WordNet
n. a plant pathogen that is a virus consisting of a single strand of RNA
Wikipedia
Plant viruses are viruses that affect plants. Like all other viruses, plant viruses are obligate intracellular parasites that do not have the molecular machinery to replicate without a host. Plant viruses are pathogenic to higher plants. While this article does not intend to list all plant viruses, it discusses some important viruses as well as their uses in plant molecular biology.
Usage examples of "plant virus".
It contained medical data she could feed into the diagnostic unit that was attempting to find a way to nullify the plant virus.
He was probably trying to tame the drug by subtracting the reptilian genes from the Mbwun plant virus.
It really is beginning to seem as if the effects of the plant virus have burned themselves out.
The destruction had been compounded by the DX plant virus that had followed the radiation, borne on the same winds.