• If the forecast is for frost tonight, growers will not see much benefit to swathing today if canola is still green. With a light frost, crop left standing will still have a chance to mature further. A heavy frost will lock in high green counts unless the crop has adequate dry down time to achieve a seed moisture of 20%…
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  • This time of year, mature canola seeds can take a long time to turn brown or black. Growers wondering why seed color change is taking so long may want to check the fields again and look for these other signs of maturity: All seeds are firm to roll. White/yellow banding. No skin peeling…
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  • Many canola fields that were swathed too early or during hot weather or both will have dried down without sufficient enzyme breakdown of seed chlorophyll, resulting in a high green count. Fields that are dry (less than 10% moisture) and still have 5% green are unlikely to see that green count drop much, unless canola seed moisture rises back up…
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  • Some elevators are reporting higher green seed counts. Swathing too early and swathing in hot and windy conditions are contributing factors in many cases. Cutting canola in hot conditions leads to rapid dry down and desiccation, which doesn’t give chlorophyll time to clear from immature seed. Waiting until less mature seed is at least firm to roll between thumb and…
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  • If half the field is just beginning seed color change, growers may want to hold off on swathing. By waiting 3 or 4 days, there is minimal risk of frost damage for riper parts of the field and a huge potential benefit for later parts if frost doesn’t occur…
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  • While forecast daytime highs are warm for the next few days, some areas may experience light frosts. If frosts do not dip below -2 C, damage is likely to be minor and swathing prematurely may do more harm than good. However, it is important to get out there and check crops to ensure damage is not greater than expected…
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