Host Range of Viruses
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Host range of a virus is one of the biological properties of the virus. A host is a plant that a virus can infect and within which that virus can replicate. A few of the viruses have the ability to infect only a limited number of hosts while a few other viruses have the ability to infect large number of hosts belonging to several plant genera and families. Plant hosts play an important role in biological characterization of a plant virus.