Abstract
The localization of tobacco mosaic virus rod particles (common strain) within the diseased tobacco leaf was observed under the electron microscope by means of the ultra-microtomy, and the results were as follows:
Fig. 1. Thin section of epidermal cell.
Fig. 2. Thin section of a guard cell of stoma.
Fig. 3. Thin section of epidermal hair.
Fig. 4. Thin section of slightly diseased palisade tissue cell.
Fig. 5. Thin section of heavily diseased palisade tissue cell.
Fig. 6. The mass of virus rod particles within cytoplasm.
Fig. 7. Thin section of X-body in palisade tissue cell.
Fig. 8. Thin section of sieve tube.
Fig. 9. Thin section of xylem.
C: chloroplast.
CP: cytoplasm.
CW: cell wall.
DC: disintegrated chloroplast.
SP: sieve plate.
UW: upper wall.
V: TMV.
X: X-body.