Affiliation: | (1) Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, Ottawa, Ontario, Canada, K1A 0C6;(2) Present address: Department of Biology, West Virginia University, Morgantown, WV 26506-6057, USA;(3) Southern Crop Protection and Food Research Centre, Agriculture and Agri-Food Canada, London, Ontario, N5V 4T3, Canada |