The effect of a long‐term water stress on the metabolism and emission of terpenes of the foliage of <i>Cupressus sempervirens</i>

Yani, Abdelhamid; Pauly, Ginette; Faye, M.; Salin, Franck; Gleizes, Michel

doi:10.1111/j.1365-3040.1993.tb00521.x

Cited by 51 publications

(41 citation statements)

References 32 publications

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“…The compounds detected also were similar to those in the previous two studies, but the monoterpene proportions were similar only to those in Yani et al (1993). Yatagai et al (1995) reported that limonene was responsible for 83 % of the emission blend, however, limonene represented only ca.…”

Section: Discussionsupporting

confidence: 85%

“…Foliar Emission Rates Foliar terpene emission rates of the control ranged between 2 and 4 μg g −1 dw h −1 , similar to rates reported by Yatagai et al (1995) and Yani et al (1993) for the same species. The compounds detected also were similar to those in the previous two studies, but the monoterpene proportions were similar only to those in Yani et al (1993).…”

Section: Discussionsupporting

confidence: 77%

“…The composition of basic terpenes in several tissues and the reaction to some environmental changes have been studied for this tree (Gallis et al 2007;Mazari et al 2010;Piovetti et al 1980Piovetti et al , 1981Yani et al 1993;Yatagai et al 1995). Two terpene phytoalexins, cupressotropolone A and B, were detected in Italian cypresses inoculated with Diplodia pinea f. sp.…”

Section: Introductionmentioning

confidence: 99%

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Strong Induction of Minor Terpenes in Italian Cypress, Cupressus sempervirens, in Response to Infection by the Fungus Seiridium cardinale

Achotegui-Castells

Danti²,

Llusià

et al. 2015

J Chem Ecol

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Seiridium cardinale, the main fungal pathogen responsible for cypress bark canker, is the largest threat to cypresses worldwide. The terpene response of canker-resistant clones of Italian cypress, Cupressus sempervirens, to two differently aggressive isolates of S. cardinale was studied. Phloem terpene concentrations, foliar terpene concentrations, as well as foliar terpene emission rates were analyzed 1, 10, 30, and 90 days after artificial inoculation with fungal isolates. The phloem surrounding the inoculation point exhibited de novo production of four oxygenated monoterpenes and two unidentified terpenes. The concentrations of several constitutive mono-and diterpenes increased strongly (especially α-thujene, sabinene, terpinolene, terpinen-4-ol, oxygenated monoterpenes, manool, and two unidentified diterpenes) as the infection progressed. The proportion of minor terpenes in the infected cypresses increased markedly from the first day after inoculation (from 10 % in the control to 30-50 % in the infected treatments). Foliar concentrations showed no clear trend, but emission rates peaked at day 10 in infected trees, with higher δ-3-carene (15-fold) and total monoterpene (10-fold) emissions than the control. No substantial differences were found among cypresses infected by the two fungal isolates. These results suggest that cypresses activate several direct and indirect chemical defense mechanisms after infection by S. cardinale.

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Section: Discussionsupporting

confidence: 85%

Section: Discussionsupporting

confidence: 77%

Section: Introductionmentioning

confidence: 99%

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Strong Induction of Minor Terpenes in Italian Cypress, Cupressus sempervirens, in Response to Infection by the Fungus Seiridium cardinale

Achotegui-Castells

Danti²,

Llusià

et al. 2015

J Chem Ecol

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“…2), applied over a finite C i range of ca. 150-330 µmol mol −1 , isoprene emission is relatively insensitive over this range or moderately increases at lower C i , likely explaining the insensitivity of isoprenoid emissions to mild stress Peñuelas et al, 2009;Sharkey and Loreto, 1993;Staudt et al, 2002), or the moderately increased emissions occasionally observed under mild stress (Bertin and Staudt, 1996;Pegoraro et al, 2005;Staudt et al, 2008;Yani et al, 1993).…”

