PLATE i 
Seedlings and kernels of Marquis wheat attacked by the wheatscab fungus, Gibberella 
saubinetii. 
Seedlings blighted after inoculation in the field with conidia of the parasite grown 
in pure culture, a, Killed before emerging; b, killed just after emerging; c, killed in 
first-leaf stage; d, badly scabbed kernels, shrivelled and dead; e, slightly scabbed, dis¬ 
colored kernels only slightly, if at all, shrunken, but which produce infected seedlings 
when they germinate; /, sound, plump kernels for comparison. X 2. 
