Bull. Spec. CORESTA Congress, Harare 1994, p. 136, PPOST 8
New possibilities for the control of root rots on tobacco
Inst. for Tobacco and Tobacco Products, Plovdiv, Bulgaria
Tobacco in Bulgaria is annually attacked by black root rot ( Thielaviopsis basicola Berk and Br.) and black shank ( Phytophthora parasitica var. nicotianae Breda de Haan-Tucker). Black root rot is a problem mainly in tobacco seedlings, and black...