Figure 7.

Contents of agmatine in noninfected (control) and infected roots of the susceptible accession Col-0 and the partially resistant accession Bur-0 at 2, 7, 14, and 21 dpi. Agmatine contents were expressed as micromoles per gram of DW. Samples of control and infected roots were analyzed in four independent experiments. For each time point, same letters indicate nonsignificant difference at P = 0.05.