Allelopathic effects of volatile organic compounds released from Pinus halepensis needles and roots
| العنوان: | Allelopathic effects of volatile organic compounds released from Pinus halepensis needles and roots |
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| المؤلفون: | Elena Ormeño, Catherine Fernandez, Mathieu Santonja, Anne Bousquet-Mélou, Stéphane Greff |
| المساهمون: | Institut méditerranéen de biodiversité et d'écologie marine et continentale (IMBE), Avignon Université (AU)-Aix Marseille Université (AMU)-Institut de recherche pour le développement [IRD] : UMR237-Centre National de la Recherche Scientifique (CNRS) |
| المصدر: | Ecology and Evolution Ecology and Evolution, 2019, 9 (14), pp.8201-8213. ⟨10.1002/ece3.5390⟩ Ecology and Evolution, Wiley Open Access, 2019, 9 (14), pp.8201-8213. ⟨10.1002/ece3.5390⟩ Ecology and Evolution, Vol 9, Iss 14, Pp 8201-8213 (2019) |
| بيانات النشر: | HAL CCSD, 2019. |
| سنة النشر: | 2019 |
| مصطلحات موضوعية: | 0106 biological sciences, Mediterranean climate, soil microorganisms, Lactuca, 010603 evolutionary biology, 01 natural sciences, Mediterranean Basin, Terpene, 03 medical and health sciences, Aleppo Pine, lcsh:QH540-549.5, Mediterranean forest, Ecology, Evolution, Behavior and Systematics, Allelopathy, 030304 developmental biology, Nature and Landscape Conservation, 2. Zero hunger, 0303 health sciences, Ecology, biology, Chemistry, 15. Life on land, Herbaceous plant, secondary succession, biology.organism_classification, Aleppo pine, Horticulture, Germination, allelopathy, lcsh:Ecology, plant–plant interaction, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, terpenes |
| الوصف: | International audience; The Mediterranean region is recognized as a global biodiversity hotspot. However, over the last decades, the cessation of traditional farming in the north part of the Mediterranean basin has given way to strong afforestation leading to occurrence of abandoned agricultural lands colonized by pioneer expansionist species like Pinus halepensis. This pine species is known to synthesize a wide range of secondary metabolites, and previous studies have demonstrated strong allelopathic potentialities of its needle and root leachates. Pinus halepensis is also recognized to release significant amounts of volatile organic compounds (VOC) with potential allelopathic effects that have never been investigated. In this context, the objectives of the present study were to improve our knowledge about the VOC released from P. halepensis needles and roots, determine if these VOC affect the seed germination and root growth of two herbaceous target species (Lactuca sativa and Linum strictum), and evaluate if soil microorganisms modulate the potential allelopathic effects of these VOC. Thirty terpenes were detected from both, needle and root emissions with β‐caryophyllene as the major volatile. Numerous terpenes, such as β‐caryophyllene, δ‐terpinene, or α‐pinene, showed higher headspace concentrations according to the gradient green needles < senescent needles < needle litter. Seed germination and root growth of the two target species were mainly reduced in presence of P. halepensis VOC. In strong contrast with the trend reported with needle leachates in literature, we observed an increasing inhibitory effect of P. halepensis VOC with the progress of needle physiological stages (i.e., green needle < senescent needle < needle litter). Surprisingly, several inhibitory effects observed on filter paper were also found or even amplified when natural soil was used as a substrate, highlighting that soil microorganisms do not necessarily limit the negative effects of VOC released by P. halepensis on herbaceous target species. |
| اللغة: | English |
| تدمد: | 2045-7758 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0dd5ffef4e20e59b66a757a0a990caae https://amu.hal.science/hal-02171413 |
| حقوق: | OPEN |
| رقم الأكسشن: | edsair.doi.dedup.....0dd5ffef4e20e59b66a757a0a990caae |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 20457758 |
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