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Test your clubroot skills with these four questions…
July 11, 2018 - Issue 15
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The area of Western Manitoba where CCC agronomy specialist Justine Cornelsen lives had a low(!) of 24°C on July 7, the day represented in this map from AAFC's Agroclimate Information Service. Hot days in combination with warm nights can increase the amount of flower abortion… -
Insect trap counts are generally low across the Prairies, but bertha counts keep rising. Here are the latest provincial survey results…
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Entomologists were excited to find a known diamondback moth parasitoid, the 2mm-long Diolcogaster claritibia wasp, at very high numbers in Alberta canola fields over the past couple of weeks… -
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… -
In light hail, canola can sometimes over-compensate and produce even higher yield. In serious hail situations where entire flowering branches are knocked off, plants that are still actively flowering can produce new branches. This will set back maturity, but with enough season left, these new branches can produce a decent yield…
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Manitoba: Sclerotinia stem rot: Timeline for infection Saskatchewan: Sclerotinia stem rot: Timeline for infection Alberta: Map of the Week – Cabbage seedpod weevil counts…
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If conditions are dry at early flower and then it rains at 40% to 50% flower, spraying at the end of the window may be effective – as long as there was enough moisture before flowering to get apothecia germinating. In this situation, later sprays could be especially effective if moisture also promoted a longer flowering window due to later… -
Seeing blanks up canola stems where pods should be? Here are the seven most common causes.... At the bottom of this article, see a graph showing how canola plants can compensate for aborted flowers…
