Developmental and Photosynthetic Characteristics of a Photoautotrophic Chrysanthemum Culture |
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Authors: | Cristea V Dalla Vecchia F La Rocca N |
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Institution: | (1) Biological Research Institute, Republicii 48, 3400 Cluj-Napoca, Romania;(2) Department of Biology, University of Padova, G. Colombo 3, 35121 Padova, Italy |
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Abstract: | Chrysanthemum plantlets were cultivated in vitro on media with 2.0, 0.3, or 0 % sucrose, or photoautotrophically without an organic carbon source but with supplementation
of the culture vessel atmosphere with 2 % CO2. The photoautotrophically cultivated plantlets showed a better growth and multiplication, higher contents of chlorophyll
(Chl) and carotenoids, higher Chl a/b ratio, net photosynthetic rate and ribulose-1,5-bisphosphate carboxylase/oxygenase and phosphoenolpyruvate carboxylase activities
than plantlets grown on the medium with sucrose.
This revised version was published online in June 2006 with corrections to the Cover Date. |
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Keywords: | carotenoids chlorophyll in vitro CO2 supply net photosynthetic rate phosphoenolpyruvate carboxylase photosynthetic pigments ribulose-1 5-bisphosphate carboxylase suncaps |
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