Grapevine viruses

To find out more about the recognition of grapevine viruses in the field, you can also consult the website of the European training program PAThOGEN. This program aims to improve knowledge and management of viral grapevine diseases, and offers a on its website photo gallery . You will find there many photos of symptoms induced by viruses and possible confusions (other diseases, deficiencies, phytotoxicity…) on multiple varieties.