2014 Atrazine Resistance Survey<BR>11 samples collected <BR>Populations 1,2,3,5,and 10 = 0.5 lb ai/A <BR>Populations 4 and 6 = 1-2.5 lb ai/A <BR>Population 7 = 5 lb ai/A (Dodge) <BR>Population 9 did not germinate (Berrien) <BR>12 and 13 ????? <BR>