A Study of Meadow-Crop Diseases in New York 



111 



The optimum could best be found by determining the minimum time 

 necessary for complete germination at each temperature, but the time 

 consumed probably would not be warranted. Instead, a series of slides 



Per cent 



76 



50 



Z5 



© 



Hours 



12 



1Q 



Z4 



Figure 27. germination of conidia helminthosporium vagans at 25° o. 



with spore suspensions were placed at 25° C. and a time curve was pro- 

 cured. The data arc given in table 30 and are presented graphically in 

 figure 27. 



