the symptom of overfertilized Amorphophallus?

Dear Andras,

I am NOT an expert, but when I used to grow aquatic aroids, they used to suffer "leaf burn'', and I was told that the man-made granular AND some liquid fertilizers which contain ''salts'' were the main cause of this problem.  I was given some liquid fertilizers with a low-salt content, and advised to use them in a weak mix more frequently, and to allow rain to 'flush'' the soil as often as possible, I also used OLD cow manure and WEAK mixes of fish emulsion fertilizer, this certainly improved the leaf burn situation.  Perhaps you need to reduce the amount of fertilizer you use?
I hope that this may work for you.

Good Growing,

Julius

Date: Mon, 8 Jun 2009 13:30:42 +0200
From: asziranyi@gmail.com
To: aroid-l@gizmoworks.com
Subject: Re: [Aroid-l] Is this the symptom of overwatered Amorphophallus?

Hi All,

Thanks you for the responses. Let's see the answers:

- Sun burning and "peeling" - what means a type of mechanical damage (As I am correct)
- Over fertilization.

Because all my plants are inside the flat and none of them are in front of the window, the sun burst isn't my problem. As I know there was no mechanical damage, too.
But I fertalized my plants a lot, so it seems to be the real problem.

Thank you again Agoston and Scott!

Bests,

Andras





On Mon, Jun 1, 2009 at 11:27 PM, Scott Hyndman <h*@aroid.org> wrote:
Hi Andras,

This necrosis and burning of the edges of the leaf tissue is
typically a symptom of over fertilization.

Regards, Scott

On May 29, 2009, at 5:44 AM, Andras Sziranyi wrote:

> Hi All,
>
> After few years of inactivity now I have more time to care for
> Amorphophalluses. I have only one specie (but one plant has
> different stub - we can discuss it later) the A. konjac. I hold
> them inside our flat because I don't have garden.
>
> Few days ago I've found that the leaves started to searing. Here is
> a picture about this:
>
> http://picasaweb.google.com/asziranyi/Amorphophallus?
> authkey=Gv1sRgCMDl9bvfjYbdrAE#5341174943982983570
> Could anybody know what wants the leaves tell me? :-)
>
> Thank you,
>
> Andras from Budapest, Hungary
>
> PS: Just imaging is here anybody from Hungary, too?
>
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