Figure 1. Leaves of susceptible wheat line 8860, barley line L94 and barley cultivar Volla inoculated with of Puccinia triticina isolate Flamingo, 10 days after inoculation, and incubated in a dew chamber for 17.5 (A) and 9.5 h (B), respectively. Note the pale flecks on Volla in the 17.5 h treatment (arrows).