…but the Canola Encyclopedia section on bertha armyworm also lists the specific bertha products along with their pre-harvest intervals. Dig deeper Canola Watch · Bertha armyworm – Shelley Barkley and…
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…noctuid family. As a result – despite good coverage with the bertha armyworm monitoring, which excels at picking up larger outbreaks – small pockets of bertha armyworm do pop up…
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…in Manitoba. Credit: Justine Cornelsen Bertha armyworm. Credit: Justine Cornelsen Why so localized? Bertha armyworm moths are very mobile, so they will select ideal locations to lay eggs. This will…
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…spray cost of $24.70/ha ($10.00/ac). Under drought conditions, where bertha armyworm feeding is concentrated on canola pods by early leaf drop, economic thresholds may be lower. Further reading: Bertha armyworm…
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…will be here: Alberta trap counts Saskatchewan trap counts Manitoba trap counts Further reading: Canola Encyclopedia chapter on bertha armyworm PPMN bertha armyworm articles PPMN lygus prediction model for 2018…
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Saskatchewan bertha army worm trap count results, as of July 11. A few potential hotspot are showing up. Alberta’s bertha map indicates a few spots with counts in the medium…
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…to spray if the count is borderline for threshold. “Banchus flavescens” attacks the early larval stages (1-3) of bertha armyworm. Source: John Gavloski, MAFRD This armyworm (not bertha armyworm) has…
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Test your bertha armyworm identification and scouting skills with these 6 questions. 1. The following are all features of bertha armyworm, but which one best distinguishes bertha armyworm from other…
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…borders. Read more. Bertha armyworm. Most regions across the Prairies are reporting a low risk (fewer than 300 moths in traps throughout the season) at this point. Some Manitoba sites…
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