September, 1955 ForsBerG: Fusartum DisEAse or GLADIOLUS 477 
these two isolates are similar except for a Two sets of basal dry rot isolates are 
divergence that occurred between the compared in fig. 18. In fig. 184, isolate 
twelfth and thirty-fourth days. 47-2 was of the intermediate-raised type 
3.0 
a= Sateen meow 
4 
8.0 Isolate 50-22 ue 
/ 
o 
ee 
J 
4 
7.0 
oe’ Nusolote 5027 
pie 
AA 
6.0 s 
\ / 
\ / 
» / 
/ 
re / 
5.0 = 
B 
4.0 
O 10 20 30 40 50 60 
TIME IN DAYS 
Fig. 17—Progressive changes in pH produced in Tochinai liquid by, 4, two vascular 
isolates and, B, two brown rot isolates of Fusarium. 
