Botany online 1996-2004. No further update, only historical document of botanical science!


Spread of a Tobacco Mosaic-Virus Secondary Infection within a Young Tomato Plant

Distribution occurs via the plantís vascular tissue. The originally infected leaf is marked by an arrow (site of the primary infection).
Light blue: infected leaves (G. SAMUEL, 1934)


© Peter v. Sengbusch - Impressum