Microbial Plant Pathogens-Detection and Disease Diagnosis:

Chapter 1 Introduction.- 1.1 Microbial plant pathogens as a major limiting factor of crop production.- 1.2 Discovery of viruses and viroids as plant pathogens.- 1.3 Detection of viral and viroid plant pathogens and disease diagnosis.- References.- Chapter 2 Detection of Viral and Viroid Pathogens in Plants.- 2.1 Detection of viruses in plant organs.- 2.2 Detection of viroids in plant organs.- 2.3 Detection of viral pathogens in seeds and planting materials.- 2.4 Detection of viroids in seeds and planting materials.- Appendix.- References.- Chapter 3 Detection of Viral and Viroid Plant Pathogens in the Environment.- 3.1 Detection of plant viruses in environment.- 3.2 Detection of viroids in the environment.- Appendix.- References Chapter 4 Assessment of Variability in Plant Viral and Viroid Pathogens.- 4.1 Assessment of variability in plant viral pathogens.- 4.2 Assessment of variability in viroid pathogens.- Chapter 5 Diagnosis of Viral and Viroid Diseases.- 5.1 Choice of diagnostic tests for viral diseases.- 5.2 Choice of diagnostic tests for viroid diseases.- 5.3 Agencies involved in disease diagnosis.- References.