Triazine Resistant Palmer Amaranth Macon County 2007<BR>Atrazine 4L @ 1 qt/A (PRE) fb Atrazine 4L @ 1.5 qt/A + COC @1% v/v (POST) <BR>Photo 14 Days after POST <BR>15-20 year rotation <BR>Ryegrass-corn-sorghum-sudangrass <BR>