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Elucidating the dynamic effects of UV on Mentha spicata L.: from the laboratory to innovative horticulture
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Date
2024
Authors
Crestani, Gaia
Journal Title
Journal ISSN
Volume Title
Publisher
University College Cork
Published Version
Abstract
Indoor farming provides a novel opportunity to manipulate crops in order to improve their architecture, nutritional value, and stress resistance. Moreover, indoor farming allows the control of key environmental parameters such as light, temperature, and water availability, which normally depend on the local season. Light quantity and quality are particularly critical parameters as these play a major role in determining the yield, architecture, and quality of produce. In particular, low doses of UV radiation can induce small, regulatory adjustments in plant physiology and morphology, which in many cases can be valuable from a horticultural perspective. The general aim of this thesis was to conduct a comprehensive study of UV effects on Mentha spicata L., a valuable commercial crop. This was achieved by exploring the effects of broadband and narrowband UV radiation on mint plants, with a focus on morphological responses, UV-priming, resistance against stressors, and variations in secondary metabolites. The accumulation of these metabolites is crucial for the plant's acclimatory response and holds significance for human health. Investigating the metabolic responses following UV exposure revealed a strategy to enhance plant quality and resistance. Additionally, the study delves into the content and composition of essential oils, particularly monoterpene and sesquiterpene content, under different narrowband UV wavelengths. Based on these findings, it is proposed that UV LEDs could play a significant role in shaping the future of agriculture for a more efficient, sustainable way to produce quality food.
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Keywords
UV , UV-B , LEDs , Mint , Indoor farming
Citation
Crestani, G. 2024. Elucidating the dynamic effects of UV on Mentha spicata L.: from the laboratory to innovative horticulture. PhD Thesis, University College Cork.