Warm weather has meant an earlier emergence of overwintering adult flea beetles. Flea beetles are already feeding on canola volunteers. Given that flea beetles will be active when canola emerges, growers will want to pay attention in the few weeks after emergence to see how seed treatment protection holds up and whether additional sprays are warranted.
Podcast: Canola Council of Canada agronomy specialists Keith Gabert, Justine Cornelsen and Gregory Sekulic talk with host Jay Whetter about flea beetles and early-season crop stress in 2015, and management tips for 2016. Listen (7 minutes.)