EAST EUROPE WHEAT WINTERKILL POSSIBLE, ACCU SAYS Winter wheat crops in the western Soviet Union, Poland and eastern Czechoslovakia through northern Romania may suffer some winterkill over the next two nights, private forecaster Accu-Weather Inc said. Western USSR winter wheat areas have had only light and spotty snow and winterkill is possible tonight and tomorrow night as temperatures drop to minus 10 to 0 degrees F. Snow cover is scant in Poland, with only about 50 pct of the winter wheat areas reporting one to two inches of snow as of this morning. The remaining 50 pct of winter wheat crops do not have snow cover, making winterkill possible on each of the next two nights. Lowest temperatures will be minus 10 to 0 degrees F. Winter wheat areas from eastern Czechoslovakia through northern Romania had light snow flurries yesterday and last night, but amounts were an inch or less. With temperatures expected to fall to near 0 degrees F over the next two nights, some light winterkill is possible, Accu-Weather added.