{"id":675829,"date":"2025-06-18T13:58:55","date_gmt":"2025-06-18T10:58:55","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/hyperspectral-sensor-pushes-weed-science-a-wave-further\/"},"modified":"2025-06-18T13:58:55","modified_gmt":"2025-06-18T10:58:55","slug":"hyperspectral-sensor-pushes-weed-science-a-wave-further","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/hyperspectral-sensor-pushes-weed-science-a-wave-further\/","title":{"rendered":"Hyperspectral sensor pushes weed science a wave further"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2925344cd8f\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #dd3333;color:#dd3333\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #dd3333;color:#dd3333\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2925344cd8f\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/buradabiliyorum.com\/en\/hyperspectral-sensor-pushes-weed-science-a-wave-further\/#Next_steps\" >Next steps<\/a><\/li><\/ul><\/nav><\/div>\n<div>\n<div class=\"article-gallery lightGallery\">\n<div data-thumb=\"https:\/\/scx1.b-cdn.net\/csz\/news\/tmb\/2025\/hyperspectral-sensor-p.jpg\" data-src=\"https:\/\/scx2.b-cdn.net\/gfx\/news\/hires\/2025\/hyperspectral-sensor-p.jpg\" data-sub-html=\"Mario Soto, left, a master's student in the crop, soil and environmental sciences department, and Aurelie Poncet, assistant professor of precision agriculture in the crop, soil and environmental sciences department for the Division of Agriculture and the Dale Bumpers College of Agricultural, Food and Life Sciences, demonstrate a piece of equipment used in a study to measure herbicide effectiveness on plants. Credit: U of A System Division of Agriculture\">\n<figure class=\"article-img\">\n            <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/scx1.b-cdn.net\/csz\/news\/800a\/2025\/hyperspectral-sensor-p.jpg\" alt=\"Hyperspectral sensor pushes weed science a wave further\" title=\"Mario Soto, left, a master's student in the crop, soil and environmental sciences department, and Aurelie Poncet, assistant professor of precision agriculture in the crop, soil and environmental sciences department for the Division of Agriculture and the Dale Bumpers College of Agricultural, Food and Life Sciences, demonstrate a piece of equipment used in a study to measure herbicide effectiveness on plants. Credit: U of A System Division of Agriculture\" width=\"800\" height=\"530\"\/><figcaption class=\"text-darken text-low-up text-truncate-js text-truncate mt-3\">\n                Mario Soto, left, a master&#8217;s student in the crop, soil and environmental <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/sciencee\/\" data-internallinksmanager029f6b8e52c=\"5\" title=\"Science\" target=\"_blank\" rel=\"noopener\">science<\/a>s department, and Aurelie Poncet, assistant professor of precision agriculture in the crop, soil and environmental sciences department for the Division of Agriculture and the Dale Bumpers College of Agricultural, Food and Life Sciences, demonstrate a piece of equipment used in a study to measure herbicide effectiveness on plants. Credit: U of A System Division of Agriculture<br \/>\n            <\/figcaption><\/figure>\n<\/p><\/div>\n<\/div>\n<p>By combining artificial intelligence and sensors that can see beyond visible light, Arkansas researchers have developed a system that exceeds human discernment when it comes to measuring herbicide-induced stress in plants.<\/p>\n<p>Scientists with the Arkansas Agricultural Experiment Station, the research arm of the University of Arkansas System Division of Agriculture, <a rel=\"nofollow\" target=\"_blank\" href=\"https:\/\/doi.org\/10.1016\/j.atech.2025.100890\" target=\"_blank\">published<\/a> a study in <i>Smart Agricultural <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/technology\/\" data-internallinksmanager029f6b8e52c=\"4\" title=\"Technology\" target=\"_blank\" rel=\"noopener\">Technology<\/a><\/i> providing proof-of-concept that hyperspectral sensors like a spectroradiometer can help in quantifying herbicide effectiveness, a critical element of weed management that helps curb herbicide resistance.