Question

Who demonstrated tobacco mosaic disease to be infectious?

Answer 1

M.W. Beijerinck demonstrated that the extract of the infected plants of tobacco could cause infections in healthy plants and called this fluid contagium vivum fluidum(infectious living fluid).

Answer 2

There are two scientists who played a crucial role in the discovery of the tobacco mosaic virus.

It is a positive sense single stranded RNA virus.

The two scientists, the work of which lead to this virus was Ivanovoski and Beijernick.

Beijernick was the one who first coined the term virus to tobacco mosaic microorganism.

It is the milestone in virology history which made a great impact.