This presentation has information on Germplasm Virus Indexing: ISO/IEC 17025 accreditation, Virus indexing procedure, Analysis of indexing results, Research derived from indexing, Maintaining ISO accreditation and New molecular tests (validation). most of the findings are supported with beautiful images illustrating the study process. CIP was awarded the ISO/IEC 17025 accreditation on February 2008 and applies this ISO Standard for the management and distribution of CIPs germplasm. 

This presentation shows the symptoms that can be observed in grown sweetpotato plants and symptomless plants and how the virus can be transmitted. The presntation is filled with pictures that are geared towards explaining how infected plants look and the grafting process. It also highlights the final results of viral indexing and the analysis of these results.