Tropical Spiderwort in Field Corn<BR>* preemergence
<BR>Dual II Magnum
<BR>Atrazine (?)
<BR>
<BR>*  postemergence
<BR>2,4-D
<BR>Basagran
<BR>
<BR>* post-directed
<BR>Gramoxone Max
<BR>Aim
<BR>Evik<BR>