On Thu, 8 Jan 2004 08:28:07 +0000 (UTC), "Franz Heymann"
wrote:


"Steve Harris" wrote in message
...
On http://www.scs.leeds.ac.uk/cgi-bin/p...opaeolum+majus I
read

"Research indicates that aphids flying over plants with orange or yellow
flowers do not stop, nor do they prey on plants growing next to or above
the flowers[201]. "

[201] Allardice.P. A - Z of Companion Planting. Cassell Publishers Ltd.
1993 ISBN 0-304-34324-2

So could one protect crops from aphids by putting out plastic flowers?
(which might be more convenient)

Perhaps ribbons of coloured paper might do the job.
Something for the organic growers to try out?

))
--
Martin