Canola Minute Published September 13, 2021 Diamondback moth larvae were a problem in canola thi syear, even after multiple spray treatments. Learn more from NDSU Extension entomologist Jan Knodel in the Canola Minute, made possible by the Northern Canola Growers Association. https://www.rrfn.com/wp-content/uploads/2021/09/091321-Canola-Minute-Knodel.mp3 Share this: Facebook Twitter LinkedIn