Return to Canola Council Home
Issues of the week
Lygus counts and bertha armyworm counts are up this week. Saskatchewan and Manitoba growers are encouraged to scout for lygus this year. Lygus has been reported in most areas of…
Read moreSearch Results for: bertha
Issues of the week
Bertha armyworm larvae have started to feed in some locations, and the second generation of lygus has arrived in the southern Prairie. Watch pods and upper foliage for signs of…
Read moreIssues of the week
…lacewing, diamondback or bertha larvae that may be feeding up in the canopy, as well as blister beetles and leafhoppers. Leafhoppers reached higher than usual numbers this year, and while…
Read moreHow to ID insects by feeding damage
…sections of a field. Without close inspection, damage can look like wireworm or cutworm carnage. Industry note* Bertha traps are in short supply. If you have one and don’t plan…
Read moreRotations for insect control
…to beneficials and provide no positive economic benefit to the canola crop. Banchus is a parasitoid of bertha armyworm. It can be harmed by unnecessary insecticide sprays. Source: Lloyd Dosdall…
Read moreInsect update
A few late fields are still under threat. Bertha armyworm is at threshold levels in a few late fields in central Peace and western Saskatchewan regions. Lygus bug feeding continues…
Read moreInsect 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 moreIssues of the week
…in the swath. Bertha armyworm is at thresholds in some fields in east central Alberta and western Saskatchewan. Do a pre-harvest scout for disease. Damage is much easier to spot…
Read moreIssues 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 more
