Fasciated daisies

[Stephan Helfer]

on 4 June Sean Edwards asked:

>Can anybody provide me with a lead on fasciated daisies Bellis
>perennis? Or any good (available) source book on general plant
>teratologies?

Many fasciation phenomena are caused by Rhodococcus fascians
(=Corynebacterium f.), a gram positive bacterium. It has been shown
to cause this condition on Chrysanthemum, so Bellis could possibly be
a host too (but I have no reference for this). References are:
Goodfellow, Syst. appl. Microbiol 5:225, 1984; Elia,
Phytopathologische Zeitschrift 110:89, 1984. A search of Alta Vista
gives interesting results.

Cheers

Stephan
0131 248 2865
FAX 248 2901