1. a Research Station, Agriculture Canada , 2560 Hochelaga Blvd., Sainte‐Foy , Quebec , Canada , GIV 2J3
2. b INRS‐Eau , PO Box 7500, Sainte‐Foy , Quebec , Canada , GIV 4C7
3. c MENVIQ, DMACP , 2360 Chemin Sainte‐Foy, Sainte‐Foy , Quebec , Canada , GIV 4H2
4. d Research Station, Agriculture Canada , 2000 Route 108 East,PO Box 90, Lennoxville , Quebec , Canada , J1M 1Z3