<\/p>\n<p>While normal cameras use three visible light bands\u2014red, green and blue\u2014to create images in the spectral range of 380 to 750 nanometers, hyperspectral sensing captures bands ranging from 250 nanometers to 2,500 nanometers and thermal infrared.<\/p>\n<p>The researchers used this technology to evaluate how common lambsquarters responded to glyphosate. They also turned up empirical evidence that photosynthesis in the plant actually increased when exposed to a sub-lethal dose of the herbicide. Common lambsquarters\u2014Chenopodium album L.\u2014is a weed in agricultural and garden settings.<\/p>\n<p>&#8220;Plant response to herbicide <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/download-scripts-themes-apps\/\" data-internallinksmanager029f6b8e52c=\"9\" title=\"Download Scripts &amp; Themes &amp; Apps\" target=\"_blank\" rel=\"noopener\">app<\/a>lication is measured using visual ratings, but accuracy varies with the quality of training and years of practice of the rater,&#8221; said principal investigator of the study Aurelie Poncet, assistant professor of precision agriculture in the crop, soil and environmental sciences department for the Division of Agriculture and the Dale Bumpers College of Agricultural, Food and Life Sciences.<\/p>\n<p>&#8220;We thought, if we could have a sensor that automates some of this decision, we might be able to implement it into applications down the road.&#8221;<\/p>\n<p>Weed scientists are trained to rate herbicide efficacy within a 10% margin of error, plus or minus 5%. The researchers were able to use machine learning models on data collected with a spectroradiometer to reach a margin of error of 12.1%. Their goal is to get below 10%.<\/p>\n<p>The researchers used a random forest machine learning algorithm to analyze thousands of vegetation index data points collected in the experiment. The algorithm combines the output of multiple decision trees to reach a single result.<\/p>\n<p>&#8220;Our success using random forest to describe common lambsquarters response to glyphosate application opens the possibility of moving beyond the development of vegetation indices, another approach gaining traction in the published literature,&#8221; said Mario Soto, lead author of the study and a crop, soil and environmental sciences master&#8217;s student in Bumpers College.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Next_steps\"><\/span>Next steps<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Once refined, hyperspectral sensing could be used to measure specific weed response to herbicide application and overcome the limitations of a human&#8217;s visual assessment. Further development of the method and validation may also be used to create a platform for high-throughput categorization of weed response to herbicides and screening for herbicide resistance, the study&#8217;s authors noted.<\/p>\n<p>While training can overcome lack of experience for evaluators, mental and physical fatigue from long workdays evaluating treatments in harsh environmental conditions can affect judgment for even the most experienced evaluator, said Nilda Roma-Burgos, professor of weed physiology and molecular biology for the experiment station and Bumpers College.<\/p>\n<p>&#8220;This method, in principle, could remove the human factor in herbicide efficacy evaluations and will be an invaluable research tool for weed science,&#8221; said Burgos, a co-author of the study. &#8220;Meanwhile, much work still awaits to validate the method across key weed species, herbicide modes of action, time after herbicide application and environmental conditions.&#8221;<\/p>\n<p>Co-authors of the study included Kristofor Brye, University Professor of applied soil physics and pedology; Wesley France, program associate, and Juan C. Velasquez, weed science graduate research assistant, of the crop, soil and environmental sciences department.