IUBio

Concentric ring growth

Naimhling naimhling at aol.com
Thu Jan 9 12:03:12 EST 2003


Hello All:

Is there any information that can be gleaned from the concentric ring patterns
seen on isolated circular colonies of common molds such members of Cladosporia,
Penicillia, etc?

I have noticed that as the colonies grow, they do so in fashion that leaves
distinct concentric rings (see the photograph at
http://members.aol.com/naimhling/ceilingrings.jpg)

Can I infer any information about the number/size of the rings? (moisture?
diurnal light? temperature?… fill in the blank?)

Caoimhín P. Connell
Naimhling at aol.com




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