TY  - BOOK
AU  - B.P. Ravikumar
AU  -  M.R. Kachapur  Department of Plant Pathology
TI  - Studies on powdery mildew of rose (Rosa Spp.0 Caused by Sphaerotheca pannosa Var. rosae (Wallr.) Lev
U1  - 630 
PY  - 1998///
CY  - Dharwad
PB  - University of Agricultural Scineces, Dharwad
ER  -