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Re: [aroid-l] Growing problems.

  • Subject: Re: [aroid-l] Growing problems.
  • From: "Petra Schmidt" petra@plantdelights.com
  • Date: Sat, 7 Sep 2002 11:30:43 -0400

We sometimes see bacteria/fungus problems at this time of year with
Amorphophallus petiole rot...leaf mushes out quickly as well...sometimes the
spread is so fast down the tuber that there's nothing to do but get rid of
the whole plant.  We've got some curious ponderings in regards to why some
plants/collections may be more inclined to show bacteria/fungal
problems...let me ask you this, Susan...do you smoke cigarettes?

----- Original Message -----
From: "Paul Tyerman" <ptyerman@ozemail.com.au>
To: <aroid-l@lists.ncsu.edu>
Sent: Saturday, September 07, 2002 3:03 AM
Subject: Re: [aroid-l] Growing problems.

> At 02:34  6/09/02 -0500, you wrote:
> >Hi all,
> >I have been having some problems with a few plants this summer.  I put in
> >raised beds and planted my Amorphophallus tubers out.  My problem is some
> >plants have "rotted" right at the top of the soil, causing the plant to
> >over.  The odd thing is,  the rest of the plant and bulb looks fine.
> >Foliage looks great.
> Susan,
> Has teh plant rotted, or has something munched around the stem at ground
> level.  This is just a guess, but I've heard of various types of cutworms
> (that is what i have heard them called) that tend to munch around the base
> of a stem of a desireable plant, effectively killing off everything above
> the soil.  Not knowing much on what specific insects do this (and of
> that could vary in your climate as well) I cannot suggest specific
> culprits, but it might be worth investigating to see if there is evidence
> of damage at the soil level, rather than it rotting from within.  If
> happened like that, anythign below the soil surface would be left
> healthy, just as you describe.
> It might be worth investigating.  Hope this might give you a lead to work
> from.
> Cheers.
> Paul Tyerman
> Canberra, Australia.  USDA equivalent - Zone 8/9
> mailto:ptyerman@ozemail.com.au
> Growing.... Galanthus, Erythroniums, Fritillarias, Cyclamen, Crocus,
> Cyrtanthus, Liliums, Hellebores, Aroids, Irises plus just about anything
> else that doesn't move!!!!!

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