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HQU – Sweetpotato Indicator plant diagnostic procedure – OP022

This OP explains how to use grafting – a technique whereby cut tissue surfaces of different plants are placed in close contact to effect a union. Grafting is considered to be a universal method for transmitting viruses, because grafting can transmit systemic viruses. Some grafts, however, are easier to do than others. Grafting is particularly useful for transmission of phloem-restricted viruses that cannot be transmitted mechanically and viruses whose vectors remain unknown, and for detecting viruses found in low concentrations. 

Authors: International Potato Center , International Potato Center

Contributors: Segundo Fuentes, Segundo Fuentes

Subjects: Sweetpotato virus testing and indexing

Pages: 15

Publisher: International Potato Center (CIP)

Publication Date: November 13, 2012

Keywords: Grafting, Virus indexing, Virus testing