366 



BULLETIN No. 189 



[June, 



FIG. 20. CULTURES OF EHIZOCTONIA STRAINS SHOWING DEVELOPMENT OF MYCE- 

 LIUM ON GREEN-BEAN AGAR (CULTURE 48 HOURS OLD). TOP Row: (1) CAR- 

 NATION E.H.; (2) CARNATION R.F. MIDDLE Row: (1) POTATO R. SOL.; (2) 

 CARROT. BOTTOM Row: (]) CAULIFLOWER; (2) ONION 



