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One pass or two? | Scouting priorities | Hail | Insect update…
Cutworm
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Trap counts are showing higher numbers of diamondback moths in a few areas, but this just means that the moths have arrived, and is not necessarily a cause for concern. Flea beetle scouting is more important this week… -
Cutworm feeding results in notched, wilted, dead or cut-off plants. Patches of missing plants could also be cutworms. Include cutworms on the scouting checklist for the first one to three weeks after emergence… -
Grasshoppers are causing some problems this week in areas that remain dry. As for areas that got rain, the rapid crop growth that results should reduce the economic risk from grasshoppers… -
A long relatively dry fall can also allow for maximum egg laying opportunities, and may result in a more widespread outbreak the following year. Dry springs can also improve survival of larvae… -
13 questions on cutworms. Test your knowledge…
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Patches of missing plants will prompt farmers and agronomists to start scouting for cutworms. This scouting step is important because other factors, including dry seedbed conditions and others, can also cause patchy growth. You need to identify the cause so you make accurate action decisions… -
Cutworms or wireworms? Check bare patches, and especially the interface between healthy seedlings and dead patches, to confirm the reason for missing plants. It could be cutworms, wireworms, disease or something else entirely… -
Take a random look at a few canola roots in each field to see what's going on. Also dig up the root area for plants that look less than healthy for no apparent reason. This plant has foot rot…
