Leaf scorch of gladiolus caused by atmospheric fluoric effluents

Journal Article · Sun Jan 01 04:00:00 EST 1950 · Phytopathology; (United States)

OSTI ID:5010905

Johnson, F; Allmendinger, D F; Miller, V L; Gould, C J

An undescribed disease, herein referred to as leaf scorch of gladiolus, has been observed only in areas where the atmosphere was polluted with fluorine compounds. The plant symptoms in the field were reproduced by fumigation with hydrogen fluoride in a sealed room. Of 72 varieties studied for their reactions to fluoric effluents and amount of foliage injury or injury index, 7 were resistant (index less than 10), 13 were very susceptible (index 30 to 60), and the remainder fell between these two extremes. In general, the resistant varieties contained more fluorine in the foliage than the susceptible ones. The fluorine content of scorched plants from polluted areas was higher than from unscorched plants grown in areas remote from atmospheric fluoric effluents.

• Research Organization: Western Washington Experiment Station, Puyallup
• OSTI ID: 5010905
• Journal Information: Phytopathology; (United States), Journal Name: Phytopathology; (United States) Vol. 40; ISSN PHYTA
• Country of Publication: United States
• Language: English

Related Subjects

500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560303* -- Chemicals Metabolism & Toxicology-- Plants-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
BIOLOGICAL ACCUMULATION
BIOLOGICAL VARIABILITY
DATA
ELEMENTS
EXPERIMENTAL DATA
FLUORINE
HALOGENS
HYDROFLUORIC ACID
HYDROGEN COMPOUNDS
INFORMATION
INORGANIC ACIDS
LEAVES
NECROSIS
NONMETALS
NUMERICAL DATA
ORNAMENTAL PLANTS
PATHOLOGICAL CHANGES
PLANTS
POLLUTION
SENSITIVITY
SYMPTOMS
TOXICITY