DPV46 Figure 02

Alfalfa mosaic virus

Electron micrograph of purified virus preparation, fixed with formaldehyde and mounted in phosphotungstate. B, bottom component; M, middle component; Tb, top component b. Spheroidal particles are the top components Ta, To or Tz. Bar represents 100 nm. (Courtesy Dr M. Verhoyen & Mr S. Henstra.)