Do early applications of Cobra increase soybean yields?<BR>Nebraska (2013) <BR>Decreases in yield were observed by destroying apical meristem by both clipping at V2 and applications of Cobra <BR>Arkansas  <BR>V3 stage <BR>21% increase in yield (2011) <BR>No difference in yield (2012) <BR>Iowa (2011) <BR>V2.5 stage <BR>No positive effect <BR>Multi-State (MN, WI, MI, IA, KS, IL, IN, AR, KY) <BR>2012 <BR>V4 stage <BR>No positive effect from Cobra alone <BR>Increased yield with SOYA + Cobra (+8.9%) but not different from SOYA alone.<BR>