remote sensing Article On the Potentiality of UAV Multispectral Imagery to Detect Flavescence dorée and Grapevine Trunk Diseases Johanna Albetis 1,† , Anne Jacquin 2,†, Michel Goulard 3,†, Hervé Poilvé 2,†, Jacques Rousseau 4,†, Harold Clenet 1,3,*,†,‡ , Gerard Dedieu 5,† and Sylvie Duthoit 6,† 1 Ecole d’Ingénieurs de PURPAN, Université de Toulouse, Toulouse INP, 75 voie du TOEC, BP 57611, F-31076 Toulouse CEDEX 3, France;
[email protected] 2 AIRBUS Defense and Space, 5 rue des satellites, F-31400 Toulouse, France;
[email protected] (A.J.);
[email protected] (H.P.) 3 UMR 1201 DYNAFOR, Université de Toulouse, INRA, 24 chemin de borderouge, CS 52627, F-31326 Castanet-Tolosan CEDEX, France;
[email protected] 4 Groupe ICV, La Jasse de Maurin, F-34970 Lattes, France;
[email protected] 5 CESBIO, Université de Toulouse, UMR 5126 CNES-UPS-CNRS-IRD, 18 avenue Edouard Belin, BPI 2801, F-31401 Toulouse CEDEX 9, France;
[email protected] 6 TerraNIS, 12 avenue de l’Europe, F-31520 Ramonville-saint-agne, France;
[email protected] * Correspondence:
[email protected]; Tel.: +33-056-115-3030 † These authors contributed equally to this work. ‡ Current address: Ecole d’Ingénieurs de PURPAN, 75 voie du TOEC, BP57611, F-31076 Toulouse CEDEX 3, France. Received: 7 November 2018; Accepted: 18 December 2018; Published: 23 December 2018 Abstract: Among grapevine diseases affecting European vineyards, Flavescence dorée (FD) and Grapevine Trunk Diseases (GTD) are considered the most relevant challenges for viticulture because of the damage they cause to vineyards. Unmanned Aerial Vehicle (UAV) multispectral imagery could be a powerful tool for the automatic detection of symptomatic vines.