62 ISOLATION AND CULTIVATION OF ANTAGONISTS 



Uelminthosforium (A and B) in- Pestalozzia (A) inhibited by one 

 hibited by Fusarium (C) species of Penic'tlUum (C) but not 



by another (B) 



Helminthos for turn (A) inhibited Helminthosfortum (A and B) in- 

 by a bacterium (C) hibited by a white yeast (C) 



Figure 5. Inhibition of fungus development by antagonists. From Porter 

 (729)- 



