Advanced Technology for Producing Healthy Seeds or Vegetative Materials
This Bulletins discusses programs for the propagation of disease-free seedlings and other planting materials. The different types of transmissible plant pathogens are discussed: viruses, viroids, phytoplasmas and spiroplasmas, and bacteria. The different techniques of detecting them are discussed and evaluated, in terms of reliability, replicability and cost effectiveness. This is followed by an outline of how to develop a program for pathogen-free planting materials, including understanding the key pathogens and which techniques to adopt for disease diagnosis and pathogen detection. The propagation of pathogen-free mother plants is then discussed, and how to integrate a certification system with the propagation program.