T OP CROP MANAGER pEsTs aNd disEasEs WEEd MaNagEMENT Know. Grow. February 2015 • eaSTerN ediTioN CaNOla 5 | Staying ahead of corn pests Corn pest forecast maps may soon be available to producers. By Madeleine Baerg 6 | Spraying into a mature crop canopy? How to do it depends where the spray needs to go. By Carolyn King 14 | Canola crop rotations could condition northern soils greater consideration for soil biota may be the secret to better yields. By Amy Petherick 5 6 PHOTO COURTESY OF TOM WOLF, AGRIMETRIX RESEARCH & TRAINING. 14 Researchers at the University of Guelph have started an ambiitious four-year corn pest survey project.. FILE PHOTO. pRECisiON faRMiNg 24 UaVs: Where dreams meet dust By Amy Petherick MaCHiNERy pEsTs aNd disEasEs 28 Keeping an eye on swede midge By Donna Fleury pRECisiON faRMiNg fROM THE EdiTOR 4 Crude awakening By Lianne Appleby, Associate Editor 30 2015 Canadian Truck King Challenge By Howard J Elmer 32 Which cover crop is best? By Carolyn King pEsTs aNd disEasEs 38 Invasive pest is set to strike field crops By Madeleine Baerg ON THE WEB RESEARch FINDS SAlT TOlERANcE GENE IN SOybEAN Researchers at the University of Adelaide and the Chinese Academy of Agricultural Sciences have identified a specific gene in soybean that has great potential for soybean crop improvement. ON THE COVER: www.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 | February 2015 3 FILE PHOTO. PHOTO COURTESY OF PEDRO ANTUNES, ALGOMA UNIVERSITY. FILE PHOTO.