Blister Beetles

black blister beetles

Description Blister beetles are very rare in Ontario but have been occasionally found in alfalfa fields north of Lake Erie. They are more common in arid climates, such as the U.S. Midwest, and are often associated with grasshopper infestations. The three most common species are the black blister beetle (Epicauta pensylvanica), the ash grey blister […]

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May 2022 Forage Report

Weather A derecho hit Ontario and Quebec along the Windsor-Québec City corridor on May 21st. High winds caused widespread power outages in central and eastern Ontario. Damage included downed/uprooted trees, snapped hydro poles, and several collapsed barns. Resources are available to help producers cope with stress and find mental health support. South and West According to […]

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Potato Leafhopper In Alfalfa

This article was originally written by Joel Bagg in 2012. It was edited June 27, 2023 by Christine O’Reilly to reflect current insecticide options to control potato leafhopper and the cessation of third-party alfalfa variety trials in Ontario. Potato leafhopper (PLH) is the most damaging alfalfa insect pest in Ontario in most years. While the […]

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Forages/Pastures and Excess Water

standing water drowned plants in a low spot in this pasture

Key Points: Forage and pasture plants are more tolerant of saturated soil conditions in early spring when they are growing slowly. Excess water increases the risk of root and crown diseases. Dig up plants to check for disease after the water has subsided. Flood water may leave behind silt that can smother a crop, raise […]

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April 2022 Forage Report

alfalfa in spring, 10 cm tall

Fall 2021/Winter 2022 Fall of 2021 was warm and open. Many regions of the province saw heavier fall growth in hay fields and pastures than normal because of the late killing frost. While this does not pose any issues for alfalfa, excessive top growth can cause smothering in grass/clover stands. Average to above-average precipitation between […]

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Haylage for Horses

a stack of wrapped round bales

In a year with higher than average rainfall, it can be a challenge to find a long enough window of dry weather to make high quality horse hay. These conditions sometimes prompt equestrians to investigate alternative sources of forage. How are forage crops preserved? Understanding how forage crops are preserved is the first step in […]

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The Ontario Phosphorus and Potassium Database

corn field with blue sky in background

Did you know that a review of Ontario phosphorus (P) and potassium (K) fertilizer guidelines was undertaken? The work looked at crop responses to P and K for corn, soybeans, winter wheat and alfalfa from 368 trials conducted over the last several decades. It compared most economic rates to current Ontario fertilizer guidelines as found […]

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August 2021 Forage Report

map of Ontario showing the percent of average rainfall received during August 2021

Ontario Hay Listings is a free classifieds service provided by the Ontario Forage Council. Producers looking to buy or sell hay or straw are encouraged to post an ad. AAFC’s Agroclimate Impact Reporter is interested in how weather impacts farms throughout the growing season (i.e. what’s really happening on the ground). This ag-sector citizen science […]

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Emergency Forage Soybeans

soybeans with mulch underneath

Forage soybeans are not normally recommended as an emergency forage. Forage soybean production has a steep learning curve. Successful producers started with a small acreage and took several years to learn how to manage this crop. Whole unroasted soybean seeds pose a risk of ammonia toxicity. Limit to 2-4 lbs/head/day. Protein exceeding animal demand will […]

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June 2021 Forage Report

map depicting the percent of average precipitation received across Ontario in June 2021

Regrowth rates of hay fields following a cut and pastures following a grazing event is dependent on rainfall. Areas that received below-average rainfall may experience slower regrowth. Producers looking to buy or sell hay are encouraged to check out the new and improved Ontario Hay Listings website Southwest According to AAFC, most of the area […]

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April 2021 Forage Report

Winter of 2020-2021 was mild. Although snow cover was less than normal, there were relatively few thaws. A rapid thaw in early March melted most of the snow. The warm temperatures persisted for a few days, allowing perennial forages to break dormancy. Dry conditions throughout March with warm days and cool nights provided a window […]

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