Re: Scale on orchids

Thanks Scottie! That's very helpful. I'll start with the alcohol and Q-tip,
then spray. I really don't like to use chemical pesticides unless I HAVE
to. Especially since these plants are all right next to the back door on my
porch. 
Appreciate the info.
A

Andrea H
Beaufort, SC 


> [Original Message]
> From: Scottie Baugh <robbinsbaugh@earthlink.net>
> To: <gardenchat@hort.net>
> Date: 5/29/2005 2:02:13 AM
> Subject: Re: [CHAT] Scale on orchids
>
> Andrea,
>
> There is a complex answer to this in the June Orchids Magazine (formerly
AOS
> Bulletin), and at the end they quote this website:
> http://nathist.sdstate.edu/orchids/pests/scales.htm which seems to have
all
> of the info included in the article.
>
> In addition to the info in the above link, the Orchids article states: 
"The
> current arsenal of effective insecticides for the small grower of orchids
is
> more limited.  If you are looking for a systemic, about the only one
> available inexpensively is acephate (=Orthene).  This chemical now comes
in
> a wide variety of formulations from commercial wettable powders to
premixed
> over-the-counter spray bottles.  If you are using Isotox IV, this new
> formulation is a mixture of acephate and the miticide fenbutatin-oxide.
> Alternatives that are effective include Malathion, carbaryl, imadichloprid
> and the growth regulator kinprene (sold as EnstarII).  These are highly
> effective on crawlers, but not adults."
>
> In our greenhouse, we use alcohol and a q-tip -- time consuming, but it
> works, or rubbing alcohol mixed with a little Ivory dishwashing soap and
> water in a spray bottle.  So far we've not needed anything more potent
than
> that (knock wood).   I know that some growers highly recommend EnstarII,
but
> it is VERY expensive.
>
> There is a book, Orchid Pests and Diseases (www.aos.org or 561-404-2020)
> which is very good.  Most local orchid societies have it in their
> libraries -- if you visited a meeting, you could probably at least see if
> you wanted to purchase it.
>
> HTH!
>
> Scottie
> Texas Gulf Coast
>
> ----- Original Message ----- 
> From: "A A HODGES" <hodgesaa@earthlink.net>
> To: "gardenchat" <gardenchat@hort.net>
> Sent: Saturday, May 28, 2005 10:16 PM
> Subject: [CHAT] Scale on orchids
>
>
> > are seriously irritating me. I've been scraping them off by hand, but
> > more keep coming. For those of you who are orchid growers, how do you
> > treat scale on them? I am terrified of harming my orchids, some are
> > fairly young and I'm still new at this. It's not just one species
> > either. They're on all my orchids. Except for the Vanda. It's doing
> > great.
> >
> > Help!
> > A
> >
> >
> > Andrea H
> > Beaufort, SC
> >
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