1. Anderson, C. W., 1957, Seed transmission of three viruses in cowpea, Phytopathology
47:515.
2. Anonymous, 1968, Annual Report for 1967, p. 43, East Mailing Research Station, Maidstone, U.K.
3. Anonymous, 1969, Annual Report for 1968, p. 40, East Mailing Research Station, Maidstone, U.K.
4. Badami, R. S., 1958, Changes in the transmissibility by aphids of a strain of cucumber mosaic virus, Ann. Appl. Biol.
46:554.
5. Baker, K. F., and Smith, S. H., 1966, Dynamics of seed transmission of plant pathogens, Annu. Rev. Phytopathol.
4:311.