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Late canola faces higher bertha armyworm risk
Mature bertha armyworm. Source: Roy Ellis Bertha armyworm got its name because the worms will march like an army in search of food. As canola crops dry down and are…
Read moreSearch Results for: bertha armyworm
Reader question: Do bertha armyworms in 2017 indicate higher risk for 2018?
…a bertha armyworm issue? Bertha armyworm. Credit: Justine Cornelsen Provincial insect management specialists Scott Meers from Alberta and John Gavloski from Manitoba contributed to the answer: Bertha armyworms (BAW) generally…
Read moreBertha armyworm: A few warm spots
…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 moreCanola Community Connections
…Pest Monitoring Network has posted its bertha armyworm map for 2023, which could be used to forecast 2024 outbreaks. Note: The map shows very low risk! WEBINAR: Saskatchewan Ministry of…
Read moreBertha armyworm update
…have been a low threat to canola this year. But some fields can encounter higher populations while others nearby have few or none. Bertha armyworm scouting tips Bertha armyworm thresholds…
Read moreInsect update: Bertha armyworms and more
…900. Glenboro is the highest at 501. Read the Canola Encyclopedia for more on scouting and thresholds. Try last week’s quiz, which had a bertha theme. Bertha armyworm. Three colours….
Read moreBertha armyworm in 2014
Canola Watch Live! had two key agronomy messages with regard to bertha armyworm management in 2014: 1. Lower canola prices will mean higher thresholds for bertha armyworm. See this relationship…
Read moreBertha armyworm near economic thresholds
…by 50%. Bertha armyworm larvae tend to eat leaves first, but will feed on stems and pods if plants drop their leaves before the larvae are mature. Mature bertha armyworm….
Read moreBertha armyworm on the move soon
…to link to MAFRI’s bertha armyworm factsheet. Bertha armyworm scouting tips —It is easiest to locate the larvae in early morning or in the evening when they are up feeding…
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