322 



PHYSIOLOGY OF THE FUNGI 



A B C 



Fig. 64. The effects of different nitrogen sources on sporulation of three fungi after 

 19 days on a ghicose-sucrose medium at 25°C. The nitrogen sources are: A, apsaragine; 

 B, casein hydrolysate; C, potassium nitrate; D, ammonium sulfate; E, ammonium 

 tartrate; F, glycine. The fungi are: top, Glornerella cingulata; middle, Pleurage 



