Hosted by: Canadian Society of Agronomy Canadian Society of Horticultural Science July 17-21 2011 Saint Mary’s University, Halifax, Nova Scotia, Canada Joint Annual Meetings of: Canadian Phytopathological Society (CPS) Canadian Botanical Association (CBA) Canadian Society of Agronomy (CSA) Canadian Society of Horticultural Sciences (CSHS) Canadian Society of Plant Physiologists (CSPP) Canadian Weed Science Society (CWSS)