TY  - GEN
AU  - Joshi,H.U.
TI  - Mosaic disease of Vinca rosea l.Some observations on virus diseases of periwinkle in Delhi
KW  - Catharanthus rosens
KW  - Nicotiana tabacum
KW  - Lycopersicon essulentum
KW  - Inoculation
KW  - Dilution
KW  - Bacillus subtilis
ER  -