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Q: measuring light in liverwort cultures

H.J. Sluiman mbhsl at s-crim1.dl.ac.uk
Thu May 18 07:10:22 EST 1995

Measuring light quantity and quality in growth-chamber cultures of 
As part of a Doctoral project on liverwort (Asterella) taxonomy, I am 
trying to measure morphological consequences of shading. I am 
growing cultures in alternate bright and shaded (by muslin) shelves of 
a growth chamber. The effects are striking: longer narrower thalli in 
shade. How can I measure the mean light quantity and quality for 
each shelf of the chamber? What equipment do I need and can I
borrow or hire it in Britain/ Scotland/ Edinburgh?
David Long, Royal Botanic Garden Edinburgh (d.long at rbge.org.uk)

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