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The questions for this week: 1. Flea beetles have been feeding on these cotyledons. What percentage of these leaves are considered defoliated? 2. Cutworm damage tends to be in patches. But lots of damage can occur in patches, including herbicide carryover, seedling diseases, so scouting is essential. What is the best way to scout for cutworms? 3. Why is this…
Canola Watch Posts
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Top dressing fertilizer usually occurs after emergence, often as a response to increased yield potential or as a remedy for noticeable deficiency symptoms. However, growers are looking at top dressing this year as a logistical aid in getting the crop seeded faster. Here are some agronomy messages to help in your decision making… -
In an Alberta study, fertigation was put on at three different stages — 5-leaf, bolting, and flowering — and then compared to plots where all nitrogen was applied at the time of seeding. The study has only one year of results, and so far they show that with canola, fertigation is — at best — equal to the treatment that…
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If a burnoff didn't get done or missed key yield robbing early season weeds such as quackgrass and dandelion, then control has to be early in crop to prevent significant yield loss. For quackgrass in particular, in crop control may require a tank mix with good activity on grasses… -
Manitoba and eastern Saskatchewan, in general, have a lower percentage of canola seeded than other parts of the prairie. Canola seeded June 5 or even June 10 in those regions can still produce a good crop, and crop insurance deadlines reflect that. Here are the deadlines…
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The Canola Council of Canada has produced four videos showing how beekeepers and canola growers can work together. Click the image above to see the video called "Canola and Bees: A sweet relationship."… -
Carpet of weeds. It seems like they’re all emerging at once, as shown in this photo from Anastasia Kubinec with MAFRD. Early control significantly lowers the economic risk. Broadcasting live! Broadcast seeding comes with higher risks, but it covers a lot of acres fast. Got tips to share? TKO for TSW. We’re not saying seed weight isn’t important, but many… -
The AAFC map above shows accumulated growing degree days (GDDs) as of May 19. Click here to create your own AAFC weather maps… -
Three questions: 1. Neil Harker, research scientist with AAFC in Lacombe, Alberta, says to provide “high yield protection” weed control should ideally occur before the ______ stage of the crop. 2. Integrated weed management uses various methods to keep weeds below economically-damaging levels. Of the following four points, three are proven principles of integrated weed management. Which one is NOT?…