Section: Influence Of Droughtmentioning

confidence: 96%

The emission factor of volatile isoprenoids: stress, acclimation, and developmental responses

et al. 2010

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Abstract. The rate of constitutive isoprenoid emissions from plants is driven by plant emission capacity under specified environmental conditions (E S , the emission factor) and by responsiveness of the emissions to instantaneous variations in environment. In models of isoprenoid emission, E S has been often considered as intrinsic species-specific constant invariable in time and space. Here we analyze the variations in species-specific values of E S under field conditions focusing on abiotic stresses, past environmental conditions and developmental processes. The reviewed studies highlight strong stress-driven, adaptive (previous temperature and light environment and growth CO 2 concentration) and developmental (leaf age) variations in E S values operating at medium to long time scales. These biological factors can alter species-specific E S values by more than an order of magnitude. While the majority of models based on early concepts still ignore these important sources of variation, recent models are including some of the medium-to long-term controls. However, conceptually different strategies are being used for incorporation of these longer-term controls with important practical implications for parameterization and application of these models. This analysis emphasizes the need to include more biological realism in the isoprenoid emission models and also highlights the gaps in knowledge that require further experimental work to reduce the model uncertainties associated with biological sources of variation.

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“…Neryl acetone (Helmig et al, 2006), terpinyl acetate (Yani et al, 1993) and nonenal (Helmig et al, 1999) have also been observed using enclosure measurement techniques.…”

Section: Model Parametersmentioning

confidence: 99%

The Model of Emissions of Gases and Aerosols from Nature version 2.1 (MEGAN2.1): an extended and updated framework for modeling biogenic emissions

et al. 2012

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Abstract. The Model of Emissions of Gases and Aerosolsfrom Nature version 2.1 (MEGAN2.1) is a modeling framework for estimating fluxes of biogenic compounds between terrestrial ecosystems and the atmosphere using simple mechanistic algorithms to account for the major known processes controlling biogenic emissions. It is available as an offline code and has also been coupled into land surface and atmospheric chemistry models. MEGAN2.1 is an update from the previous versions including MEGAN2.0, which was described for isoprene emissions by Guenther et al. (2006) and MEGAN2.02, which was described for monoterpene and sesquiterpene emissions by Sakulyanontvittaya et al. (2008). Isoprene comprises about half of the total global biogenic volatile organic compound (BVOC) emission of 1 Pg (1000 Tg or 10 15 g) estimated using MEGAN2.1. Methanol, ethanol, acetaldehyde, acetone, α-pinene, β-pinene, t-β-ocimene, limonene, ethene, and propene together contribute another 30 % of the MEGAN2.1 estimated emission. An additional 20 compounds (mostly terpenoids) are associated with the MEGAN2.1 estimates of another 17 % of the total emission with the remaining 3 % distributed among >100 compounds. Emissions of 41 monoterpenes and 32 sesquiterpenes together comprise about 15 % and 3 %, respectively, of the estimated total global BVOC emission. Tropical trees cover about 18 % of the global land surface and are estimated to be responsible for ∼ 80 % of terpenoid emissions and ∼ 50 % of other VOC emissions. Other trees cover about the same area but are estimated to contribute only about 10 % of total emissions. The magnitude of the emissions estimated with MEGAN2.1 are within the range of estimates reported using other approaches and much of the differences between reported values can be attributed to land cover and meteorological driving variables. The offline version of MEGAN2.1 source code and driving variables is available from http://bai.acd.ucar.edu/MEGAN/ and the version integrated into the Community Land Model version 4 (CLM4) can be downloaded from http://www.cesm. ucar.edu/.

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The effect of a long‐term water stress on the metabolism and emission of terpenes of the foliage of Cupressus sempervirens

Cited by 51 publications

References 32 publications

Strong Induction of Minor Terpenes in Italian Cypress, Cupressus sempervirens, in Response to Infection by the Fungus Seiridium cardinale

Strong Induction of Minor Terpenes in Italian Cypress, Cupressus sempervirens, in Response to Infection by the Fungus Seiridium cardinale

The emission factor of volatile isoprenoids: stress, acclimation, and developmental responses

The Model of Emissions of Gases and Aerosols from Nature version 2.1 (MEGAN2.1): an extended and updated framework for modeling biogenic emissions

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