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Cabbage seedpod weevils are one example of an insect where crop stage is a factor in the management decision. Weevils lay their eggs in developing pods, and these larvae feed on canola seeds inside the pods. The rule of thumb is pods less than 3/4” are too small for egg laying. If some plants are forming pods and the rest…
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Bud damage and insects are being found together in some canola fields, but that does not mean insects are the primary reason for the damage. Take a moment to assess the damage before making unnecessary or poorly timed insecticide applications. Key points to consider…
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Here is a quick update on the Portage la Prairie UCC Site. Ideal temperature and moisture conditions have promoted fast crop growth this past week. The trial site has received approximately 8-9mm of rain. Daily maximum temperatures have ranged from 23-28. Thus, the crop has jumped from the 2-3 leaf stage to the 4-5 leaf stage since my last post!…
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The Manitoba 2015 Ultimate Canola Challenge plot is located South of Portage, along highway 240 towards South Port. The exact location is Lot 107 in the Parrish of Portage. In this area the soil is an Elm River Silt Loam…
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This is a good week to be out scouting for situations that require immediate management, continued monitoring or detailed note-taking to make amends next year. Drill performance issues are a good example of the third situation. The following photos show damage observed in canola fields in the past week across the Prairies. Can you identify the cause for each?…
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Canola plants have been going through a lot of stress, and could be showing multiple symptoms. Good sleuthing means leaving the truck seat, putting on your booties and walking the fields. Getting to the bottom of any mystery takes keen observation (got your magnifying glass?), an open mind (the most obvious answer is not always the right answer) and a…
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Grasshoppers. If populations are significant and crop feeding has begun, a spray or bait application around field edges may be enough to reduce the threat. Grasshoppers are easier to manage……
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This article has tips and links for information on spraying in windy conditions, when to spray uneven crop, spraying at the right crop stage, sprayer clean out to prevent crop damage, and Keep It Clean tips for new products…
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Herbicide damage to canola can take many forms. Here are some clues to look for…
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