Effects of cadmium and zinc on ozone-induced phytotoxicity in cress and lettuce
Journal Article
·
· Plant Physiol. (Engl. Transl.); (United States)
OSTI ID:5262916
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), Vol. 51
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
CADMIUM
BIOLOGICAL EFFECTS
LETTUCE
INJURIES
OZONE
TOXICITY
ZINC
AIR POLLUTION
FOLIAR UPTAKE
LEAVES
PIGMENTS
ROOT ABSORPTION
ABSORPTION
ELEMENTS
FOOD
METALS
PLANTS
POLLUTION
UPTAKE
VEGETABLES
560303* - Chemicals Metabolism & Toxicology- Plants- (-1987)
CADMIUM
BIOLOGICAL EFFECTS
LETTUCE
INJURIES
OZONE
TOXICITY
ZINC
AIR POLLUTION
FOLIAR UPTAKE
LEAVES
PIGMENTS
ROOT ABSORPTION
ABSORPTION
ELEMENTS
FOOD
METALS
PLANTS
POLLUTION
UPTAKE
VEGETABLES
560303* - Chemicals Metabolism & Toxicology- Plants- (-1987)