CROP 424: Plant Virology


History, classification and terminologies in virology. Virus structure, components of viruses.  Isolation and characterization of viruses. Transmission of viruses. Life cycle of virus- synthesis and Genome replication of viruses. Virus entry, movement and assemble.   Plant virus pathogenesis, cell damage and Host contribution to pathogenesis.  Virus evolution, origin and divergence.  Prevention and control of viral disease including plant defense agents.  Practical sessions should include: Detection and assaying of plant viruses using host plants, serology and nucleic acid based techniques. Transmission of virus to test plants, symptomatology and Electron microscopy.