• Some canola growers are swathing canola at 10-15% seed color change because they’re worried about getting all their canola swathed before a heavy frost. If no serious frost in the forecast, leaving canola standing until it is closer to the optimum stage of up to 60% seed colour change may improve both yield and quality.……
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  • Peace (Alberta and B.C.): Growers in the north are swathing, but for the rest of the region, widespread swathing will not start until the coming weekend. Alberta: Southern Alberta is around 50% swathed. While the southwest is further behind, a lot of acres will go down over the next few days. Swathing has begun in……
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  • Some growers anxious about the calendar and the typical date of first killing frost are swathing canola early, at around 10-15% seed color change. At this stage, many seeds on the side branches may be watery and translucent. If this represents 30% of seeds, for example, growers must recognize that early swathing could mean sacrificing a large proportion of that…
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  • Just because pods look dry and mature does not mean the seeds are ready for swathing. Sunscald and diseases such as blackleg, sclerotinia and clubroot can make plants look mature but the seeds may still be green. The opposite can also happen where pods look green but the seeds inside are ready. When assessing a canola crop to see if…
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  • Cutting canola in hot conditions will lead to rapid dry down and desiccation. Chlorophyll may not have time to clear from immature seed, which locks in high green counts. If growers feel they must swath, wait until temperatures cool down in the evening and then swath at night to take advantage of those cooler temperatures and any moisture from dew…
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  • Don’t let your guard down just yet. Berthas have been at thresholds in east central Alberta and western Saskatchewan fields in the past week. Some fields probably should be sprayed, as long as they’re more than 7 days from swathing. Scout in the heat of day…
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  • Clubroot damaged canola plants have been spotted in a few new regions of Alberta this fall. Clubroot infected canola will often ripen prematurely. For this reason, clubroot infection is often confused with heat stress or other diseases such as sclerotinia, fusarium wilt or blackleg. Proper diagnosis of clubroot should always include digging up plants to check for gall formation on…
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  • Canola combined in hot temperatures needs to go on aeration immediately, even if the canola is dry. Canola isn’t safe at high temperatures, especially if green seed counts are elevated or if there is dockage in the sample…
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