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Hu, B.* ; Jarosch, A.M.* ; Grote, R.* ; Yannick Ngaba, M.J.* ; Schnitzler, J.-P. ; Kreuzwieser, J.* ; Rennenberg, H.*

Ontogenetic, diurnal, and environmental impacts on VOC emission from sugarcane.

Environ. Int. 199:109502 (2025)
Verlagsversion DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Sugarcane (Saccharum spp. hybrid) is a key crop for bioenergy production due to its high productivity in tropical and subtropical climates. Despite this economic importance, there is currently no information available on the emission of volatile organic compounds (VOCs) during the growth phase of this crop. This is despite the fact that the sustainability of sugarcane cultivation has been questioned due to the associated land-use changes and possible atmospheric pollution by VOCs. The present study investigated the VOC emissions from sugarcane and their dependence on ontogenetic, diurnal, seasonal and environmental factors. By GC-MS and PTR-MS analysis, the emission of 40 different VOCs from sugarcane leaves was recorded based on their molecular weight that were divided into seven chemical groups (i.e., alkanes, alkenes, aromatics, aldehydes, alcohols, ketones and terpenoids). In addition, complementary PTR-MS analysis showed strong emission of methanol, acetaldehyde and ethanol and minor release of monoterpenes, fatty acid derivatives (i.e., LOX products) and a compound with m/z 69 (which was not validated as isoprene). Compared to other bioenergy crops, e.g., maize, Salix, Miscanthus and poplar/aspen, terpenoid emissions play a quantitatively smaller role, indicating that sugarcane is a low impact species in terms of air chemistry. The VOC emissions from sugarcane leaves vary with plant developmental stages, during the day and between the seasons and are dependent on light intensity and temperature. Thus, our results could provide a valuable basis for future modelling efforts to upscale VOC emissions from sugarcane cultivation in different climatic zones.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Bvoc Emission ; Greenhouse Experiment ; Modeling ; Ontogenetic Development ; Saccharum Officinarum L ; Temperature And Light Responses; Volatile Organic-compounds; Compound Emissions; Burning Emissions; Tropospheric Chemistry; Carbonyl-compounds; Isoprene Emission; Land-use; Monoterpene; Miscanthus; Ethanol
Sprache englisch
Veröffentlichungsjahr 2025
HGF-Berichtsjahr 2025
ISSN (print) / ISBN 0160-4120
e-ISSN 1873-6750
Zeitschrift Environment International
Quellenangaben Band: 199, Heft: , Seiten: , Artikelnummer: 109502 Supplement: ,
Verlag Elsevier
Verlagsort The Boulevard, Langford Lane, Kidlington, Oxford Ox5 1gb, England
Begutachtungsstatus Peer reviewed
Institut(e) Research Unit Environmental Simulation (EUS)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504991-001
Förderungen Prominent Scientist Program of Chongqing Science & Technology Commission
Daimler Fonds im Stifterverband fur die Deutsche Wissenschaft
DOI 10.1016/j.envint.2025.109502
WOS ID 001494448400001
Scopus ID 105003807112
PubMed ID 40311234
Erfassungsdatum 2025-05-11
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