA Phone: +1 301 5049181 Fax: +1 301 5045810 jwiersema@ars-grin.gov
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Seed Science and Technology

Print and Online Subscription available for 2008 More info »

SEED TESTING INTERNATIONAL

(ISTA News Bulletin) No. 135 April 2008 is available for download More info »

ISTA Accredits its 100th Seed Testing Laboratory

Read the full Press Release! More info »

ISTA / ISF Experiment on Herbage Seed Lot Size

The ISTA / ISF Experiment on Herbage Seed Lot Size More info »

ISTA signs Memorandum of Understanding with FAO

Read the full Press Release More info »

Information Platform for GM Seed

Visit the info platform More info »

Accreditation Documents for the Testing of Specified Traits

Related Documents for download More info »
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