Cutworms of All Kinds

It is safe to call 2024 a good pest year. Mild winters and warm springs tend to help pests overwinter well or expand their range further than usually and get ahead of crops when soil conditions delay planting. Armyworm and cereal leaf beetle are continuing to show up in some wheat fields, while some grubs […]

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Alfalfa Weevil

This article was originally written by Joel Bagg in 2013. It was edited May 1st, 2023 by Christine O’Reilly to reflect current insecticide options to control alfalfa weevil. Alfalfa weevil can be an issue in Ontario, particularly in south-western parts of the province. While outbreaks tend to be isolated, they can be severe and dramatically […]

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Canadian Bt Trait Tables for 2024

The Canadian “Bt” Corn Trait Tables for 2024 are now available: English:  Canadian Bt Corn Trait Table for April 2024 French:  Maïs exprimant des protéines insecticides disponibles au Canada (Avril 2024) Bt is in quotes because RNAi (RNA interference) technology, which is not a Bt trait, is now offered in some of the packages for […]

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Managing Barley Yellow Dwarf Virus in Oats

Barley Yellow Dwarf Virus (BYVD) effects a wide range of grass hosts including wheat, oats and barley with oats being considered the most susceptible crop. In some regions of the province, BYDV has been reported as having a significant negative impact on oat yields. Appearance: The primary symptoms of BYDV include stunting and yellowing, reddening […]

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NEW LINK for the Great Lakes and Maritimes Pest Monitoring Network!

The Great Lakes and Maritimes Pest Monitoring Network (GLMPMN) website has been upgraded and has a new permanent link: https://experience.arcgis.com/experience/7164d23d488246d198dcf7a07d8c9021 Please bookmark this new link and use it going forward to enter any trap sites and trap data. The same link should work well for both desktop browsers and mobile devices. Everything is still the […]

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Scout Bt Corn for Signs of ECB Injury

In case you missed it, we announced earlier this year that ECB populations were found in Nova Scotia in the fall of 2022 that are resistant to Cry1Ab Bt protein used to control ECB in Bt corn. Given the level of injury found, the resistance was developing over a number of years and went unnoticed. […]

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