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National Seed Health System: Crucial to Global Seed Trade

Professor of Plant Pathology,
Professor of Plant Pathology

Gary Munkvold is Professor of Plant Pathology at Iowa State University, specializing in Seed Pathology. He holds a PhD from the University of California, Davis, and he has worked for more than 25 years in research, extension, and teaching in the Department of Plant Pathology (now PPEM) and Seed Science Center at Iowa State University. He also held a position with Pioneer Hi-Bred Int., Inc., (now Corteva Agriscience) as Research Coordinator for Pathology, Entomology, and Seed Science. His research program includes work on detection and management of seedborne pathogens; seedling disease management; and epidemiology and management of mycotoxin-producing fungi in corn. He teaches seed pathology and chairs the ISU on-line Graduate Program in Seed Technology and Business. He is Co-Director of the Administration Unit for the U.S. National Seed Health System, which works to improve seed health testing methods and facilitate seed exports. Dr. Munkvold is a Fellow of the American Phytopathological Soc. and was awarded the 2019 Iowa Regents’ Award for Faculty Excellence.

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In an industry where global operations are paramount, the National Seed Health System plays a key role in ensuring that seeds moving across international borders meet stringent phytosanitary standards. Established more than two decades ago through collaboration with the American Seed Trade Association (ASTA) and the USDA, the NSHS was designed to serve as a bridge between seed producers and regulatory agencies, ultimately streamlining the phytosanitary certification processes. 

Since its inception, the NSHS — administered by Iowa State University’s Seed Science Center— has experienced significant growth, now encompassing 31 accredited participants. This expansion reflects unwavering commitment to addressing the increasing demand for rapid phytosanitary certification among seed companies active in international trade. The accelerated pace of seed breeding programs necessitates quicker turnaround times, prompting the NSHS to further enhance its resources and capabilities.

A noteworthy development this year is the rollout of our proficiency testing plan. This important requirement reinforces our dedication to scientific rigor and bolsters the confidence our trading partners can have in our processes. We’re not only enhancing the credibility of the certification process but also ensuring we remain relevant in today’s dynamic agricultural landscape.

Throughout my 18-year-tenure as co-director of the NSHS, I’ve gained valuable insights into the challenges we face as industry demands continue to shift. The necessity for quick adaptation to new testing requirements — especially from important trading partners like Chile, which has recently introduced new import regulations for corn seed— highlights the critical nature of our work. In a rapidly changing environment, it’s vital to maintain collaborations that enable us to respond swiftly to changing international standards while effectively meeting the needs of our partners in the seed industry.

But our work goes beyond compliance. Together with our industry and APHIS partners, we’re dedicated to preserving and promoting the integrity of plant health. Each seed that crosses international borders has the potential to become a new variety or food on a family’s table, ultimately contributing to global food security. As we continuously strengthen our systems and processes, we reaffirm our commitment to fostering a safe and reliable seed trade that benefits both producers and consumers.

By evolving our practices and enhancing our programs, the NSHS further demonstrates its position as a cornerstone of the agricultural sector. We’re more than just an accreditation program; we’re a crucial partner in the global food supply chain.