Wild radish size response to grain herbicides.<BR>Herbicide 0-8 inch 8-14 inch bolting <BR>2,4-D 90+ 70-80% <50% <BR>MCPA 90+ 50-70% <30% <BR>MCPA + Express 90+ 80-85% <65% <BR>Peak 90+ 75-85% <50% <BR>Express 90+ 50% <50% <BR>Harmony Extra 90+ 50% <50%*<BR>*At some stage after bolting becomes more susceptible.<BR>