TY  - GEN
AU  - Kelaniyangoda, D.B.
TI  - Indentification of viruses using symptoms and transmission: for the course modulsHC 4171-pest management in horticulture BT 4168-virology
U1  - 632.9 
PY  - 2009///
CY  - Makandura
PB  - Wayamba University
KW  - PEST CONTROL HORTICULTURE
KW  - PEST MANAGEMENT HORTICULTURE TEACHING MATERIAL
KW  - VIRUS DISEASES
KW  - HORTICULTURE
ER  -