1 Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, R6M 1Y5, Canada. Electronic address: natalia.bykova@agr.gc.ca.
2 Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, R6M 1Y5, Canada. Electronic address: christof.rampitsch@agr.gc.ca.
3 Department of Biology, Memorial University of Newfoundland, St. John's, NL, 45 Arctic Avenue, A1C 5S7, Canada. Electronic address: igamberdiev@mun.ca.