Test your cutworm knowledge with these four questions, including a "dry soils" angle…
Insects
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Synthetic pyrethroids (Decis, Matador/Silencer, for examples) benefit from late-day spraying because they should be applied when temperatures are below 25°C…
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Alberta, Saskatchewan and Manitoba will be doing bertha armyworm and diamondback moth surveys again in 2018. To put up a trap and help with the monitoring program (including trap checking), please contact your provincial entomologist: Alberta: Email Shelley Barkley at Shelley.Barkley@gov.ab.ca or Scott Meers at Scott.Meers@gov.ab.ca Saskatchewan: Email James Tansey at james.tansey@gov.sk.ca. Manitoba: Email John Gavloski at john.Gavloski@gov.mb.ca…
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A reader from southeast of Saskatoon emailed this question: I had a field with bertha armyworms on the perimeter in 2017. Numbers were not quite enough to reach spray thresholds, but very close. (I likely should have sprayed the perimeter.) My plans are to seed the field next to it to canola this year. Will this second field likely have…
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The Field Heroes website shows how natural enemies can help manage insect pest populations. Scouting is still necessary because beneficial insects do not always keep pest damage below economic levels, but spraying without consideration for economic thresholds can hurt the farm bottomline and also cause unnecessary damage to these beneficial insects…
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With each canola seed decision, growers face this question: Would a seed treatment upgrade to improve management of flea beetles and cutworms provide a return on investment? A review of flea beetle and cutworm scouting notes from the past few years will help with this decision…