Publication: Photosynthesis in eucalyptus studied by the open photoacoustic technique: Effects of irradiance and temperature
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Undergraduate course
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Maik Nauka/interperiodica Publ
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Article
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Abstract
This work demonstrates the usefulness of the Open Photoacoustic Cell Technique to study the effects of irradiance and temperature on photosynthesis. bl vivo and ill situ photosynthetic induction measurements were performed in three different species of eucalyptus plants (E. grandis, E. urophylla, and E, urograndis) previously dark-adapted at different temperatures. Photosynthetic activity curves were built as a function of light intensity, indicating the occurrence of photosynthesis saturation. E. urograndis presented higher photosynthetic activity than the other species, especially at low temperature, indicating its tolerance to stress conditions. The incidence of background saturation light of various intensities allowed the irt situ study of photoinhibition in eucalyptus plants through open photoacoustics. (C) 2001 MAIK Nauka/Interperiodica.
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English
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Acoustical Physics. Melville: Maik Nauka/interperiodica Publ, v. 47, n. 1, p. 16-21, 2001.
