R. Johnson (NAPPO)
Grapevine certification and the importation of grapevines into the member countries of the North American Plant Protection Organization (NAPPO)
A.S. Roy (EPPO)
EPPO certification scheme for grapevine
U. Kodira
The California grapevine registration and certification program
E. Kaesekamp
Certified grapevines: a nurseryman’s perspective
F. Mannini
Grapevine clonal and sanitary selection: the point of view of EU selectors
S. Spada
Selection and biodiversity in viticulture: the point of view of nurserymen
R. Bonfiglioli, N. Hoskins, M. Kelly, F. Edwards, G. Thorpe
Introduction of a private certification scheme into an unregulated national industry: the New Zealand experience
W.T. Oosthuizen, N. van Rensburg
South African Vine Improvement Association (VIA) and the South African certification scheme