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. 2018 Aug 28;221(1):588–601. doi: 10.1111/nph.15385

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© 2018 INRA New Phytologist © 2018 New Phytologist Trust

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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(a) Example of description in the Phenotyping Hybrid Information System (PHIS) of the widely used and standardized term ‘normalized difference vegetation index’ (NDVI) using the Crop Ontology ‘trait–method–unit’ data model and ontology mapping. (b) Description of the local term ‘Silk_volume’ derived from maize ear images captured in the glasshouse in PHIS using ontology mapping and local methods. The prefixes oepo:, skos: and variable: preceding the unique resource identifiers stand for < http://www.phenome-fppn.fr/vocabulary/2018/oepo #>, < http://www.w3.org/2004/02/skos/core #> and < http://www.phenome-fppn.fr/m3p/variable #> respectively.