Weed Research and Information Center

It is with great sadness that we share the passing of Dr. Jodie Holt, a longtime faculty member in the Department of Botany and Plant Sciences at UC Riverside, who passed away April 27, 2026.

California’s processing tomato industry, for the first time this past harvest season, agreed to voluntary equipment cleaning and notification guidelines to prevent the spread of branched broomrape, a parasitic weed that attaches to roots and sucks out key nutrients.