Milwaukee, Wisconsin
mailto:llmen@wi.rr.com
On 12/12/11 11:32 AM, "Geneviève Ferry" wrote:
> Dear Theodore ,
> I do not know the exact word that refers to plants that absorb pollution. I
> apologize.
> But I think everyone has understood what I wanted to say.
> Some of my friends say that is only to trade and sell plants, other frien ds
> think that plants act against the pollution.
> It is a long debate which is very interesting because the family Araceae is
> well represented.
> Many thanks
> Geneviève
>
>
> -----Message d'origine-----
> From: Theodore Held
> Sent: Thursday, December 08, 2011 3:35 PM
> To: Discussion of aroids
> Subject: Re: [Aroid-l] depolluting plants
>
> Genevieve,
>
> I have never heard of this term myself. It seems from your message
> that people are advertising plants as being "de-polluted". Is that
> correct? If that is so, my initial reaction is that it is a false
> claim. The amount of pollution is going to be almost unimaginably low
> in a cultivated plant that looks healthy. Even if a plant did have
> some low level of pollution (and one wonders what that term might
> mean; it could mean heavy metals, plutonium, organic toxins, or any
> number of substances) in its tissues, unless you ate a very large
> quantity, the transfer to you or your environment will be essentially
> nil.
>
> Maybe someone else has better information here. But you raise my
> natural scientific skepticism.
>
> Ted Held
> Research Chemist.
>
> 2011/12/5 Geneviève Ferry :
>> Dear aroiders ,
>>
>> I want your opinion on depolluting plants because the aroids family is
>> often present (Anthurium, Pothos, Philodendron and especially
>> Spathyphillum). There are scientific studies about aroids? If so, which?
>> Or that is only a means for commercial sale?
>> I 'm very interested.
>> All the best ,
>>
>> Geneviève Ferry
>>
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