TY  - BOOK
AU  - A V MATHEW
AU  - Dr. S BALAKRISHNAN
TI  - ROLE OF WEEDS IN THE PERPETUATION OF VIRUS DISEASES OF VEGETABLES AND ORNAMENTAL PLANTS
U1  - J:4 N81 MA 30 
PY  - 1981///
CY  - COLLEGE OF AGRICULTURE VELLAYANI 
PB  - DEPARTMENT OF PLANT PATHOLOGY
ER  -