Leaf twisting, burning, cupping, or crinkling — those are just some of the signs that a crop may be suffering from herbicide injury. Why do herbicides cause crop injury? University of Guelph weed researcher Dr. Peter Sikkema says injury causes can be classified into seven basic categories. That list includes extreme weather, unique or variable… Read More

It is the year of the dandelion. The hardy perennial pests are bigger and more plentiful in fields across Ontario than farmers can ever remember. University of Guelph weed scientist Peter Sikkema has been fielding many questions about why the weed is so abundant this spring and how best to control it. When it comes… Read More

Welcome to this Agronomic Monday edition of RealAg Radio! We’ve got a great lineup for you here today. You’ll hear: Marissa Robitaille Balog of the Canola Council of Canada, on a recent Canola School episode on using a pre-emerge herbicide; Peter Sikkema of the University of Guelph Ridgetown Campus, on tackling herbicide-resistant fleabane; and Peter… Read More

Waterhemp that’s resistant to multiple herbicide groups continues to march across Ontario, but growers still have options to control the weed. There’s also emerging proof that integrated management could help growers take the fight to the spreading yield robber, says University of Guelph weed scientist Dr. Peter Sikkema. At the Ontario Agricultural Conference earlier this… Read More

Glyphosate resistant waterhemp has spread from Essex Country, Ontario, all the way to Leeds-Grenville County, nearly 700 kilometres away in just seven growing seasons. While the exact path of spread is not known, Dr. Peter Sikkema, weed management professor with the University of Guelph, says that introduction can be through wind dispersal, in livestock feed, or… Read More

The annual Ontario field crop diagnostic days held at Ridgetown, Elora, and Winchester will again go virtual in 2021. The organizing committees of these three highly successful in-field education and learning events are again partnering with crop researchers and extension, along with support from RealAgriculture and a host of sponsors to bring you a series… Read More

When glyphosate-resistant waterhemp was first discovered in Lambton County in 2014, University of Guelph weed scientist Peter Sikkema never imagined the course the weed would take across Ontario, or the speed it would travel. In 2020, Sikkema and his team collected seeds in Leeds & Grenville County. “So that means glyphosate-resistant waterhemp has moved 700… Read More

We’ve got a great Agronomic Monday edition of RealAg Radio for you today. You’ll hear: Robyne Bowness Davidson, pulse crop specialist at Lakeland College, on the critical weed-free period and herbicide carryover; Matt Chapple, market development agronomist at PRIDE Seeds, on getting soybeans off to a good start; Joanna Follings, cereals specialist at OMAFRA, and… Read More

Seven agricultural leaders will be inducted into Ontario Agricultural Hall of Fame in a virtual ceremony later this year. This year’s inductees are Stan Eby, Roger George, Herbert Norry, Delbert O’Brien, the late Terry O’Connor, Dr. Peter Sikkema and the late Doug Williams. Each are being recognized for their life-long contributions to Ontario’s agriculture sector…. Read More

Welcome to an agronomic Monday AND the start of the Christmas week (only 4 more sleeps!). On today’s show you’ll hear: Raymond Gadoua, of WCCRRC and the Canola Council of Canada, on how new canola varieties are selected; Peter Sikkema, professor of field crop weed management at the University of Guelph. He’s talking about herbicide… Read More

It’s time for another episode of agronomic Monday on RealAg Radio. Currently cold winds and snow are covering a vast majority of the country; however, we can still talk about the growing season to warm us up a little! Today’s show features: Dr. David Zaruk on agriculture’s battle with activists to remain viable in 2019. … Read More

 

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