The inaugural 2023 Ontario corn hybrid DON screening trial report is available on GoCorn.net.
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Ontario corn hybrid DON screening trials were initiated by the Ontario Corn Committee in 2019 following high DON levels in the 2018 corn crop. Hybrid susceptibility is one of the greatest factors influencing DON accumulation in corn (second only to weather), and the greatest factor that can be controlled by agronomic practices. Ontario growers can reduce DON risks through hybrid selection and management and have asked for DON hybrid testing for many years.
Starting in 2019, the Ontario Corn Committee (OCC) refined protocols for testing hybrid sensitivity to DON accumulation with confidence based on an assessed risk. This inaugural report provides a risk assessment of hybrids entered in the 2023 trials, along with a multi‐year assessment on the same hybrids if data were available.
Hybrids were entered voluntarily by seed companies and all hybrids are compared against a “check” hybrid known to be highly sensitive to Gibberella Ear Rot and DON accumulation. Hybrid results are displayed as an index value relative to this high check hybrid. This data serves as a relative risk assessment of hybrids that can be used with other information sources (e.g., seed company information, field trial results, etc.) to improve hybrid decisions.
The project was led by Dr. Dave Hooker, University of Guelph and Albert Tenuta, OMAFRA. Corn hybrid seed companies voluntarily participated in this trial. Financial support was provided by OMAFRA, the Canadian Agricultural Partnership and Sustainable Canadian Agricultural Partnership, Grain Farmers of Ontario, Greenfield Ethanol, Ingredion, Ontario Pork, Suncor and participating seed companies including Brevant, Country Farm Seeds, CROPLAN, Dekalb, Maizex Seeds, NK Brand, Pioneer, Pride Seeds and Saatbau.
About the Ontario Corn Committee
The Ontario Corn Committee is made up of representatives from Agriculture and Agri-Food Canada; Ontario Ministry of Agriculture, Food and Rural Affairs; University of Guelph; Ontario Soil and Crop Improvement Association; Grain Farmers of Ontario; Ontario Agri Business Association; Ontario Certified Crop Advisors and Seeds Canada. Hybrid tests are conducted each year by the following cooperating agencies: University of Guelph, Ridgetown Campus; University of Guelph Plant Agriculture Department; University of Guelph, Winchester Research Station; Kent Ag Research Inc.; and Agriculture and Agri-Food Canada (Ottawa).
Source: Farmtario.com