Effects of cadmium and zinc on ozone-induced phytotoxicity in cress and lettuce

Journal Article · Mon Jan 01 04:00:00 EST 1973 · Plant Physiol. (Engl. Transl.); (United States)

OSTI ID:5262916

Czuba, M; Ormrod, D P

Cadmium or zinc solutions were applied to the foliage or roots of lettuce (Lactuca sativa L. cv. Grand Rapids) and cress (Lepidium sativum L. cv. Fine Curled) at concentrations of 100 parts per million (ppm) every four days for several weeks. Four weeks after sowing, plants were fumigated with 35 parts per hundred million (pphm) ozone, for 6 hours. Cress plants which had received root application of cadmium showed markedly increased ozone-induced phytotoxicity in terms of visible leaf damage and pigment degradation; in lettuce only pigment degradation was evident. There was less effect of zinc or foliar-applied cadmium on ozone phytotoxicity.

• Research Organization: Univ. of Guelph, Ontario
• OSTI ID: 5262916
• Journal Information: Plant Physiol. (Engl. Transl.); (United States), Journal Name: Plant Physiol. (Engl. Transl.); (United States) Vol. 51; ISSN PPHYA
• 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.
ABSORPTION
AIR POLLUTION
BIOLOGICAL EFFECTS
CADMIUM
ELEMENTS
FOLIAR UPTAKE
FOOD
INJURIES
LEAVES
LETTUCE
METALS
OZONE
PIGMENTS
PLANTS
POLLUTION
ROOT ABSORPTION
TOXICITY
UPTAKE
VEGETABLES
ZINC