{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,9,6]],"date-time":"2024-09-06T00:40:19Z","timestamp":1725583219386},"reference-count":111,"publisher":"MDPI AG","issue":"17","license":[{"start":{"date-parts":[[2024,9,5]],"date-time":"2024-09-05T00:00:00Z","timestamp":1725494400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000199","name":"USDA-ARS","doi-asserted-by":"publisher","award":["58-5082-2-006"],"id":[{"id":"10.13039\/100000199","id-type":"DOI","asserted-by":"publisher"}]},{"name":"OSU Graduate School Fellowship"},{"name":"NRT EmPowerment Fellowship"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"One of the most important and widespread corn\/maize virus diseases is maize dwarf mosaic (MDM), which can be induced by sugarcane mosaic virus (SCMV). This study explores a machine learning analysis of five-band multispectral imagery collected via an unmanned aerial system (UAS) during the 2021 and 2022 seasons for SCMV disease detection in corn fields. The three primary objectives are to (i) determine the spectral bands and vegetation indices that are most important or correlated with SCMV infection in corn, (ii) compare spectral signatures of mock-inoculated and SCMV-inoculated plants, and (iii) compare the performance of four machine learning algorithms, including ridge regression, support vector machine (SVM), random forest, and XGBoost, in predicting SCMV during early and late stages in corn. On average, SCMV-inoculated plants had higher reflectance values for blue, green, red, and red-edge bands and lower reflectance for near-infrared as compared to mock-inoculated samples. Across both years, the XGBoost regression model performed best for predicting disease incidence percentage (R2 = 0.29, RMSE = 29.26), and SVM classification performed best for the binary prediction of SCMV-inoculated vs. mock-inoculated samples (72.9% accuracy). Generally, model performances appeared to increase as the season progressed into August and September. According to Shapley additive explanations (SHAP analysis) of the top performing models, the simplified canopy chlorophyll content index (SCCCI) and saturation index (SI) were the vegetation indices that consistently had the strongest impacts on model behavior for SCMV disease regression and classification prediction. The findings of this study demonstrate the potential for the development of UAS image-based tools for farmers, aiming to facilitate the precise identification and mapping of SCMV infection in corn.<\/jats:p>","DOI":"10.3390\/rs16173296","type":"journal-article","created":{"date-parts":[[2024,9,5]],"date-time":"2024-09-05T08:15:11Z","timestamp":1725524111000},"page":"3296","source":"Crossref","is-referenced-by-count":0,"title":["Sugarcane Mosaic Virus Detection in Maize Using UAS Multispectral Imagery"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"http:\/\/orcid.org\/0000-0002-0683-3658","authenticated-orcid":false,"given":"Noah","family":"Bevers","sequence":"first","affiliation":[{"name":"Department of Food, Agricultural, and Biological Engineering, The Ohio State University, Columbus, OH 43201, USA"}]},{"ORCID":"http:\/\/orcid.org\/0000-0002-3167-2809","authenticated-orcid":false,"given":"Erik W.","family":"Ohlson","sequence":"additional","affiliation":[{"name":"Corn, Soybean and Wheat Quality Research Unit, USDA-ARS, 1680 Madison Ave., Wooster, OH 44691, USA"}]},{"given":"Kushal","family":"KC","sequence":"additional","affiliation":[{"name":"Department of Food, Agricultural, and Biological Engineering, The Ohio State University, Columbus, OH 43201, USA"}]},{"given":"Mark W.","family":"Jones","sequence":"additional","affiliation":[{"name":"Corn, Soybean and Wheat Quality Research Unit, USDA-ARS, 1680 Madison Ave., Wooster, OH 44691, USA"}]},{"ORCID":"http:\/\/orcid.org\/0000-0003-3875-4054","authenticated-orcid":false,"given":"Sami","family":"Khanal","sequence":"additional","affiliation":[{"name":"Department of Food, Agricultural, and Biological Engineering, The Ohio State University, Columbus, OH 43201, USA"}]}],"member":"1968","published-online":{"date-parts":[[2024,9,5]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Garc\u00eda-Lara, S., and Serna-Saldivar, S.O. 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