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Help with insect surveys for 2018
Alberta, Saskatchewan and Manitoba will be doing bertha armyworm and diamondback moth surveys again in 2018. Diamondback moth traps are sentry traps to show the presence/absence of adults, but there…
Read moreSearch Results for: bertha
Issues of the Week
…that have scouted and found bertha this past week have needed to spray only one or two fields out of many. Bertha moths can be choosy which fields looked best…
Read moreLots of green worms. What are they?
Bertha armyworm at a developing stage. Source: Saskatchewan Ministry of Agriculture Diamondback moth larvae. Notice the spindle shape — wider in the middle than at the ends. Source: Saskatchewan Ministry…
Read moreDisease ID tips for pre-harvest scouting
…pods (indicating bertha armyworm or grasshopper feeding), larger holes in pods (which could be from diamondback, grasshopper or bertha armyworm feeding) and brown rotted seeds (which can result from lygus…
Read moreStem infections: How to tell them apart
…decision. If more than 25% have exit holes and the crop was not sprayed, it probably should have been. Look for other insect damage to pods. Debarked pods (indicating bertha…
Read moreTips for pre-harvest disease scouting
…25% have exit holes and the crop was not sprayed, it probably should have been. Look for other insect damage to pods. Debarked pods (indicating bertha armyworm feeding), larger holes…
Read moreIn-crop insect surveys in 2019
…and industry groups to conduct insect pest surveys in field crops throughout the Prairies. In 2019, AAFC surveys could include cabbage seedpod weevil, swede midge, grasshoppers, leafhoppers, bertha armyworm, diamondback…
Read moreIssues of the week
…for bertha armyworms, and growers in all areas are encouraged to scout. Bertha armyworms can be kept in check by fungal and insect beneficial organisms, but populations do explode once…
Read moreUltimate Canola Challenge — Manitoba
…Many of the counts showing extremely high numbers. Trap counts today were diamondback moths and 3 bertha armyworm moths. Here is the decision log to date: UCC 2013 Decisions May…
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