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Speaker at the IAS show in September--great news!

  • Subject: Speaker at the IAS show in September--great news!
  • From: <ju-bo@msn.com>
  • Date: Mon, 26 May 2008 20:37:00 +0000

> Date: Mon, 26 May 2008 11:09:09 +0200
> To: aroid-l@gizmoworks.com
> From: gibernau@cict.fr
> Subject: Re: [Aroid-l] Philodendrons produce infrared light???

Dear Marc,

What fantastic news that you will be the featured speaker at the IAS show and sale this coming September!   I will now really anticipate being there and finally meeting you and discussing pollination! 
See you soon!


> Dear Aroiders,
> I'll not write a long e-mail because, as I wrote to some of you in private 
> messages, the research on this topic is in fact "very" recent even if the 
> idea is may be 20 years old.
> Please find in attachment the figure of a recent paper written by Roger 
> Seymour (Univ. of Adelaide, Australia) and myself on the thermogenesis of 
> Philodendron melinonii.
> The paper is a bit complicate but the this figure present a real picture 
> and the equivalent IR picture of the same inflorescence during 
> thermogenesis (heating phase).
> Hence you can see the inflorescence like an insect could "see" it through 
> its IR receptors. Flashy!!! There is no question if the pollinating beetles 
> have IR receptors they can detect a heating inflorescence. The questions 
> now to study are:
> Do Cyclocephala beetles have IR receptors ?
> What are their sensibility & efficiency?
> Are IR radiations used as a guide by Cyclocephala beetles to find the 
> inflorescences to visit or are odors sufficient ?
> To finish, I would like to say that I have the honor to be the IAS speaker 
> during the Annual show next September, and that I'll pleased to tall you 
> some "nice "stories around thermogenesis and IR radiations.
> All the best,
> Marc
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