There are several pest species of aphids that attack crops in Canada. Some species are very host-specific, such as the soybean aphid, but others can be found on several plant hosts. Aphids are known to be able to build numbers incredibly rapidly and so require careful scouting during the growing season. To unpack what we… Read More
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It’s been a challenging year on many fronts, but here we are, yet again, gearing up for the new season. And that’s exciting! Rootworm, western bean cutworm, and flea beetles are just a few of the insects that are on the watch list for Tracey Baute, field crop entomologist with OMAFRA. James Tansey, entomologist with… Read More
The Cereal Leaf beetle seems to be rearing its ugly head in winter and spring wheat fields near Bolton, Stayner and Seaforth, Ontario. Tracey Baute, OMAFRA Entomologist and author of Bautebugblog.com reports threshold levels of the pest in those fields, with significant feeding seen on the flagleaf. Baute recommends spraying infested winter wheat with insecticides… Read More
The enemy of my enemy is my friend. That saying holds true for us at the insect level as well. Cool, wet spring conditions may have impacted some of the traditional parasites that prey on our enemy the true armyworm. Those parasites usually keep the true armyworm population under control, but less than ideal spring… Read More
Rain isn’t the only thing those constant storms have been carrying into Ontario. States south of Ontario have reported large captures of black cutworm moths, and some of those same moths have been riding the storm fronts into Ontario and laying eggs. The black moth eggs hatch and the larvae then move from the annual… Read More
Results of the 2023 Ontario corn rootworm (CRW) trap sites monitored through the Adult Corn Rootworm (CRW) Trap Monitoring Network have been released, tallying up the scope and scale of rootworm issues in the province and where farmers may need to make key decisions for 2024 based on risk level. Ontario provincial entomologist Tracey Baute… Read More
European corn borer wreaked havoc for decades in cornfields across North America before the adoption of transgenic traits (Bt) in the late 1990s effectively punched out the pest. Earlier this year at Southwest Crop Diagnostic Days at the University of Guelph’s Ridgetown campus, Ontario ministry of agriculture entomologist Tracey Baute noted that the yield-robbing insect… Read More
The Pest Management Regulatory Agency’s decision to restrict the use of lambda-cyhalothrin products for the 2023 growing season could have a significant impact on how growers manage corn, soybean and cereal crops this season. Lambda-cyhalothrin, the active ingredient in some the most commonly used insecticides growers use to control yield-robbing pests such as soybean aphids… Read More
It seems any time is a good time for the Wheat Pete 15 — that’s taking 15 minutes out of your week to call someone you haven’t checked in with in a while. This week, that reminder is especially poignant, as you’ll hear in Wheat Pete’s Word, below. Also in this week’s podcast, host Peter… Read More
Corn rootworm resistance to Bt proteins and hybrids is a growing concern for Ontario corn producers. In this video report from Ontario Diagnostic Days 2021, University of Guelph research scientist Jocelyn Smith helps growers understand corn rootworm’s life cycle and how to rate corn roots for rootworm injury. She also discusses how growers can work with researchers to… Read More
Goooood day. In this episode of the Wheat Pete’s Word, your host Peter “Wheat Pete” Johnson gives updates on all things ag related in Ontario, and beyond. Also in this week’s episode, Johnson has advice for scouting for fall armyworm in winter canola, when to harvest beans, corn stability, and much more. Listen on! Have… Read More
Corn and soybean insects and disease are the focus of Day 3 of Ontario Diagnostic Days. The annual Ontario field crop diagnostic days held at Ridgetown, Elora, and Winchester are again virtual in 2021. On this episode, host Shaun Haney is joined by OMAFRA field crops entomologist Tracey Baute to discuss growing concern about corn rootworm… Read More
Soybean aphid numbers are building quickly in several fields in Ontario, and farmers have already had to book an insecticide pass to get ahead of the pest. In this week’s Wheat Pete’s Word, host Peter Johnson says reports have come in from the Milverton area and Eastern Ontario with aphids at or above threshold. It… Read More
Surprise! Shaun Haney is hosting this episode after Lyndsey’s internet decided to give up the ghost. On this episode of The Agronomists, Haney is joined by Steph Berlett with Brussels Agromart, Ont., and Jennifer Otani with Agriculture and Agri-Food Canada at Beaverlodge, Alta., to talk about current insect issues, integrated pest management, scouting tips, and… Read More
Last week’s insect alert of weevil hitting second-year alfalfa fields has now been expanded to include the potato leafhopper and more acres. Leafhopper can be especially hard on newly-seeded alfalfa, even if it is a resistant variety. The resistant trait is not expressed in the first growing season, explains Peter Johnson, resident agronomist for RealAgriculture…. Read More