<\/p>\n<div class=\"article-main__more p-4\">\n<p><strong>More information:<\/strong><br \/>\n\t\t\t\t\t\t\t\t\t\t\t\tMario Soto et al, Hyperspectral indicators and characterization of glyphosate-induced stress in common lambsquarters (Chenopodium album L.), <i>Smart Agricultural Technology<\/i> (2025). <a rel=\"nofollow\" target=\"_blank\" data-doi=\"1\" href=\"https:\/\/dx.doi.org\/10.1016\/j.atech.2025.100890\" target=\"_blank\">DOI: 10.1016\/j.atech.2025.100890<\/a><\/p>\n<\/div>\n<div class=\"d-inline-block text-medium mt-4\">\n<p>\n\t\t\t\t\t\t\t\t\t\t\t\t\tProvided by<br \/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tUniversity of Arkansas<br \/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" target=\"_blank\" class=\"icon_open\" href=\"http:\/\/www.uark.edu\/home\/\" target=\"_blank\" rel=\"nofollow\"><br \/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<svg>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<use href=\"https:\/\/phys.b-cdn.net\/tmpl\/v6\/img\/svg\/sprite.svg#icon_open\" x=\"0\" y=\"0\"\/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/svg><br \/>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/p>\n<\/p><\/div>\n<p>\t\t\t\t\t\t\t\t\t\t<!-- print only --><\/p>\n<div class=\"d-none d-print-block\">\n<p>\n\t\t\t\t\t\t\t\t\t\t\t\t<strong>Citation<\/strong>:<br \/>\n\t\t\t\t\t\t\t\t\t\t\t\tHyperspectral sensor pushes weed science a wave further (2025, June 18)<br \/>\n\t\t\t\t\t\t\t\t\t\t\t\tretrieved 18 June 2025<br \/>\n\t\t\t\t\t\t\t\t\t\t\t\tfrom https:\/\/phys.org\/<a href=\"https:\/\/buradabiliyorum.com\/en\/category\/news\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"News\" target=\"_blank\" rel=\"noopener\">news<\/a>\/2025-06-hyperspectral-sensor-weed-science.html\n\t\t\t\t\t\t\t\t\t\t\t <\/p>\n<p>\n\t\t\t\t\t\t\t\t\t\t\t This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no<br \/>\n\t\t\t\t\t\t\t\t\t\t\t part may be reproduced without the written permission. The content is provided for information purposes only.\n\t\t\t\t\t\t\t\t\t\t\t <\/p>\n<\/p><\/div>\n<\/p><\/div>\n<p><script id=\"facebook-jssdk\" async=\"\" src=\"https:\/\/connect.facebook.net\/en_US\/sdk.js\"><\/script><\/p>\n<blockquote><p><strong><span style=\"color: #ff6600;\">If you liked the article, do not forget to share it with your friends. Follow us on\u00a0<span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/news.google.com\/publications\/CAAqBwgKMN63nwsw68G3Aw\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Google News<\/a><\/span>\u00a0too, click on the star and choose us from your favorites.<\/span><\/strong><\/p><\/blockquote>\n<blockquote>\n<p style=\"text-align: center;\"><strong>If you want to read more Like this articles, you can visit our <span style=\"color: #ff9900;\"><a style=\"color: #ff9900;\" href=\"https:\/\/en.buradabiliyorum.com\/category\/sciencee\/\" target=\"_blank\" >Science category.<\/a><\/span><\/strong><\/p>\n<\/blockquote>\n<p><span style=\"color: black;\"><a style=\"color: #ff9900;\" href=\"https:\/\/phys.org\/news\/2025-06-hyperspectral-sensor-weed-science.html\" target=\"_blank\" >Source<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mario Soto, left, a master&#8217;s student in the crop, soil and environmental sciences department, and Aurelie Poncet, assistant professor of precision agriculture in the crop, soil and environmental sciences department for the Division of Agriculture and the Dale Bumpers College of Agricultural, Food and Life Sciences, demonstrate a piece of equipment used in a study&#8230;<\/p>\n","protected":false},"author":1,"featured_media":675830,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/scx2.b-cdn.net\/gfx\/news\/hires\/2025\/hyperspectral-sensor-p.jpg","fifu_image_alt":"","footnotes":""},"categories":[16],"tags":[],"class_list":["post-675829","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sciencee"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/675829","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=675829"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/675829\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media\/675830"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=675829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=675829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=675829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}