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|Title:||On the Monoterpene Emission under Heat Stress and on the Increased Thermotolerance of Quercus ilex L. Fumigated with Selected Monoterpendes.|
|Authors:||LORETO Francesco; FOERSTER Andrea; DUERR Marlene; CSIKY Olav; SEUFERT Guenther|
|Citation:||Plant, Cell and Environment vol. 21 p. 101-107|
|JRC Publication N°:||JRC16240|
|Type:||Articles in Journals|
|Abstract:||Leaves of the monoterpene emitter Quercus ilex were exposed to a temperature ramp with 5C steps from 30C to 55C while maintained under conditions in which endogenous emission of monoterpenes was allowed or suppressed, or under fumigation with exogeneous selected monoterpenes. Fumigation with monoterpenes reduced the decline of photosynthesis and photorespiration found in non-fumigated leaves exposed to high temperatures. It also increased respiration when photosynthesis and photorespiration were inhibited by low 02 and CO2-free air. Finally, fumigation allowed for a more rapid recovery of photosynthesis and monoterpene emission when the 30C temperature was restored. These results indicate that, as previously reported for isoprene, monoterpenes may help plants to cope with heath stress. Membrane stability may be enhanced by monoterpenes therefore causing a rather non-specific stimulation.|
|JRC Institute:||Joint Research Centre Historical Collection|
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