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Re: [aroid-l] Amorphophallus tuber disease

  • Subject: Re: [aroid-l] Amorphophallus tuber disease
  • From: "Scott Taylor" staylor@brevardparks.com
  • Date: Mon, 17 Feb 2003 15:59:46 -0500
  • Importance: Normal

Rand: Thanks for your reply.. so this technique (sulfur) has worked with
paeoniifolius also?  Because I have actually cut away the necrotic tissues
and treated it with a fungicide paste, only to have the disease progress..
Is sulfur considering fungicidal?

D. Scott Taylor, Ph.D.
Brevard County Environmentally Endangered Lands (EEL) Program
Central Region Land Manager
5560 North US Highway 1
Melbourne, FL 32940
tel: 321.255.4466
FAX: 321.255.4499
email: staylor@brevardparks.com

-----Original Message-----
From: aroid-l-owner@lists.ncsu.edu
[mailto:aroid-l-owner@lists.ncsu.edu]On Behalf Of Rand Nicholson
Sent: Saturday, February 15, 2003 7:10 AM
To: aroid-l@lists.ncsu.edu
Subject: Re: [aroid-l] Amorphophallus tuber disease

Hi Scott:

This is certainly not Florida, but I do have to store my various
tender tubers over the winter out of ground and the only thing I have
used is a dusting of common sulphur powder. This is applied before
planting and after being dug up and dried. The tubers do not rot and
varmints do not nibble at them. If a tuber is dug and there is a
"soft spot" on any of them, I simply cut back to good flesh, dust the
wound and let it dry. If not badly damaged the tuber will usually
sprout again and form a new healthy tuber. They are stored cool and
dry, except an Amorph. konjac (cleaned but untreated, sulphur being
what it is), which I often use as a paperweight on my desk just to
make people ask questions. Plus, it is interesting to watch the thing
slowly start up at the growing point when it decides to do so.


z5b Maritime Canada (-23 C, where moose wear mittens)

>Hello: Pardon if I have already contacted a few of you directly on this
>issue: I am attempting to grow Amorphophallus paeoniifolius in some
>quantity.  (I live in east central Florida).  I have had problems with
>(apparent) fungal injections in the tubers after harvest.  I am given to
>understand that this is not an uncommon problem: they develop rotten spots
>within one week, as this affliction continues until most of the tubers are
>unsuitable for planting next season.  I have not used fungicides in the
>past, either during the growing season or during post-harvest.  I suspect
>this point that I should do both.  Can any of you give specific
>recommendation on actions to take during both the growing season and
>post-harvest?  I.E. specific fungicides, methods of handling at harvest,
>storage of tubers, etc.  Any advice would be well-appreciated.. it is very
>distressing to watch a 8 kg. tuber rot before ones eyes!
>Thanking you very much in advance.
>D. Scott Taylor, Ph.D.
>Brevard County Environmentally Endangered Lands (EEL) Program
>Central Region Land Manager
>5560 North US Highway 1
>Melbourne, FL 32940
>tel: 321.255.4466
>FAX: 321.255.4499
>email: staylor@brevardparks.com

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