TY  - BOOK
AU  - NAVTEJ Singh
TI  - Studies on brown spot of rice caused by Helminthosporium oryzae breda de haan in Punjab
U1  - 633.189 4 N29S 
PY  - 1997///
PB  - Ludhiana
KW  - RICE BROWN SPOT DISEASE
KW  - FUNGUS DISEASES OF PLANTS
ER  -