Herbicide Resistance Definition<BR> inherited ability of a weed or crop biotype to survive a herbicide application to which the original population was susceptible.  <BR>example, goosegrass or annual bluegrass plants that survive herbicides that normally control goosegrass or annual bluegrass are considered resistant plants. <BR>Biotype = a group of plants within a species that has  <BR>biological traits that are not common to the population  <BR>as a whole.<BR>