…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…
Read moreInsect trap counts are generally low across the Prairies, but bertha counts keep rising. Here are the latest provincial survey results. Bertha armyworm Counts are climbing for bertha armyworm moths….
Read more…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…
Read moreA full-fledged bertha armyworm outbreak continues in the Peace region. Continue scouting, noting that fields at thresholds can be right beside fields with low counts. See scouting tips and threshold…
Read moreMature bertha armyworm. Source: Roy Ellis Bertha armyworm is one pest that can do a lot of damage in a short time. They’re large and eat a lot. Even within…
Read moreBertha armyworm adult moth counts were generally low across the Prairies in 2017. A few trap sites did enter the moderate risk level, but none was high. See provincial counts…
Read more…levels of larvae will be present, but indicates that while scouting canola in late-July and August look for the presence of potential feeding from bertha armyworm larvae. Bertha armyworms, various…
Read more…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…
Read moreTest 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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