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UV reflectance in crop remote sensing: Assessing the current state of knowledge and extending research with strawberry cultivars

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Heath, Megan, St-Onge, David and Hausler, Robert. 2024. « UV reflectance in crop remote sensing: Assessing the current state of knowledge and extending research with strawberry cultivars ». PLoS ONE, vol. 19, nº 3.

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Abstract

Remote sensing of spectral reflectance is a crucial parameter in precision agriculture. In particular, the visual color produced from reflected light can be used to determine plant health (VIS-IR) or attract pollinators (Near-UV). However, the UV spectral reflectance studies largely focus on non-crop plants, even though they provide essential information for plant-pollinator interactions. This literature review presents an overview of UV-reflectance in crops, identifies gaps in the literature, and contributes new data based on strawberry cultivars. The study found that most crop spectral reflectance studies relied on lab-based methodologies and examined a wide spectral range (Near UV to IR). Moreover, the plant family distribution largely mirrored global food market trends. Through a spectral comparison of white flowering strawberry cultivars, this study discovered visual differences for pollinators in the Near UV and Blue ranges. The variation in pollinator visibility within strawberry cultivars underscores the importance of considering UV spectral reflectance when developing new crop breeding lines and managing pollinator preferences in agricultural fields.

Item Type: Peer reviewed article published in a journal
Professor:
Professor
St-Onge, David
Hausler, Robert
Affiliation: Génie mécanique, Génie de la construction
Date Deposited: 14 Feb 2024 20:50
Last Modified: 11 Apr 2024 16:44
URI: https://espace2.etsmtl.ca/id/eprint/28365

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