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Soybeans field have started flowering which means it’s time to be on guard for the arrival of soybean aphids, our most predominant insect pest in this crop. Soybeans are most vulnerable to yield loss during the R1 to R5 growth stage. Will this year be a problem or will we have smooth sailing? Only well…

Scouting Tips Watch the Scouting Video!! Note: The agronomist in the video should have also opened the clam leaf to check for pea aphids. Threshold and Control The economic threshold for control is two to three aphids/plant tip or 90 to 120 aphids per 10 sweeps (or nine to 12 aphids per single sweep). If…

There are a lot of good reasons to assess nodulation in your soybean and field pea crops. Most importantly, we recommend conducting nodulation assessments in fields with no previous history of these crops. But it’s also important to do assessments in fields where soybeans or field peas have been part of the previous crop rotations,…

Pest Species in Manitoba There are 85 grasshopper species in Manitoba, but only four have the potential to become crop pests, including the Migratory, Twostriped, Clearwinged and Packard grasshoppers. These species aren’t to be confused with katydids and leafhoppers, which are also commonly found in Manitoba. Life Cycle Grasshopper eggs are laid in the soil…

Overwhelmingly, faba beans are grown for the human food/food processing market in Manitoba. As a result, both yield and quality of the harvest become very important. Two summer insect pests are of particular concern. Let’s take a quick look: Pea Aphids Lygus Bugs And Remember…Pollinators are important to faba bean yield and should be considered…

After the white mould levels experienced in 2025, dry bean growers are going to be particularly vigilant and careful in 2026. Can’t blame them! With that in mind, growers and agronomists should be closely monitoring the weather and crop canopy conditions using any tool or technology at their disposal to target applications accurately. Here at…

As soybean crops move into flowering, questions are sure to be raised about whether fungicide applications are needed after the white mould levels we saw in some parts of the province in 2025. In anticipation of the questions, let’s take a closer look at the potential disease threats and what Manitoba On-Farm Network research has…