Houseplants forum: Spider plant vs Mother-in-Law's Tongue: Day vs Night

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dert17
Mar 2, 2015 11:53 AM CST
I know that Spider plant and Mother-in-Law's Tongue produce oxygen at night. That's why they are very good in bedroom.

Do Spider plant and Mother-in-Law's Tongue produce oxygen at during the day?

Let me suggest that Spider plant produce A oxygen at night. How much oxygen does Spider plant produce at during day? A or 2*a or A/2?

Let me suggest that Mother-in-Law's Tongue produce B oxygen at night. How much oxygen does Mother-in-Law's Tongue produce at during day? B or 2*B or B/2?

Can you compare A and B? (Lets talk about plants in good shape and in good ัondition, I mean adult plants)

Thank you.

Spider Plant for me is Vittatum

Mother-in-Law's Tongue for me is Sansevieria laurentii

I know that you can't write exact figures but you can write approximate figures. For example A>B or something like that. I'd like to read any your supposition.
[Last edited by dert17 - Mar 2, 2015 12:05 PM (+)]
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Name: Tiffany
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purpleinopp
Mar 3, 2015 7:54 AM CST
Who has equipment for measuring such things?
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Name: anwprods
Pearl City, Hawaii (Zone 12b)
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anwprods
Aug 9, 2016 4:29 AM CST
This is the first time I'm learning that the Spider plant gives off oxygen at night. Could you list a reference?
Here is the reference for the Mother-in-Law's Tongue:
https://www.ted.com/talks/kamal_meattle_on_how_to_grow_your_...
Name: Steve Claggett
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madcratebuilder
Aug 9, 2016 11:18 AM CST
You may find some info on NASA web sight. NASA did some experiments with spider plants and the oxygen they produced at the space station.
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Name: Lin
Florida (Zone 9b)
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plantladylin
Aug 9, 2016 11:23 AM CST
Here's the NASA Clean Air Study on a few plants: https://en.wikipedia.org/wiki/NASA_Clean_Air_Study

Edited to add the following links with more information:
http://www.nwf.org/news-and-magazines/national-wildlife/gree...
http://www.mnn.com/health/healthy-spaces/photos/15-houseplan...
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[Last edited by plantladylin - Aug 9, 2016 11:26 AM (+)]
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Name: Sally
central Maryland
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sallyg
Aug 9, 2016 6:28 PM CST
I'm feeling unsure about this topic. Plants use CO2 during the day and give off O2. But I think they may reverse at night, as there is no sunlight for metabolism.
We need some better data/sources. I didn't see aything yet about oxygen production at night, only removal of pollutants. Shrug!
Different link about Sanseveria
http://www.secrets-of-longevity-in-humans.com/oxygen-produci...
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Name: Gene Staver
Portage WI 53901 (Zone 5a)
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gasrocks
Aug 9, 2016 7:06 PM CST
I have trouble believing that one small plant will make a huge difference in the average person's home.
200 plants ? Maybe. Are we really going to have and care for plants based on what NASA says? Myself, I'll so with my heart and surround with what looks good. Gene
Name: Sally
central Maryland
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sallyg
Aug 9, 2016 9:50 PM CST
Gene, I agree
..come into the peace of wild things..-Wendell Berry
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Name: Will Creed
NYC
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WillC
Aug 13, 2016 9:59 AM CST
It was not that long ago where people were banning plants from bedrooms because they mistakenly believed that plants "steal" oxygen at night. Now we seem to have come full circle with allegations that plants produce oxygen at night. In general, during photosynthesis (in the presence of sunlight) plants do use CO2 and emit oxygen, both in rather small quantities. When the sun goes down, photosynthesis stops and the use of CO2 and production of oxygen pretty much stops. There may be a slight tipping toward CO2 production at night, but it is very small and over the course of any 24 hour period, plants produce more oxygen than CO2. In balance, then, plants are beneficial in that regard.

That said, Gene is correct in writing that the overall effect is rather marginal unless you are living in a room or house that is crammed full of plants. This also applies to the NASA studies regarding the air-cleaning ability of plants; they are greatly exaggerated.

Select plants based on the available light and enjoy plants because they look nice and make you happy, not because of some exaggerated health benefits. Thumbs up
Will Creed
Horticultural Help, NYC
[url=www.HorticulturalHelp.com]www.HorticulturalHelp.com[/url]

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