PLATE 2 
Corn root and stalk rot caused by Gibberella saubinetii 
A, B.—The influence of seed inoculation with Gibberella saubinetii on the develop¬ 
ment of com plants. A, Yellow Dent com planted on clean land; seed inoculated 
with G. saubinetii at time of planting. B, control. Note the difference in height of 
plants of the same age in inoculated and control rows. 
C.—Plowing under a field of Marquis wheat mined by scab. The yield of disease- 
susceptible corn planted on this field the following season was greatly reduced, whereas 
the disease-resistant com gave fair yields. 
