Swede Midge in Canola Infosheet

An infosheet has been created that contains information on the swede midge life cycle, scouting for the pest in canola, and control options relevant to Ontario producers. Please click the link below to view the PDF. Swede Midge Infosheet Final 2016... Continue reading
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Stay Ahead of Cereal Leaf Beetle

Stay Ahead of Cereal Leaf Beetle
Cereal leaf beetle is starting to show up in some fields in Ontario. A few locations tend to experience a higher frequency of infestations including fields near Dresden, Bolton, Stayner, Seaforth, and Clinton. But this does not mean that other fields in Ontario are not at risk. Cereal lea... Continue reading
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Stand Loss Assessments for Ontario’s Neonic Regulations

Stand Loss Assessments for Ontario's Neonic Regulations
Once corn and soybeans emerge, keep an eye out for crop injury.  If you experience stand loss from wireworms, grubs, seedcorn maggot, bean leaf beetle (in soybeans only) or corn rootworm (in corn only), then you can choose to have an Inspection of Crop Pest Assessment done this spring.  If the... Continue reading
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Great Time to Scout for Wireworms and Grubs

Great Time to Scout for Wireworms and Grubs
Now is a great time to scout for wireworms and grubs. With the recent warm weather, soil temperatures have reached 10oC, which means that wireworm baits will be most effective right now and grubs will also be feeding close the soil surface. How much time there is to scout for these pests depends... Continue reading
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What Growers Can Do to Mitigate Dust Drift at Planting

What Growers Can Do to Mitigate Dust Drift at Planting
Before this brief cold wet weather some planting got started over the last week in some areas. The warmer weather had brought spring on into full bloom including dandelions, coltsfoot and some trees including maples, willows, popular and even fruit trees. With the flowers come the bees to forage, se... Continue reading
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Neonic Regulation Requirements “To Do List”

I'm big on "To Do Lists".  Some may even say I am obsessed with them. But they help me get things done. With the 2016 growing season approaching, it is a good time to review what the requirements are for using Class 12 pesticides (neonic treated corn and soybean seeds) in Ontario.  Here is a "To D... Continue reading
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Neonics and What Corn and Soybean Growers Need to Know Now

As of July 1, 2015, new requirements for buying and using neonicotinoid-treated corn and/or soybean seed are being phased in to allow growers to adapt to new requirements. This fall (2015) – to prepare for the 2016 growing season Required for Seed Order  To purchase and plant 50% or less of... Continue reading
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Western Bean Cutworm – Still Scout Corn and Now Dry Beans Too

Western Bean Cutworm - Still Scout Corn and Now Dry Beans Too
Trap counts are still quite high this week in Ontario which indicates that peak flight hasn't plateaued yet.  So there is likely still lots of egg laying happening.  Moths will prefer to lay eggs in later planted corn that is still in pre to early tassel stages or will find dry bean fields nearby.... Continue reading
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Which Stink Bug is it?

Which Stink Bug is it?
Lots of people have been sending in pics of eggs, nymphs or adult stink bugs and asking which stink bug it is. So I thought I'd try to help sort them out for you. There are predatory stink bugs and then there are plant feeding stink bugs. It is important to make sure you can ID the good ones from... Continue reading
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Checked Soybeans for Aphids Lately? You Should

Checked Soybeans for Aphids Lately? You Should
With the exception of the last few hot days, these slightly cooler than norm July temps are ideal for soybean aphid development. They can double their populations in a matter of days when temperatures are moderate. There haven't been many reports of threshold levels being found in the fields so I am... Continue reading
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Western Bean Cutworm Scouting Begins

Western Bean Cutworm Scouting Begins
A few tweets, text messages and reports from our scouts have indicated that WBC egg masses are being found in corn this week. The next two to three weeks are key for scouting and managing WBC for the bulk of the corn crop. Though the typical hot spots (eg. Bothwell area) are more prone to significan... Continue reading
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Western Bean Cutworm Update 2015

Western Bean Cutworm Update 2015
Author: Jen Bruggeman, Research Assistant, University of Guelph Ridgetown Campus Western Bean Cutworm traps have been up in Ontario for approximately 5 weeks, with nil to low catches being reported until now.  Just this week we have started to see an increase in moth captures, due to our res... Continue reading
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Soybean Aphid Scouting Begins

Soybean Aphid Scouting Begins
First flower open on soybeans means that they have reached the R1 stage. From this stage until the start of R6, where the pods on the top few nodes of the plant are filled with a swollen seed, soybean aphid thresholds kick in. A few fields were colonized earlier this spring but for the most part ... Continue reading
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Cereal Leaf Beetle and Alfalfa Weevil

Cereal Leaf Beetle and Alfalfa Weevil
Two pests that are starting to appear in Ontario fields include cereal leaf beetle and alfalfa weevil. Cereal leaf beetle: Both adults and larvae can cause damage by chewing long strips of tissue between the leaf veins, though most of the damage is done by the larvae in June. The larvae look ... Continue reading
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Watch for Black Cutworm Injury

Watch for Black Cutworm Injury
Some US states to our south have been reporting high numbers of black cutworm moths in their pheromone traps and are starting to see some black cutworm injury in newly emerging corn fields.  These moths are carried into Ontario via storm fronts. Once they arrive the adult moths look for weedy p... Continue reading
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