All-organic transparent plant e-skin for noninvasive phenotyping

Abstract

Real-time in situ monitoring of plant physiology is essential for establishing a phenotyping platform for precision agriculture. A key enabler for this monitoring is a device that can be noninvasively attached to plants and transduce their physiological status into digital data. Here, we report an all-organic transparent plant e-skin by micropatterning poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) on polydimethylsiloxane (PDMS) substrate. This plant e-skin is optically and mechanically invisible to plants with no observable adverse effects to plant health. We demonstrate the capabilities of our plant e-skins as strain and temperature sensors, with the application to Brassica rapa leaves for collecting corresponding parameters under normal and abiotic stress conditions. Strains imposed on the leaf surface during growth as well as diurnal fluctuation of surface temperature were captured. We further present a digital-twin interface to visualize real-time plant surface environment, providing an intuitive and vivid platform for plant phenotyping.

Plant phenotyping relevance

植物に非侵襲的に装着する有機e-skinセンサーを開発し、葉のひずみと表面温度を取得して表現型解析プラットフォームとして実証しているため、方法が中心的である。

Code and data availability

The article describes a plant e-skin sensor and digital-twin phenotyping platform, but no public phenotype datasets, plant images, author analysis code, or trained models are deposited. The data availability statement only points to the paper and its supplementary materials, and no repository URLs or identifiers appear

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