Understanding the Impact and Measures Needed to Address Bt Resistant Rootworm

Why be concerned about the Bt resistant rootworm populations showing up in Ontario? Dr. Jocelyn Smith, University of Guelph Ridgetown Campus stands in a field that has cross resistant rootworm.  The grower experienced more than 50% yield loss in this 2nd year silage corn field planted with a pyramid hybrid in 2020.  Jocelyn discusses the […]

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