Poa semi latent virus
Herbaceous plants of the Poa genus have quite important agricultural and decorativ value. Poa sime latent virus particles are rods with the length of about 100-150 nm, they tend to aggregate side by side and end to end during adsorption onto the substrate surface, forming a monolayer.
(The image is taken on Nanoscope III, Digital Instruments, USA)
© Dubrovin Evgeniy. Physical department of MSU, Russia
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