Charlotte Hubert-Schöler
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This study deals with the essential oil content and physiological response of different Mentha genotypes on the one hand under different light conditions and on the other hand under the influence of mycorrhization. For this purpose, three different Mentha genotypes (Mentha × piperita 'Multimentha', Mentha × piperita 'Fränkische Blaue' and Mentha rotundifolia 'Apfelminze') were exposed to different UV-treatments (control (irradiation under greenhouse conditions), elevated UV-B radiation (1.4 W/m², 700 % of control) and shaded conditions (30 % of control)) and partially inoculated with arbuscular mycorrhiza. Plant vitality was determined using vegetation indices (VIs). This experiment was presented at the DFA-Tagung 2023 in Freising, Germany and published.
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This study focused on the effects of two different postharvest processes on EO content and the composition of three different Mentha genotypes (Mentha × piperita ‘Multimentha’, Mentha × piperita ‘Fränkische Blaue’ and Mentha rotundifolia ‘Apfelminze’). They were cultivated under greenhouse conditions. One postharvest treatment consisted of drying Mentha as whole plant after harvesting and later separating leaves from stems. In the second treatment, leaves were separated from stems directly after harvesting and then dried. EO content was determined by steam distillation and composition of EO was characterized by GC/MS analysis. This experiement was published in Horticulturae.
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This study focused on the essential oil content and physiological response of Mentha genotypes under different UV scenarios. For this, three different Mentha genotypes (Mentha × piperita ‘Multimentha’, Mentha × piperita ‘Fränkische Blaue’ and Mentha rotundifolia ‘Apfelminze’) were exposed to different levels of UV radiation (natural UV, UV-B-increased (1.5 W m-2, 157% of control) and shaded regimes (62% of control)). Non-invasive phenotyping provided information on plant vitality using hyperspectral vegetation indices (VIs).This experiment was presented at the International Horticultural Congress (IHC2022) at Angers, Fance and published in Acta Horticulturae (Acta Hortic. 1358. ISHS 2023. DOI 10.17660/ActaHortic.2023.1358.41 XXXI IHC – Proc. Int. Symp. on Medicinal and Aromatic Plants: Domestication, Breeding, Cultivation and New Perspectives).
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The influence of a nitrogen (N) and a zinc (Zn) fertilisation as well as a combined fertilisation of N and Zn on three Mentha genotypes (Mentha × piperita 'Multimentha', Mentha × piperita 'Franconian Blue' and Mentha rotundifolia 'Apple Mint') was investigated. The focus was on both the essential oil content and the physiological reaction of the plants. This experiment was presented at the GPW conference in October 2023 and published in the conference proceedings.
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The effects of arbuscular mycorrhizal fungi and algae extract on three Mentha genotypes (peppermint, apple mint and field mint) were investigated. Parameters such as biomass, plant height and essential oil content were recorded.
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In this experiment, the effect of peppermint extract (Multimentha) in different concentrations (0, 25, 50, 75 and 100%) on the development of a bush bean was investigated.