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Re: Darkness period and plant flowering

Dr Momfish writes:

> When I studied botany at university (many moons ago) we were taught that
>  there are "short-day" and "long-day" plants.  Since that time this has all
>  been overturned.  Quite recently, there was an article in the newspaper
>  saying that there was no such thing, and that in fact it was the duration
>  the night period only that determines whether a particular plant will
>  or not.  Apparently that is that.

Okay, I'll bite.  Isn't a short-night plant, by necessity also a long-day
plant?  And a long-night plant (that and reduced watering is the secret to
getting your christmas cactus to bloom during christmas) would obviously be a
short-day plant.  Yes?  I mean, there are only 24 hours in a day, and if you
extend the dark period, you HAVE TO shorten the light time.  Or have you found
some cool trick I don't know about yet?

Bob Dixon