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International Association for Food Protection Elects Maria Hoffmann to Executive Board

Members of the International Association for Food Protection elected Dr. Maria Hoffmann to the Executive Board as Secretary. Dr. Hoffmann will take office at the conclusion of IAFP 2026 in New Orleans, Louisiana, and will fulfill a five-year commitment to the Association, serving as President beginning in July 2029.

Dr. Hoffmann is a Genomics Research Scientist in the Human Foods Program at the U.S. Food and Drug Administration (FDA) in Washington, D.C., where she leads national- and internationally-recognized initiatives to advance the genomic epidemiology of foodborne pathogens. Over the past two decades, she has worked at the intersection of science, public health, and food safety policy, developing advanced genomic methods, building global networks, and strengthening outbreak detection through whole genome sequencing (WGS). She began her public health career at the Institute for Hygiene and Environment in Hamburg before joining the FDA in 2007.

An active IAFP Member since 2014, Dr. Hoffmann is consistently recognized for her leadership and service. She has organized the annual Whole Genome Sequencing Workshop since 2016; convened numerous symposia and roundtables; and supported multiple IAFP Professional Development Groups (PDGs). She has also served as chair, reviewer, and judge for the Larry Beuchat Young Researcher Award; served on the Nominating Committee; and contributed four consecutive years to the Program Committee, including chairing the 2025 Annual Meeting in Cleveland, Ohio.

Dr. Hoffmann earned her Master’s in Food Chemistry and Ph.D. in Microbial Genetics from the University of Hamburg, Germany.


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R3 Corn Growth Stage Explained: Why Late-Season Tissue Sampling Matters

Video: R3 Corn Growth Stage Explained: Why Late-Season Tissue Sampling Matters

Corn pollination may be behind us, but the work isn't over.

In this field update from the Nutrien Innovation Farm in Champaign, Illinois, agronomist Tim Sickman discusses why growers should stay engaged with field scouting during the R3 (milk) stage of corn development. While favorable weather, strong pollination, and early grain fill are encouraging signs, important questions about crop nutrition and yield potential still remain.

Tim explains: What the R3 corn growth stage looks like

Why successful pollination isn't the finish line

The importance of late-season field scouting

How tissue sampling can identify nutrient deficiencies

The role of sulfur, zinc, potassium, and other nutrients during grain fill

Using tissue analysis to improve future fertility management plans

As corn moves through grain fill, understanding nutrient availability and plant health can provide valuable insights for maximizing yield potential and planning for next season.