Plant Pathology Department


Date of this Version



Published in APPLIED AND ENVIRONMENTAL MICROBIOLOGY, May 1985, p. 1326-1328 Vol. 49, No. 5. 0099-2240/85/051326-03$02.00/0 Copyright © 1985, American Society for Microbiology. Used by permission.


Viruses which formed plaques on lawns of a eucaryotic, chlorella-like green alga were detected in 37% of the 35 freshwater samples surveyed. Virus populations, monitored in seven locations, fluctuated both qualitatively and quantitatively over an 8-month period.