TY  - SER
AU  - Almeida,A.M.R.
AU  - Lister,R.M.
TI  - Bud blight symptomatology and virus titer in soybeans singly and doubly infected with soybean mosaic and tobacco ringspot virus
KW  - SOJA
KW  - QUEIMA DO BROTO
KW  - MOSAICO
KW  - MANCHA ANGULAR
KW  - SINTOMA
ER  -