Plaque assay of PBCV-1 on a lawn of Chlorella strain NC64A.
The photograph was taken 4 days after the plate was prepared. However, plaques can be observed as early as 24h after plating.


© 1999-2000 James L. Van Etten, University of Nebraska, Lincoln, Department of Plant Pathology - World of Chlorella Viruses Home Page
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