SEROLOGICALLY RELATED STRAINS OF POTATO VIRUS <i>Y</i> THAT ARE NOT MUTUALLY ANTAGONISTIC IN PLANTS

F. C. Bawden, B. Kassanis

Annals of Applied Biology · 1951 · 43 citations · 9 references

Concepts

Abstract

Tobacco veinal necrosis virus is serologically related to potato viruses Y and C. It does not protect tobacco, Nicotiana glutinosa , or potato plants from infection by them, and tobacco and N. glutinosa plants infected with either virus Y or C are still susceptible to it. There is some evidence that it does not multiply normally in potato plants infected with virus Y and that it is sometimes suppressed in such plants. The possession of antigenic groups in common with viruses Y and C is considered to justify identifying tobacco veinal necrosis virus as a strain of virus Y , and to be of greater taxonomic significance than failure to protect plants against other strains. A further difference from other strains is that it is more virulent towards tobacco than towards potato.

References

9