Disease scouting long after swathing is not usually the most accurate, as saprophytic organisms — those that feed on and break down dead material — move in fast and cloud the identification process. Verticillium is one disease that can be more obvious and easier to identify after cutting a canola crop…
Canola Watch Posts
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For results to be as close as possible to the situation next spring, the ideal time to take fall samples is when soil temperatures drop below 10°C and as close to freeze-up as possible…
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Fall fertilizer is best applied as close to freeze up as possible to balance two objectives: (1) allow soil to seal over the band and (2) reduce losses due to high microbial activity in warm soils…
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Frost provides some natural desiccation that may help dry weeds and green stems in fields left for straight combining. Some growers actually wait for frost before combining, using it as a tool to aid in crop dry down — but this may not be advised if the field is ready and no frost is forecast…
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Harvest is a great time to assess the incidence and severity of canola diseases, an important step in management for next year…