Chad Lee and James Herbek, Grain Crops Extension, University of KentuckyApril 8, 2009Freezing temperatures occured April 7, 2009 across parts of Kentucky. More freezing temperatures are expected tonight. Wheat in many fields is close to jointing, if not slightly past. Temperatures need to approach 24 degrees F or less before severe damage occurs on wheat that is jointed.After about five to seven