Effects of fluoride on chlorophyll degradation and synthesis
Thesis/Dissertation
·
OSTI ID:5972058
Hydrogen fluoride (0-15 ppb) fumigation studies were conducted on alfalfa (Medicago sativa, Ladak) to observe the effects of fluoride on chlorophyll degradation and synthesis. As a measure of these effects fumigated and non-fumigated alfalfa leaf tissue was analyzed for the relative amounts of chlorophyllides. Significant increases in the level of chlorophyllides were found in the fluoride fumigated leaf tissue. These findings prompted the question whether these increases arose from a fluoride stimulation of chlorophyll degradation, via dephytylation, and/or a fluoride inhibition of chlorophyll synthesis, via phytylation. 90 references, 28 figures, 8 tables.
- OSTI ID:
- 5972058
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
560303* -- Chemicals Metabolism & Toxicology-- Plants-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
ALFALFA
BIOLOGICAL EFFECTS
BIOSYNTHESIS
CARBOXYLIC ACIDS
CHEMICAL REACTIONS
CHLOROPHYLL
COMPARATIVE EVALUATIONS
DECOMPOSITION
HETEROCYCLIC ACIDS
HETEROCYCLIC COMPOUNDS
HYDROFLUORIC ACID
HYDROGEN COMPOUNDS
INORGANIC ACIDS
LEGUMINOSAE
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PHYTOCHROMES
PIGMENTS
PLANTS
POLLUTION
PORPHYRINS
SYNTHESIS
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
ALFALFA
BIOLOGICAL EFFECTS
BIOSYNTHESIS
CARBOXYLIC ACIDS
CHEMICAL REACTIONS
CHLOROPHYLL
COMPARATIVE EVALUATIONS
DECOMPOSITION
HETEROCYCLIC ACIDS
HETEROCYCLIC COMPOUNDS
HYDROFLUORIC ACID
HYDROGEN COMPOUNDS
INORGANIC ACIDS
LEGUMINOSAE
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PHYTOCHROMES
PIGMENTS
PLANTS
POLLUTION
PORPHYRINS
SYNTHESIS