Children have enjoyed playing with nesting dolls for years and years. You know the ones — where opening one doll leads to finding another, smaller doll inside. What does a delightful children’s toy have to do with pea aphids in lentil crops? Let’s explain. Pea aphids are parthenogenic and much like the beloved nesting dolls,… Read More
Category: Aphids
Grasshoppers devastated many fields last year over large parts of the Prairies. Of the over 80 species of grasshoppers found on the Prairies, only four are pests — but in sufficient numbers they are a huge concern. After several years of building populations, the pest is still likely to be an issue this year but… Read More
Insect problems often come in cycles, waves, and even by stiff breezes. Knowing which pests are carried in, purposefully march in, or overwinter is key to determining when in the year to begin scouting and where to look. From sticky traps to sweep nets, the insect population in any crop is staggering. But not all… Read More
It’s been 20 years since soybean aphids were first reported in Ontario soybean fields. Over the years, growers and researchers have learned that no two years seem to be the same and populations of the yield-robbing pests vary from year-to-year. There has, however, been significant changes to aphid behaviour over the years and this evolution… Read More
Get ready for our year-end wrap-up of The Agronomists! For this episode, host Lyndsey Smith asks the panelists from across Canada what the top weather, disease, insect, and weed challenge were for the 2022 growing season. To cover everything from flea beetles, surprising yields, and noxious weeds, our special guests are Jeremy Boychyn of Alberta… Read More
There’s so much going on this week in agriculture! In the west, field days are winding down, but there are still a few chances for Ontario growers to participate in some learning events, including an upcoming field day on compaction. Peter “Wheat Pete” Johnson is encouraging all to attend, and also covers the top agronomic… Read More
Pea aphids love to feed off the sap flowing to new pods on the plant. The trouble is, just two aphids per plant at the right stage can siphon off as much as five per cent of yield. Laura Schmidt, production specialist with the Manitoba Pulse and Soybean Growers, says that modern pea varieties are… Read More
If your idea of a beneficial insect is one that sits back and waits for dinner to crawl on by, you’ve likely never heard about the secret lives of lacewings. Green lacewings are nothing short of ferocious, and, as Dr. Tyler Wist of Agriculture and Agri-Food Canada explains, they’re more like aphid-hunting lions than laid-back… Read More
Mitigating pests will always be a top priority for many, but how much of a role can Mother Nature play in that process? In our season premiere of the Pests & Predators podcast, we’ll be talking about the relationship between unwanted pests and insects. This time we’re adding in a third element: weather. Host Shaun… Read More
Normally a week or so behind the winter barley crop, Ontario farmers are nosing into the wheat harvest a little early as the two crops are ready at about the same time. From an aphid alert on soybeans, to sneaky root rots, and potash deficiency showing up in corn, Peter “Wheat Pete” Johnson has the… Read More