Which of the following diseases in plants is different from the others?

Step-by-step solution

In plants, the symptoms caused by virus can be mosaic formation, leaf rolling and curling, yellowing and vein clearing, dwarfing and stunted growth. The viruses are non-cellular organisms that are characterized by having an inert crystalline structure outside the living cell. In addition to proteins viruses also contain genetic material, that could be either RNA or DNA. In general, viruses that infect plants have single stranded RNA. Viroid is a new infectious agent that is smaller than viruses and causes potato sp