Fig. 4. QTLs detected for winter survival at Haymana, Turkey, in 1997-1998, at Pullman, WA, USA, in 1998-1999, and at Haymana, Turkey, in 1999-2000 and QTLs detected for mean winter injury at Pullman, WA, USA, during the winter of 1998-1999. WS = winter survival, WI = winter injury, LG = linkage group.