{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,28]],"date-time":"2026-07-28T15:01:18Z","timestamp":1785250878180,"version":"3.55.0"},"reference-count":93,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,7,28]],"date-time":"2026-07-28T00:00:00Z","timestamp":1785196800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Nutr."],"abstract":"<jats:p>\n                    Plants encounter multiple abiotic stresses. Among them, heat and drought stress play a substantial role in reducing the agricultural productivity of commercial plants. Hence, wild and underutilized plants can be a potential alternative as they are naturally tolerant to extreme climatic conditions and are a rich source of nutrition. Manual stress and disease detection is a laborious and expensive process, and hence automation in this field is required to reduce agricultural losses. This study evaluates the prediction and detection of abiotic stress in\n                    <jats:italic>Acacia senegal<\/jats:italic>\n                    bipinnate leaves, exploring various stress-induced changes using machine learning (ML) algorithms and biochemical analysis.\n                    <jats:italic>A. senegal<\/jats:italic>\n                    , an underutilized edible desert legume, was grown under controlled greenhouse conditions. After 2 months, these plants were segregated into groups and subjected to heat and drought treatments. Image acquisition was performed to obtain a dataset of 3,454 images of\n                    <jats:italic>A. senegal<\/jats:italic>\n                    leaves. Physiological parameters, such as fresh and dry leaf weight, shoot length, number of leaves, and biochemical assays like antioxidant assay (DPPH), total phenolic content (TPC), and total flavonoid content (TFC), were determined. LC-MS\/MS analysis was conducted to identify over 50 phytochemical compounds. A hybrid model was developed consisting of a fine-tuned EfficientNet-based Convolutional Neural Network (CNN) followed by a Support Vector Machine (SVM) for the binary classification of\n                    <jats:italic>A. senegal<\/jats:italic>\n                    leaves. The model distinguishes between healthy and stress-affected unhealthy leaves and achieved an accuracy score of 86.6%. This report provides a significant lead toward stress phenotyping and prediction of a bipinnate leaf plant using ML algorithms. The overall study is useful to understand how the stress encountered by arid plants alters the nutritional quality.\n                  <\/jats:p>","DOI":"10.3389\/fnut.2026.1816860","type":"journal-article","created":{"date-parts":[[2026,7,28]],"date-time":"2026-07-28T14:37:31Z","timestamp":1785249451000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Stress phenotyping of wild desert legume Acacia senegal with machine learning application and phytochemical characterization of bipinnate leaves"],"prefix":"10.3389","volume":"13","author":[{"given":"Karnika","family":"Singh","sequence":"first","affiliation":[{"name":"Department of Biological Sciences, Birla Institute of Technology and Science, Pilani","place":["Rajasthan, India"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rakhi","family":"Agrawal","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Information Systems, Birla Institute of Technology and Science, Pilani","place":["Rajasthan, India"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P. M.","family":"Vighnesh","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Information Systems, Birla Institute of Technology and Science, Pilani","place":["Rajasthan, India"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ankur","family":"Lhila","sequence":"additional","affiliation":[{"name":"Department of Electrical and Electronics Engineering, Birla Institute of Technology and Science, Pilani","place":["Rajasthan, India"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roshan","family":"Bagla","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Information Systems, Birla Institute of Technology and Science, Pilani","place":["Rajasthan, India"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pankaj Kumar","family":"Sharma","sequence":"additional","affiliation":[{"name":"Department of Biological Sciences, Birla Institute of Technology and Science, 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