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Photosynthetic Assimilation of ¹⁴CO₂ by Mature Brown Stems of the Tea Plant (Camellia sinensis L.)
Annals of Botany
Vol. 39, No. 159 (January 1975), pp. 137-140
Published by: Oxford University Press
Stable URL: http://www.jstor.org/stable/42752236
Page Count: 5
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The fixation of ¹⁴CO₂ by mature brown stems of the tea plant was studied by supplying ¹⁴CO₂ to selected stems of pruned and intact plants for 24 h under field conditions. Utilization of ¹⁴C assimilates for the production of new shoots was also examined. The photosynthetic nature of the fixation of ¹⁴CO₂ is demonstrated. The efficiency of this fixation was very low compared with that taking place in leaves. The movement of labelled assimilates from stem bark to the roots was inappreciable, whereas newly emerged shoots on the pruned frame drew labelled assimilates from stem bark.
Annals of Botany © 1975 Oxford University Press