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Ethylene and ethane production from sulfur dioxide-injured plants [Alfalfa, air pollution]

Peiser, Galen D. ; Yang, Shang Fa

Plant Physiol.; (United States), 1979, Vol.63 (1), p.142-145 [Revista revisada por pares]

United States: American Society of Plant Physiologists

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Título:
Ethylene and ethane production from sulfur dioxide-injured plants [Alfalfa, air pollution]
Autor: Peiser, Galen D. ; Yang, Shang Fa
Materias: 560303 - Chemicals Metabolism & Toxicology- Plants- (-1987) ; AIR POLLUTION ; ALFALFA ; ALKANES ; ALKENES ; BIOLOGICAL EFFECTS ; CHALCOGENIDES ; ELECTROMAGNETIC RADIATION ; ETHANE ; ETHYLENE ; Ethylene production ; Free radicals ; Fumigation ; Gases ; HYDROCARBONS ; Leaves ; LEGUMINOSAE ; Light ; Lipids ; ORGANIC COMPOUNDS ; OXIDES ; OXYGEN COMPOUNDS ; Ozone ; PLANTS ; POLLUTION ; RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT ; RADIATIONS ; SEEDLINGS ; SULFUR COMPOUNDS ; SULFUR DIOXIDE ; SULFUR OXIDES ; VISIBLE RADIATION
Es parte de: Plant Physiol.; (United States), 1979, Vol.63 (1), p.142-145
Notas: H
H50
ObjectType-Article-1
SourceType-Scholarly Journals-1
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Descripción: After alfalfa (Medicago sativa) seedlings were exposed to approximately 0.7 microliter per liter SO2 for 8 hours, elevated ethylene and ethane production was observed. Ethylene production peaked about 6 hours and returned to control levels by about 24 hours following the fumigation, while ethane production peaked about 36 hours and was still above control levels 48 hours after the fumigation. Light had an opposite effect upon the production of the two gases: ethane production rates were higher from plants held in light, whereas ethylene production rates were higher from those held in the dark. Peak ethylene and ethane production rates from SO2-treated plants were about 10 and 4 to 5 times greater, respectively, than those of the control plants. Ethylene appeared to be formed primarily from stressed yet viable leaves and ethane from visibly damaged leaves. The different time courses and light requirements for ethylene and ethane production suggest that these two gases were formed via different mechanisms. Light appears to have a dual role. It enhances SO2-induced cellular damage and plays a role for repairs.
Editor: United States: American Society of Plant Physiologists
Idioma: Inglés

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Ethylene and ethane production from sulfur dioxide-injured plants [Alfalfa, air pollution]

Peiser, Galen D. ; Yang, Shang Fa

United States: American Society of Plant Physiologists

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