Canadian Bt Corn Trait Tables for April 2021

The Canadian Bt Corn Trait Tables have been updated for April 2021. English:  Canadian Bt Corn Trait Table for April 2021  French: Maïs Bt disponibles au Canada (Avril 2021) For information on which hybrids or products have obtained EU approval, visit the Canadian Seed Trade Association’s corn hybrid database at: https://seedinnovation.ca/hybrid/ Pour plus d’informations sur les hybrides […]

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Taking Root: Management Options for Bt-Resistant Corn Rootworm on Ontario Farms

This webinar features OMAFRA specialists who provided an update on Bt-resistant corn rootworm, the impact on cropping systems and feed supplies, mitigation strategies to reduce the impact of Bt corn rootworm resistance, and alternative feeding options. While this webinar is open to anyone, it is geared towards cattle producers (dairy and beef). The webinar aired […]

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Non-corn options for livestock producers to manage Bt-resistant corn rootworm

In fields where Bt rootworm corn hybrids have been used for more than three consecutive years, resistance among corn rootworm populations is suspected. Growers can no longer rely solely on Bt hybrids for protection against rootworm injury. The best management practice to reduce the resistant rootworm population is to rotate out of corn for at […]

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Forage Options to Replace Silage Corn

Key Points: Rotating out of corn is the most effective way to reduce populations of Bt-resistant corn rootworm. To replace silage corn for 2021, establish fall rye or winter triticale immediately after 2020 silage corn harvest. After the cereal silage comes off in mid-May, establish sorghum-sudangrass and take two cuts. An energy source will need […]

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Continuous Corn Growers Should Check Fields for Rootworm Resistance to Bt Hybrids

Canadian Corn Pest Coalition News Release: Corn rootworm (CRW) has historically been one of the most important pests of corn in Canada and can cause extreme economic loss and increased management costs.  High CRW pressure in Ontario in 2020 is challenging current Bt corn rootworm hybrids and several growers of Bt rootworm hybrids are reporting […]

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