Bertha armyworm outbreaks tend to occur in cycles. At high numbers, they can eat a lot of pods in a short amount of time.
Cabbage seedpod weevil management in canola
Spraying is rarely recommended before the canola crop reaches 10% flowering stage. Three reasons to wait are….
Cutworm management in canola
Cutworms are a common crop pest of the Canadian Prairies. When scouting shows crop loss at threshold, consider a targeted insecticide spray.
Flea beetles management in canola
This article has tips for better canola crop establishment and tips to improve results for in-crop insecticide applications.
Grasshopper management in canola: Thresholds, identification, and control strategies
Whether they’re young nymphs or mature adults, if grasshoppers are present at numbers and crop damage is getting worse, spray.
How to assess leaf area loss from flea beetles
The action threshold for flea beetles in canola in Canada is an average leaf area loss of 25 per cent or more. To make that assessment…
Lygus bugs management in canola
Sweep for lygus bugs at late flowering and pod stages of canola. The standard threshold is 20-30 adults and late-instar nymphs per 10 sweeps.
The flea beetle spray decision: 8 steps
Slow-growing crops under intense flea beetle pressure may require foliar insecticide. Here are 8 steps to make the spray decision.
Watch for and report new canola pests
Learn which emerging canola pests to watch for on the Canadian Prairies, what symptoms to look for and who to contact if you find an unfamiliar insect or unusual crop damage.