Gas exchange, antioxidants and foliar injuries in saplings of a tropical woody species exposed to ozone

Ozone (O 3) reaches phytotoxical concentrations in the tropics, but the sensitivity of tropical plant species to O 3 remains unknown. Visible foliar injuries, carbon assimilation ( A sat), stomatal conductance, superoxide dismutase enzyme (SOD) activity and ascorbic acid concentration (AA) were eval...

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Veröffentlicht in:	Ecotoxicology and environmental safety 2010-05, Vol.73 (4), p.685-691
Hauptverfasser:	Pina, Juliana M., Moraes, Regina M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Air Pollutants - analysis Air Pollutants - toxicity Antioxidants Antioxidants - analysis Antioxidants - metabolism Ascorbic Acid - analysis Ascorbic Acid - metabolism Brazil Enzymes Exposure Foliar injury Gas exchange Injuries Leaves Ozone Ozone - toxicity Plant Leaves - drug effects Plant Leaves - metabolism Psidium - drug effects Psidium - metabolism Psidium guajava Psidium guajava “Paluma” Seasons Sod Stress concentration Superoxide dismutase Superoxide Dismutase - analysis Superoxide Dismutase - metabolism Tropical tree
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