• It is crucial that fields are scouted thoroughly and often. A heavy infestation on a stressed or thin stand can do significant damage in 24 to 72 hours. Be prepared in case additional control measures are required. The economic threshold for flea beetle control is when 25% or more of the cotyledons are damaged. However,……
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  • Still Battling Mother Nature Excess moisture continues to impede seeding in parts of the northern Interlake Region of Manitoba where it is estimated that only about 25% of the crop is planted. Some seeding and re-seeding also continues in parts of the northwest, central and eastern regions. In the Red River Valley, it is now……
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  • Environmental stresses continue to be the dominant and common threat to canola production in western Canada this week. Canola seeding is not yet finished in parts of Manitoba and some re-seeding due to frost has occurred in all provinces. Multiple frosts have affected crop staging with a range of plant growth from cotyledon to 4-leaf……
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  • There are reports of producers seeding Polish (Brassica rapa) canola varieties in Manitoba and Alberta. Keep in mind that herbicide options are limited and full spectrum weed control can be fairly costly with these varieties. Select fields carefully (e.g. not too weedy or not with a broad spectrum of hard-to-control weeds). Recognize too that yield……
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  • Before making re-seed decisions consider the following: Take a close look. Get down, way down, at ground level and look for signs of recovery. A plant with a green, intact growing point can still continue to grow. A magnifying glass will help zero-in on the tiny plant parts. Scratch around and scrape back crop residue……
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  • Crop recovery from the frost 10 days ago was reasonably good across western Canada, especially with the warm temperatures late last week and over the weekend. Some re-seeding was reported in Saskatchewan and Alberta but locations and acres were variable. Manitoba Agricultural Services Corporation reports 500 re-seed claims were processed on canola due to frost.……
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  • No doubt that this spring has been especially challenging for canola establishment. Cool and dry conditions in many areas resulted in less than ideal emergence. Late-frosts have now thinned stands in many areas where emergence was adequate. Canola fields with low plant densities are more vulnerable to losses from insects, weed competition and environmental stresses……
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  • There are questions about the ability to tank mix insecticides with herbicides when spraying canola.  The pesticide tank mix chart in introduction of the Guide to Field Crop Protection may help: http://www.gov.mb.ca/agriculture/crops/cropproduction/gaa01d01.html…
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