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Insect update
…the next week, nothing is registered with a pre-harvest interval of less than 7 days. Bertha armyworm. Don’t let your guard down just yet. Berthas have been at thresholds in…
Read moreSearch Results for: bertha
Issues of the week
…when dealing with large acreages, uneven plant maturity, or frost or hail damage). Insect pressure is easing but still hearing reports of lygus and bertha armyworm spraying. Keep scouting for…
Read moreDiamondback moth at threshold in some areas
Parts of the Swan River Valley were spraying for Bertha last week and now are contending with diamondback moth. Second generation larva and cocoons are being found in other areas…
Read moreTips to control multiple insect species at once
Some canola fields have lygus bugs, cabbage seedpod weevils, bertha armyworms, diamondback moths and grasshoppers. Economic spray thresholds are calculated based on individual species. We don’t have scientific evidence to…
Read moreIssues of the week
Diamondback moth, bertha armyworm, cabbage seedpod weevil and lygus bug are at or near thresholds in areas. Keep scouting to avoid losses due to late season insects. High temperatures in…
Read moreCanola patches ripening pre-maturely? Take a closer look
…more thorough scouting in future years. Pod stripping and holes chewed in pods by bertha armyworm or diamondback moth larvae will be obvious. Less obvious are the tiny holes in…
Read moreInsect update
…date, location (LLD or GPS), total number of sweeps, and total number of weevils in those sweeps. Bertha armyworm Adults showing up in traps across the Prairies. Numbers are on…
Read moreScout at harvest to help with 2011 planning
…by bertha armyworm or diamondback moth larvae will be obvious. Less obvious are the tiny holes in pods and shriveled or devoured seeds beneath them, which suggest lygus bug and…
Read moreQuick Hitters:
…Boyle and Barrhead. Farmers near Provost and Two Hills are battling high populations of lygus, diamondback moth and bertha armyworm. Click here to see threshold tables for key insects. Be…
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