Spring.wmf (18300 bytes) Plant Physiology (Biology 327)  - Dr. Stephen G. Saupe;  College of St. Benedict/ St. John's University;  Biology Department; Collegeville, MN  56321; (320) 363 - 2782; (320) 363 - 3202, fax;    ssaupe@csbsju.edu

The Effect of a 24 Hour Light Period on the Circadian Rhythm of Albizzia julibrissin (Silk Tree) Through the Measurement of Leaf Surface Area Exposed to Light  - by Erika Nunnink & Josh Suckow - This movie shows the effect of placing a silk tree in 24 light or alternating light/dark period.  A graphical analysis of the movie is provided.       

Click here for movie

 

 

 

 

 

 

 

 

 

 

 

 

 

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Last updated:  01/07/2009     � Copyright  by SG Saupe