were chosen as test species for the growth bioassay because they are common weeds in fields around the world. In addition, crab grass and junglerice also have already evolved resistance to many herbicide groups (Valverde et al., 2000).
werechosen as test species for the growth bioassay because they arecommon weeds in fields around the world. In addition, crab grassand junglerice also have already evolved resistance to many herbicidegroups (Valverde et al., 2000).