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Translocation of Nocturnally Fixed 14C in the Crassulacean Acid Metabolism Epiphyte Tillandsia Usneoides L.
Martin, Craig E.
Martin, Craig E.
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Abstract
Strands of the Crassulacean acid metabolism (CAM) epiphyte Tillandsia usneoides L. (Spanish moss)
were exposed to 14C02 in situ at night and were collected immediately and at intervals of up to 4 0 days.
Autoradiographs of the exposed strands were made. The tissue was separated into parts, oxidized, and
counted in a liquid scintillation counter. The entire surface of labeled portions of the plant took up 14CC>2.
There was very little translocation of 1 4C out of the labeled portion of the strand at 4 0 days. Translocation
within the labeled portion occurred from leaves and stems to nodal (meristematic) regions. The results are
similar to those found with several other CAM plants.
Description
This is the publisher's official version, also available electronically from: http://www.jstor.org/stable/10.2307/2474371.
Date
1982
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The University of Chicago Press
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Citation
Martin, C.E. 1982. Translocation of nocturnally fixed 14C in the Crassulacean acid metabolism epiphyte Tillandsia usneoides L. Bot. Gaz. 143: 1-4.