Plant Virus and Viroid Diseases in the Tropics - Volume 1: Introduction of Plant Viruses and Sub-Viral Agents, Classification, Assessment of Loss, Tra

Plant Virus and Viroid Diseases in the Tropics - Volume 1: Introduction of Plant Viruses and Sub-Viral Agents, Classification, Assessment of Loss, Tra

Plant virus and sub-viral pathogens pose severe constraints to the production of wide range of economically important crops worldwide. The virus may enter into plants through seed planting materials or by vectors.