Category: Tar spot

It’s not just insects that may have a jump on the crop this year in Ontario — weeds are large and in charge, and diseases, such as tar spot, could blow up from the U.S. much earlier than last year. But that’s not all the agronomic knowledge you’ll glean from this episode of Wheat Pete’s… Read More

There are some problems you just can’t avoid — like ending up with wheat roots in drainage tile after big yields — but every challenge has a solution and it comes down to making hay while the sun shines. No, not actual hay, as we are in the critical harvest period, but if the soil… Read More

Sharing is caring, except for when it comes to crop diseases. Many of the diseases that impact corn have in fact been shared through spores in the wind at some point, but most have become endemic to the corn producing regions of Canada. For this episode of The Agronomists, host Lyndsey Smith is joined by… Read More

Peter “Wheat Pete” Johnson is back from a refreshing vacation full of family and fun, and he’s ready to share The Word once again. In this week’s episode, Johnson discusses tar spot risk, late white mould infection, aphid thresholds, and much more! Have a question you’d like Wheat Pete to address or some field results… Read More

Wet, humid conditions can cause corn diseases to advance quickly. The usual suspects are always a concern: Northern corn leaf blight, gibberella ear rot, and more, but a new-to-Ontario disease, tar spot, has been harder to predict when it comes to threat level. In 2022, early indications showed the disease was present but a dry… Read More

Corn growers who dodged the tar spot bullet last season are unlikely to be nearly so lucky this year, as the disease has been identified in southern Ontario and conditions are conducive to its spread. Peter “Wheat Pete” Johnson has that discussion on this week’s edition of Wheat Pete’s Word, plus an insect alert, an… Read More