Bull. Spec. CORESTA Congress, Vienna, 1984, p. 113, P10, ISSN.0525-6240
The struggle against black root Rot : New perspectives
DELON R.; PULULU M.N.
Institut Expérimental du Tabac, Bergerac, France
With the development of varieties of light tobacco (Virginia and Burley), black root rot, caused by Chalara elegans, has become a topical problem in France again. Since 1981, the BERGERAC institute has studied the efficiency of new endotherapeutic...