Stomata - Opening and closing times
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  #1  
Old 10-14-2021, 06:06 PM
rbarata rbarata is offline
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Stomata - Opening and closing times Male
Default Stomata - Opening and closing times

My doubt is:

If a CAM plant is in the dark and I change it into light how much will it take for the stomata to close. And the reverse, from light to dark (opening).

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Last edited by rbarata; 10-14-2021 at 06:16 PM..
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  #2  
Old 10-14-2021, 08:15 PM
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I cannot answer your question, but stomatal opening and closing is controlled by light levels, humidity and the availability of water at the root system...
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  #3  
Old 10-14-2021, 08:44 PM
rbarata rbarata is offline
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I'm aware that it might be a difficult question...I always assumed without any objective evidence to support it that it might take some time (1 hr, at least).
I water many of my orchids at night (rupics, Catts, etc) but, obviously, I need light to do it. So, there's a darkness interruption for a few minutes.
Hence my question....
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