TY  - GEN
AU  - Helms Jørgensen, J. 
AU  - Torp, Jan
TI  - The distribution of spring barley varieties with different powdery mildew resistances in Denmark from 1960 to 1976 Reprint from Den Kgl. Veterinær- og Landbohøjskole årsskrift 1978
PY  - 1978///
CY  - Copenhagen
PB  - The Royal Vet. and Agri. University
KW  - Pathology
KW  - PLANT DISEASES PATHOGENS RESISTANCE BARLEY
ER  -