Effect of ozone on nicotine concentration in Nicotiana tabacum L. leaves

Thesis/Dissertation · Tue Jan 01 04:00:00 EST 1974

OSTI ID:5996092

Hoffmann, A R

The objective of this research was to determine the effect of various concentrations of ozone on the concentration of nicotine on leaves of Nicotiana tabacum. The plants were fumigated for four hours with six, twelve, and twenty-four parts per hundred million of ozone and the effects of each concentration ascertained. The results indicated that: 1) the nicotine concentration increased by approximately 80% in a fully expanded leaf (leaf 6), in a 65-95% expanded leaf (leaf 9), and in a 50% expanded leaf (leaf 12) of Nicotiana tabacum L. var. Bel-W3 when fumigated with 24 pphm ozone for 4 hours; 2) there was not significant change in the nicotine concentration of the corresponding leaves of plants fumigated with 12 or with 6 pphm ozone for 4 hours under the same conditions; and 3) there was no apparent relationship between the amount of ozone-induced flecking of the upper surface of a Bel-W3 leaf and the changes in nicotine concentration. 13 figures, 4 tables.

• OSTI ID: 5996092
• Country of Publication: United States
• Language: English

Related Subjects

560303* -- Chemicals Metabolism & Toxicology-- Plants-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
ALKALOIDS
AMINES
AUTONOMIC NERVOUS SYSTEM AGENTS
AZINES
AZOLES
BIOCHEMISTRY
BIOLOGICAL EFFECTS
CHEMISTRY
DRUGS
HETEROCYCLIC COMPOUNDS
LEAVES
NICOTIANA
NICOTINE
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OZONE
PARASYMPATHOLYTICS
PARASYMPATHOMIMETICS
PLANTS
POLLUTION
PYRIDINES
PYRROLES
PYRROLIDINES
QUANTITY RATIO