T OP CROP MANAGER PESTS AND DISEASES ON THE COVER: Growers should be on the lookout for eyespot in corn this year. Photo courtesy of Krishan Jindal. Know. Grow. April 2016 • EASTErN EdiTioN FERTILITY AND NUTRIENTS PULSES 5 | Controlling oat crown rust new rust-resistant varieties for southern ontario. By Carolyn King 16 | Glowing recommendations a better way to determine sidedress n rates for corn By Carolyn King 26 | Breeding higher yielding dry beans a new discovery is promising for bean breeding. By Julienne Isaacs 5 16 26 Photo courtesy of travis Goron. PESTS AND DISEASES PESTS AND DISEASES PESTS AND DISEASES 8 | Canola IpM By Carolyn King CROP MANAGEMENT 14 | eyespot in ontario corn By Julienne Isaacs RESEARCH 22 | Staying ahead of stripe rust By Julienne Isaacs CROP MANAGEMENT 12 | Complex crop rotations By Trudy Kelly Forsythe 20 | Making better short-day silage By Amy Petherick 24 | Intensive corn management By Trudy Kelly Forsythe FROM THE EDITOR 4 | Be consistently inconsistent By Stefanie Croley, editor ON THE WEB ElImINATINg gmOS wOulD TAkE TOll ON ENvIRONmENT, EcONOmIES Higher food prices, a significant boost in greenhouse gas emissions due to land use change and major loss of forest and pasture land would be some results if genetically modified organisms in the United States were banned, according to a Purdue University study. AgAnnex.com Readers will find numerous references to pesticide and fertility applications, methods, timing and rates in the pages of Top Crop Manager. We encourage growers to check product registration status and consult with provincial recommendations and product labels for complete instructions. Top Crop Manager east | april 2016 3 Photo courtesy of K. Peter Pauls. Photo courtesy of WeiKai yan.