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Environmental effects on δ13C shift in the leaves of sedum rubrotinctum

Mathur, D. D. ; Vines, H. M.

Communications in soil science and plant analysis, 1978-01, Vol.9 (9), p.843-850 [Periódico revisado por pares]

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Título:
Environmental effects on δ13C shift in the leaves of sedum rubrotinctum
Autor: Mathur, D. D. ; Vines, H. M.
Assuntos: C value ; Crassulacean acid metabolism ; IN CAM ; mass spectrophotometer ; OUT OF CAM ; titratable acidity
É parte de: Communications in soil science and plant analysis, 1978-01, Vol.9 (9), p.843-850
Descrição: Environmental effects on Sedum rubrotinctum, R. T. Clausen grown for at least 6 months in environmental condition that induce diurnal acid fluctuation (IN CAM) or prevent acid fluctuation (OUT OF CAM) exhibit certain metabolic changes which were studied. Change in photo-period alone caused the greatest amplitude of the acid fluctuation from 13.8 to 2.0 meq acid/100 g FW. The total δ 13 C values within a 24 hr period when IN CAM varied from -12.2 to -22.1% O compared to OUT OF CAM from -18.3 to -20.4% o . Isotope analysis proved a useful technique to study environmental effects and hourly shifting metabolic patterns of CAM plant.
Editor: Taylor & Francis Group
Idioma: Inglês

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