Pigweeds: Current and Emerging Weed Threats in the Pacific Northwest

Albert Adjesiwor, Timothy S. Prather and Joel Felix
PNW 758 | Published November 2021, Reviewed 2023

Summary

Pigweed is an invasive plant pest usually found in disturbed areas, like farmland and along roadsides and fencelines. Because their aggressiveness can reduce crop yields, this PNW discusses how to prevent or curtail their spread in the region by learning how to identify them, their impacts, and the most effective control options (sanitation, mechanical, cultural, and herbicidal methods).

About the authors

Albert Adjesiwor
Assistant Professor and Extension Specialist
Department of Plant Sciences, University of Idaho
Timothy S. Prather
Professor, Invasive Plant Biology
Department of Plant Sciences, University of Idaho

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