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Tag: insect resistance management

What Does ECB Resistance to Cry1Ab Mean ?

Posted on May 3, 2023 (May 3, 2023) by Tracey Baute

Last week, we announced that a population of European corn borer (ECB) likely resistant to Cry1Ab was found in Nova Scotia last fall. In case you missed it, here is that announcement: Suspected Cry1Ab Resistant European Corn Borer Found in Nova Scotia. This finding is concerning, as the ECB populations in the area were previously […]

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Suspected Cry1Ab Resistant European Corn Borer Found in Nova Scotia, Canada

Posted on April 27, 2023 by Tracey Baute

Canadian Corn Pest Coalition News Release April 27, 2023 In the fall of 2022, a European corn borer (ECB) population was collected near Truro, Nova Scotia near a field where a Cry1F-resistant ECB population was collected in 2018. Based on bioassay tests conducted by Drs. Jocelyn Smith and Yasmin Farhan at the University of Guelph, […]

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Does spraying Bt corn for Western bean cutworm make sense?

Posted on July 7, 2014 (April 22, 2016) by Tracey Baute

Author: Jocelyn Smith, University of Guelph, Ridgetown Campus Growers in the high WBC risk areas (sandy soils) saw heavy infestations of WBC in 2013 and many were surprised by the survival and amount of damage by WBC on Bt corn. Bt corn hybrids that express the Cry 1F insecticidal protein such as the Herculex® and […]

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