A newer revision exists, please see EM 9254. In a proactive effort to identify pest management priorities and increase use of Integrated Pest Management in onions, growers, commodity-group representatives, pest control advisors, university specialists, and other technical experts from the Treasure Valley in Oregon and Idaho provide an overview of onion production and discuss critical production concerns and the basics of IPM in onion production in this region. They describe each pest and its biology and life cycle. Readers will gain an understanding of whole-season management practices and constraints, as well as an analysis of management practices and challenges organized by crop life stage.
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