PLATE 2 
Seedlings of Marquis wheat, (a) infected by Gibberella saubinetii and ( b ) uninfected, 
both of the same age. 
The infected seedling was from the same inoculation series as those shown in Plate i, 
a, b t and c. Note marked reduction in vigor, browning of basal portion, and reduction of 
root system as well as yellowing of leaves and absence of tillers. The uninfected 
seedling was from a corresponding immoculated series. Note general vigor, clean 
basal portion, abundant vigorous roots, as well as vigorous, healthy leaves and tillers. 
Natural size. 
