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RE: Re: CULT: alien weed - Cuscuta

  • Subject: RE: [iris-photos] Re: CULT: alien weed - Cuscuta
  • From: "Harold Peters" harold@directcon.net
  • Date: Mon, 27 Oct 2003 13:12:48 -0800
  • Importance: Normal

I still think that Roundup painted on the parasite is worth trying. Start
with just a few spots using working strength solution. If that works, slowly
increase the amount of parasite being treated. Isolation of parasite
infected plants and transfer control should also be considered to the extent
possible. A little Roundup can't be as damaging to the host as burning the

Harold Peters
Beautiful View Iris Garden
2048 Hickok Road
El Dorado Hills, CA 95762
harold@directcon.net <mailto:harold@directcon.net>

-----Original Message-----
From: J. Griffin Crump [mailto:jgcrump@erols.com]
Sent: Monday, October 27, 2003 11:30 AM
To: iris-photos@yahoogroups.com
Subject: Re: [iris-photos] Re: CULT: alien weed - Cuscuta

Oops -- yeah!  Now that we learn that it PENETRATES the host plant, NO,

----- Original Message -----
From: "Linda Mann" <lmann@volfirst.net>
To: "iris photos" <iris-photos@yahoogroups.com>
Sent: Monday, October 27, 2003 12:42 PM
Subject: [iris-photos] Re: CULT: alien weed - Cuscuta

> Lots of species of dodder (Cuscuta) are native, some not.  It's related
> to morning glory, but is parasitic.  Because part of the dodder is
> <inside> the host plant, just removing the visible part of the dodder
> <vine> won't get rid of it.
> I don't know what Roundup and other systemic plant poisons would do -
> might be translocated from the dodder to the host plant and kill both.
> Only sure disposal method I know is burning - both dodder and host
> plant.  Fragments will resprout.
> I don't remember ever having it in my garden, but see it occasionally
> out in fields.  The species I've seen must not be too successful - never
> much of it or in very large patches, & I don't remember seeing it in the
> same places from year to year.
> Web surf turned up interesting tidbit that it was used in pre-Columbian
> times as a dye in Mexico.
> --
> Linda Mann east Tennessee USA zone 7/8
> East Tennessee Iris Society <http://www.korrnet.org/etis>
> American Iris Society web site <http://www.irises.org>
> talk archives: <http://www.hort.net/lists/iris-talk/>
> photos archives: <http://www.hort.net/lists/iris-photos/>
> online R&I <http://www.irisregister.com>
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