Re: Aphids and soapy spray

On May 12, 1:45=A0pm, David in Normandy <davidinnorma...@[EMAIL PROTECTED]
>
wrote:
> Des Higgins wrote:
> > I remember informally seeing mention of "lupin aphids" and you
> > certainly tend to see them on most lupin plants sooner or later and
> > they are distinctive through sheer size but here is the lowdown as
> > found by google:
>
> >http://www.rhs.org.uk/advice/profiles0401/lupin_aphid.asp
>
> Interesting link, thanks Des. I notice they mention a list of chemical
> insecticides but surprisingly don't mention the substantially cheaper
> and less toxic method I used. I would have thought the RHS would be more
> sup****tive of such approaches.

They talk of "fatty acids".  Isn't that the active ingredient in soap?

Cat(h)