Test Organism 



Interacting Organism 



Observed Effects 



Reference Source 



Asterlonella formosa 



A. formosa 



Nltzschia pa lea 



Asterionella formosa 



A. formosa 



A. formosa 



Fragllarla crotonensis 



Phormidlum uncinatum 



P . uncinatum 



_P. pachydermaticum 



_P. pachydermaticum 



P. pachydermaticum 



_P. pachydermaticum 



P . pachydermaticum 



Ph . uncinatum 



Ph . uncinatum 



Ph . uncinatum 



Ph . uncinatum 



Ph . uncinatum 



No s toe gelatimosum 

 N. gelatlnosm 



N. gelatinosum 

 N. gelatlnosm 



Nltzschia palea 

 Fragllarla crotonensis 



Asterlonella formosa 



Scenedesmus quadrlcauda 



Achnanthes microcephala 



Phormidlum uncinatum 



Nostoc zetterstedti 



N . verrucosum 



Inhibition by filtrate 

 and in mixed cultures 



Accelerated in filtrate 



Accelerate in filtrate 



No inhibition In mixed 

 culture or filtrate 



No inhibition in mixed 

 culture or filtrate 



Inhibited by filtrate 



Stimulated in mixed 

 culture and by filtrate 



Killed by filtrate 



Unaffected by filtrate 



Unaffected by filtrate 



Cylindrospermum alatosporum Inhibited in mixed 



culture 



Nostoc gelatinosa 

 Pediastrum boryanum 



P . clathratun var . 

 punctulatum 



Scenedesmus oahuensis 



Ankistrodesmus falcatus 



Achnanthes microcephala 



Oscillatorla acutissima 

 Anabaena cyllndrica 

 Nostoc verrucosum 



N . carneum 



Mutually inhibitory on 

 solid media 



Inhibited by filtrate 

 of old cultures 



Inhibited by filtrate 

 of old cultures 



Inhibited by filtrate 

 of old cultures 



Stimulated by filtrate 

 of young cultures 



Stimulated by filtrate 

 of young cultures 



Inhibited by filtrate 

 Inhibited by filtrate 

 Unaffected by filtrate 

 Unaffected by filtrate 



Jdrgensen (1956) 



J;<rgensen (1956) 



J;irgensen (1956) 

 Tailing (1957) 



Tailing (1957) 



Lefevre and 



Nisbet (1948) 



Lefevre and 



Nisbet (1948) 



Jakob (1954) 



Jakob (1954) 



Jakob (1954) 



Jakob (1954) 



Jakob (1954) 



Lefevre, Jakob 

 and Nisbet 

 (1952) 



Lefevre , Jakob 

 and Nisbet 

 (1952) 



Lefevre, Jakob 

 and Nisbet 

 (1952) 



Lefevre , Jakob 

 and Nisbet 

 (1952) 



Lefevre, Jakob 

 and Nisbet 

 (1952) 



Jakob (1954) 



Jakob (1954) 



Jakob (1954) 



Jakob (1954) 



47 



