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Re: Odd behavior on Colocasia.


I have grown Colocasia gigantea as annuals, planted out in temperate climate. As they are strong growers under optimal conditions in our summer, they showed similar behaviours. After investigating the petioles, I found out that some of the extensively produced rhizoms went caught in the petioles. As soon the leaf finally goes, the new offset survives as soon the knot is touching ground and new roots are formed.
A similar behaving I found with climbing Philodendrons and Monsteras, where it frequently happened that aerial roots developed in the shelter of petioles.

Best regards
Helmut Reisenberger     

> -----Ursprüngliche Nachricht-----
> Von: "Brian Williams" <pugturd@alltel.net>
> Gesendet: 12.08.08 06:53:19
> An: Discussion of aroids <aroid-l@gizmoworks.com>
> Betreff: Re: [Aroid-l] Odd behavior on Colocasia.

>  I have what I believe is a hybrid Colocasia used as a food crop growing 
> in my display. I got the plant several years ago and it has just 
> recently started behaving oddly by  putting out new leaves and as the 
> old leaves grow a knot forms at the upper portion of the petiole and a 
> new leaf emerges out. I am guessing that this leaf and petiole is acting 
> similar to a runner. So far it has not formed new plants from these 
> growths but it is untelling as some are fairly new. Has anyone seen this 
> before? I have been growing a lot of these and this is a first. At the 
> moment the plant has 3 of these forming.
> Here are the photos of the plant in question.
> http://flickr.com/photos/briansbotanicals/
> _______________________________________________
> Aroid-L mailing list
> Aroid-L@www.gizmoworks.com
> http://www.gizmoworks.com/mailman/listinfo/aroid-l

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