koning at ECSUC.CTSTATEU.EDU
Fri Feb 20 17:18:38 EST 1998
At 12:42 PM -0500 2/20/98, Margene RANIERI wrote:
>Does anyone out there know how to induce the formation of sporangia on
>greenhouse-grown Psilotum? For four years I have grown nice, lush,
>dark-green Psilotum plants in the greenhouse, but they lack the nice,
>yellow sporangia. Is there some photoperiod, temperature, nutritional
>state, etc. that I am overlooking? Six years ago my Psilotums
>produced sporangia and then, all of a sudden, they stopped. I am not
>doing anything different, as far as I know; help...
I've had the opposite problem...years of none...
but this year they are loaded. I think it has
to do with my moving it to a brighter position
in the greenhouse. I believe I had kept them in too
much shade! I'll be interested in other's comments
Ross Koning | koning at ecsu.ctstateu.edu
Biology Department | http://koning.ecsu.ctstateu.edu/
Eastern CT State University | phone: 860-465-5327
Willimantic, CT 06226 USA | fax: 860-465-4479
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