Ozone injury in soybeans. Isoflavonoid accumulation is related to necrosis
Journal Article
·
· Plant Physiol.; (United States)
Fumigation of soybean leaves (Glycine max (L.) Merr.) with ozone caused stippling and silvering at the same time that large accumulations of the isoflavonoid compounds daidzein, coumestrol, and sojagol occurred. Nitrogen dioxide and sulfur dioxide caused lesser accumulation of the isoflavonoids, and peroxyacetyl nitrate did not result in significant accumulation. Visible toxicity and chemical changes in ozone-fumigated leaves were similar to the hypersensitive disease defense reaction of soybean leaves to the pathogen Pseudomonas glycinea, except that the phytoalexin hydroxyphaseollin was not produced in the ozone-treated leaves. (auth)
- Research Organization:
- Univ. of California, Riverside
- OSTI ID:
- 7354832
- Journal Information:
- Plant Physiol.; (United States), Journal Name: Plant Physiol.; (United States) Vol. 55:4; ISSN PLPHA
- Country of Publication:
- United States
- Language:
- English
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Tue Feb 28 23:00:00 EST 1978
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OSTI ID:6241448
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·
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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.
BIOLOGICAL EFFECTS
BUILDUP
CHALCOGENIDES
DISEASES
FLAVENOIDS
FLAVONES
FOOD
INJURIES
NECROSIS
NITROGEN COMPOUNDS
NITROGEN DIOXIDE
NITROGEN OXIDES
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
OZONE
PATHOLOGICAL CHANGES
SOYBEANS
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
TERPENES
TOXICITY
VEGETABLES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BIOLOGICAL EFFECTS
BUILDUP
CHALCOGENIDES
DISEASES
FLAVENOIDS
FLAVONES
FOOD
INJURIES
NECROSIS
NITROGEN COMPOUNDS
NITROGEN DIOXIDE
NITROGEN OXIDES
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
OZONE
PATHOLOGICAL CHANGES
SOYBEANS
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
TERPENES
TOXICITY
VEGETABLES