Effectively Managing Stripe Rust

Co-authored with Albert Tenuta, Pathologist, Field Crops In 2016 the milder winter conditions resulted in early leaf and stripe rust infections in Tennessee and Kentucky. This resulted in rust spores being blown into Ontario earlier than we typically see. By mid-May 2016, stripe rust was prevalent in most areas of southwestern Ontario. Growers who selected […]

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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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Ontario Corn Hybrid DON Screening Trials Now Available

The inaugural 2023 Ontario corn hybrid DON screening trial report is available on GoCorn.net at http://www.gocorn.net/OCC_DON_Report_2023_Final_20230212.pdf. 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 Gibberella Ear Rot (Figure 1) and […]

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2023 Ontario Grain Corn Ear Mould and Deoxynivalenol (DON) Mycotoxin Survey

OMAFRA field crop specialists in collaboration with Grain Farmers of Ontario (GFO) and members of the Ontario Agri-Business Association (OABA) have completed the annual Ontario corn ear mould and DON mycotoxin survey. Corn ear moulds such as Gibberella and their corresponding mycotoxins occur every year in Ontario. These mycotoxins, particularly deoxynivalenol (DON, also referred to […]

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2021 Ontario Grain Corn Ear Mould and Deoxynivalenol (DON) Mycotoxin Survey

Co-authored with Albert Tenuta, Field Crop Pathologist, OMAFRA. OMAFRA field crop specialists in collaboration with Grain Farmers of Ontario (GFO) and members of the Ontario Agri-Business Association (OABA) have completed the annual Ontario corn ear mould and DON mycotoxin survey. Corn ear moulds such as Gibberella and their corresponding mycotoxins occur every year in Ontario. […]

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High Risk of White Mould in 2021

The incidence and severity of white mould (Sclerotinia sclerotiorum) is highly dependent on favourable weather conditions for the disease during soybean flowering. White mould prefers temperatures below 28 degrees C, moist soils, and high humidity.  Conditions over the last few weeks have been ideal for the disease in much of Ontario. It’s important to know […]

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2020 Ontario Grain Corn Ear Mould and Deoxynivalenol (DON) Mycotoxin Survey

Co-authored with Albert Tenuta, Field Crop Pathologist, OMAFRA OMAFRA field crop specialists in collaboration with Grain Farmers of Ontario (GFO) and members of the Ontario Agri-Business Association (OABA) have completed the annual Ontario corn ear mould and DON mycotoxin survey. Corn ear moulds such as Gibberella and their corresponding mycotoxins occur every year in Ontario. […]

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