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  non-aroid question
From: Lester Kallus lkallus at earthlink.net> on 2000.08.18 at 23:43:43(5293)
A friend of mine asked for help identifying the disease on some of his plants. (OK, all you folks from down south, I now expect a round of "why do you bother with those, we throw them away")

He brought home a few water hyacinths. They were supposedly doing perfectly fine in the pond from which he got them. He says that within just a couple days, the leaves began to turn white and all growth stopped.

Here's a photo of the dwindling plants:
http://home.att.net/~schale/bitmaps/hyac.jpg

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From: Don Martinson llmen at execpc.com> on 2000.08.19 at 23:26:05(5294)
>A friend of mine asked for help identifying the disease on some of
>his ... water hyacinths. They were supposedly doing perfectly fine
>in the pond from which he got them. He says that within just a
>couple days, the leaves began to turn white and all growth stopped.
>
>Here's a photo of the dwindling plants:
>http://home.att.net/~schale/bitmaps/hyac.jpg
>
>Given the variegation (especially that on the two-tone leaf), I
>thought this might be a virus. Does anyone out there have any other
>ideas?
>
>Thanks,
> Les

Hmmmm....

I note that in the photo, they are apparently growing in some rapidly
moving water, which is not where you generally find them. I also
note the elongated petiole on the older leaves, suggesting they might
have been grown in different light levels. Still, the variegation
suggests the possibility of a virus. If so, hurry up and patent it
so you can sell it as a biological control!

--
Don Martinson

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From: "D.J. Leedy" djleedy at netex.quik.com> on 2000.08.19 at 23:26:49(5295)
I have no idea what it is, but if it will kill off water hyacinth, we could
use some of it on our fishing lakes here in Texas.

David Leedy

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From: "Julius Boos" ju-bo at email.msn.com> on 2000.08.19 at 23:27:46(5297)
Dear Les,

Looks to ME like they are being grown under too 'stressful', unnatural
conditions with not enough nutrients in the water! They do NOT grow in
fountains with rushing, clear water! Try a still, warm, pond-like setting
with LOTS of nitrogen in the water (from the fish wastes) in full sun or
brighter light!
Some folks may not realise that living plants will not tollerate any
chemicals added to the fountain water to 'keep it clear'! He/she may have
added chlorine tablets, which will burn the delicate roots and cause the new
leaves to go 'white', then kill it.

Cheers,

Julius

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From: Dean Sliger deanslgr at juno.com> on 2000.08.20 at 09:40:19(5298)
On Sun, 20 Aug 2000 01:27:46 -0500 (CDT) "Julius Boos"
writes:
> Looks to ME like they are being grown under too 'stressful',
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From: Piabinha at aol.com on 2000.08.20 at 18:47:49(5300)
In a message dated 8/20/2000 2:27:18 AM Eastern Daylight Time,
djleedy@netex.quik.com writes:

> I have no idea what it is, but if it will kill off water hyacinth, we could

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From: mburack at mindspring.com on 2001.11.06 at 08:22:19(7744)
I think I knew the answer to this question, but I cant remember for the life of me.

Is anyone familiar witht the genus "Warszewiczia"? (my spelling might be off).

Any info would be appreciated.

From: Marcin shagar at cyber-sport.com.pl> on 2001.11.06 at 13:02:29(7752)
Hello,

Warscewicz was a Polish botanist whose interest was focused mainly on
orchids. There is an orchid genus Warscewiczella - possibly the one you
inquired about. Hope it helps.

Best regards
Marcin

From: StellrJ at aol.com on 2001.11.06 at 16:36:07(7755)
In a message dated Tue, 6 Nov 2001 11:22:53 AM Eastern Standard Time, mburack@mindspring.com writes:

>
> I think I knew the answer to this question, but I cant remember for the life of me.
>
> Is anyone familiar witht the genus "Warszewiczia"? (my spelling might be off).
>
> Any info would be appreciated.

Ah, yes, Warszwiczia. Common name, Chaconia (Probably a former generic name, like Poinsettia). The national flower of Trinidad and Tobago, cultivated in both single and double forms. Also a wild tree in Trinidad's and Venezuela's forests.

Jason Hernandez

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