A Study of Meadow- Crop Diseases in|New York 109 



Millimeters 



Temperature 9 



Figure 25. effect of temperature on the growth of thalli of helminthosporium 



VAGANS IN TRIPLICATE PLATES OF 20 CENTIMETERS OF COONs' SOLIDIFIED SYNTHETIC 

 MEDIUM 



Diameters of the thalli in millimeters 



