TY  - SER
AU  - Bonilha,I.
AU  - Gioria,R.
AU  - Kobori,R.F.
AU  - Della Vecchia,P.T.
AU  - Piedade,S.M.de S.
AU  - Rezende,J.A.M.
TI  - Yield of varieties of Cucurbita pepo preimmunized with mild strains of papaya ringspot virus - type W and zucchini yellow mosaic virus
KW  - CUCURBITACEAE
KW  - VIRUS
KW  - MOSAICO
KW  - ESTIRPE
UR  - http://www.aprh.pt/rgci/pdf/rgci-155_Borges.pdf
ER  -