Summary<BR>Sequential applications of Dual Magnum are more effective than single applications. <BR> <BR>Control by sequential applications tended to be greater with Dual Magnum rates of 12 to 16 oz. <BR> <BR>Layby applications of Roundup or MSMA plus Valor or Direx as well as Roundup plus Aim offer growers effective burndown of emerged plants at layby <BR> <BR>