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Some canola fields in eastern Manitoba and northern Saskatchewan are showing signs of blackleg infection. There is no effective fungicide for canola at this growth stage (protective sprays had to be applied early in the season) but growers are encouraged to scout and assess the level of damage before they harvest the crop.
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Blackleg in eastern Manitoba
Canola fields in eastern Manitoba are showing signs of blackleg infection. The photos below show typical damage. There is no effective fungicide for canola at this growth stage (protective sprays…
Blackleg: Early scouting and fungicide
Early season moisture paired with warm temperatures in combination with open wounds from flea beetle feeding, for example, can lead to early blackleg infection of canola. If blackleg is to…
Blackleg management: FarmTech message
More growers have noticed canola yield loss due to disease, and see the benefit in a disease management plan. CCC agronomy specialist Clint Jurke made a presentation at FarmTech on…
Fungicide for blackleg: An early-season decision
Blackleg infection at or just after the cotyledon stage is the mostly likely to cause any significant yield loss. The critical infection window is cotyledon to four-leaf stage. Later infections…
