CORESTA Meeting, Agronomy/Phytopathology, Budapest, 1993
Tobacco virus diseases : The 1993 situation
SEITA, Institut du Tabac, Bergerac, France
A worldwide survey was made by CORESTA Phytopathology Group on different tobacco virus diseases. By the 15th of August information was collected from 40 European tobacco growing countries (14), The Middle East (3), Africa (5), North, South and...