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Learn to tell the difference between common lesion-causing diseases — blackleg, sclerotinia stem rot and alternaria black spot…
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Blackleg infection prior to the four-leaf stage can result in serious yield loss, but blackleg can be difficult to identify on such small plants…
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Scouting now for lesions on young canola plants and for pseudothecia on blackleg stubble is one step in blackleg management. Here are factors that increase the blackleg risk…
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Many things can cause yields to be lower than expected. Crops that run out of nutrients may have significant biomass but smaller or fewer seeds in the pods. Moisture and……
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Three major stem diseases — blackleg, clubroot and sclerotinia stem rot — are more easily identified in the weeks leading up to harvest. Areas of the field with prematurely ripening plants and excessive lodging are signs that any one of these three diseases could be present…
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Growing clubroot resistant varieties in areas with low levels of inoculum or areas beside regions known to have clubroot is a good pre-emptive strategy to keep clubroot to a minimum in a particular field. The question for growers in areas with serious blackleg is whether to grow varieties with effective blackleg resistance or grow varieties with clubroot resistance. Current varieties…
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Pre-swath or immediately post-swath are good times to check blackleg severity. Checking more than a week after swathing makes it more difficult to identify blackleg because other decomposers will start to work on the plant, often masking whatever blackleg symptoms may have been evident…
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While you are out there checking to see if your crop is ready to cut/harvest is a perfect time to also check for disease! Likewise, the representative sampling technique used to accurately determine the stage of the crop is also ideal for disease scouting of your field. Pulling out a few plants and checking for the big three diseases, as…