{"id":37129,"date":"2024-12-02T11:00:43","date_gmt":"2024-12-02T10:00:43","guid":{"rendered":"https:\/\/resoilfoundation.org\/?p=37129"},"modified":"2024-11-29T15:15:38","modified_gmt":"2024-11-29T14:15:38","slug":"zinc-resistance-drought-crops","status":"publish","type":"post","link":"https:\/\/resoilfoundation.org\/en\/agricultural-industry\/zinc-resistance-drought-crops\/","title":{"rendered":"How zinc improves drought resistance of crops"},"content":{"rendered":"<h2>An Indian study reveals the properties of zinc in mitigating the effects of water stress on plants. Foliar sprays offer an effective solution<\/h2>\n<p style=\"text-align: center;\">by Matteo Cavallito<\/p>\n<p>&nbsp;<\/p>\n<p>Applying<strong> zinc to plant leaves<\/strong> could mitigate the effects of <strong>water stress<\/strong>. This is supported by an <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S2667064X2400304X?via%3Dihub\" target=\"_blank\" rel=\"noopener\">study<\/a> published in the journal Plant Stress. The research, conducted by a team of scientists led by Arun K. Shanker, a researcher at ICAR, the <strong>Central Research Institute for Dryland Agriculture in Hyderabad<\/strong>, India, specifically revealed the effectiveness of zinc foliar sprays in reducing the impact of drought on pearl millet.<\/p>\n<p>\u201cWater stress adversely affects the photosynthetic apparatus and <strong>pigment<\/strong> composition in plants, leading to reduced yields and compromised plant health,\u201d the study explains. \u201cZinc (Zn) foliar spray in nano form presents a potential solution to ameliorate water deficit stress.\u201d<\/p>\n<div class='avia-iframe-wrap'>\n<blockquote class=\"wp-embedded-content\" data-secret=\"vZyjnRi1RD\"><p><a href=\"https:\/\/resoilfoundation.org\/en\/articles\/nanomaterials-solution-groundwater-remediation\/\">Nanomaterials offer a solution for groundwater remediation<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Nanomaterials offer a solution for groundwater remediation&#8221; &#8212; Re Soil Foundation\" src=\"https:\/\/resoilfoundation.org\/en\/articles\/nanomaterials-solution-groundwater-remediation\/embed\/#?secret=IQIhNoEc6O#?secret=vZyjnRi1RD\" data-secret=\"vZyjnRi1RD\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/div>\n<h5>The study on zinc<\/h5>\n<p>The researchers, a statement from ICRA points out, demonstrated how zinc-delivered in the form of <a href=\"https:\/\/resoilfoundation.org\/en\/articles\/nanoparticles-soil-pests\/\" target=\"_blank\" rel=\"noopener\">nanoparticles<\/a> (Zn Nano) and <strong>ethylenediaminetetraacetic acid<\/strong> (Zn EDTA)-improves the photosynthetic efficiency of plants. \u201cWe attempt here a detailed dissection of electron transport in <strong>Photosystem<\/strong> <strong>II<\/strong> (PSII) through studies on chlorophyll a fast fluorescence kinetics and non-photochemical quenching (NPQ) and pigment dynamics in response to water stress,\u201d the authors further explain.<\/p>\n<p>\u201cWe also investigated the possible changes in these processes and the regulation of it by Zn Nano and Zn Ethylenediaminetetraacetic acid (EDTA) foliar sprays that may lead to amelioration of stress.\u201d The application of zinc as a foliar spray <strong>positively affected electron transport efficiency<\/strong> and reduced nonphotochemical quenching creating a better energy balance.<\/p>\n<div id=\"attachment_37067\" style=\"width: 973px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-37067\" class=\"size-full wp-image-37067\" src=\"https:\/\/resoilfoundation.org\/wp-content\/uploads\/2024\/11\/zinco-grafico.jpg\" alt=\"I trattamenti con lo zinco potenzierebbero gli effetti protettivi delle xantofille - i pigmenti gialli delle foglie come violaxantina, antraxantina e zeaxantina che agiscono dissipando l'energia luminosa in eccesso - in condizioni di stress. Immagine: Arun K. Shanker wt al., &quot;Zinc nano and zinc ethylenediaminetetraacetic acid (EDTA) mediated water deficit stress alleviation in pearl millet (Pennisetum glaucum (L.) R. Br.): Photosystem II electron transport and pigment dynamics&quot;, Plant Stress, Volume 14, 2024, https:\/\/doi.org\/10.1016\/j.stress.2024.100651 Attribution-NonCommercial-NoDerivatives 4.0 International CC BY-NC-ND 4.0 Deed \" width=\"963\" height=\"695\" srcset=\"https:\/\/resoilfoundation.org\/wp-content\/uploads\/2024\/11\/zinco-grafico.jpg 963w, https:\/\/resoilfoundation.org\/wp-content\/uploads\/2024\/11\/zinco-grafico-300x217.jpg 300w, https:\/\/resoilfoundation.org\/wp-content\/uploads\/2024\/11\/zinco-grafico-768x554.jpg 768w, https:\/\/resoilfoundation.org\/wp-content\/uploads\/2024\/11\/zinco-grafico-705x509.jpg 705w\" sizes=\"auto, (max-width: 963px) 100vw, 963px\" \/><p id=\"caption-attachment-37067\" class=\"wp-caption-text\">Zinc treatments would enhance the protective effects of xanthophylls-the yellow pigments in leaves such as violaxanthin, anthraxanthin, and zeaxanthin that act by dissipating excess light energy-in stressful conditions. Image: Arun K. Shanker wt al., &#8220;<a href=\"https:\/\/doi.org\/10.1016\/j.stress.2024.100651\" target=\"_blank\" rel=\"noopener\">Zinc nano and zinc ethylenediaminetetraacetic acid (EDTA) mediated water deficit stress alleviation in pearl millet (Pennisetum glaucum (L.) R. Br.): Photosystem II electron transport and pigment dynamics<\/a>&#8220;, Plant Stress, Volume 14, 2024, https:\/\/doi.org\/10.1016\/j.stress.2024.100651 Attribution-NonCommercial-NoDerivatives 4.0 International CC BY-NC-ND 4.0 Deed<\/p><\/div>\n<h5>Protection guaranteed to pigments is crucial<\/h5>\n<p>The study highlights the crucial role of <a href=\"https:\/\/en.wikipedia.org\/wiki\/Xanthophyll\" target=\"_blank\" rel=\"noopener\">xanthophylls<\/a> &#8211; the yellow pigments in leaves &#8211; in <strong>dissipating excess light energy<\/strong>. According to the researchers, zinc treatments would enhance their protective effects under stressful conditions. \u201cTreatments with Zn Nano (particle size &lt; 90 nm) spray with Zn concentration at 20 mg L\u22121 and Zn EDTA spray (solid material size \u223c 100 \u00b5m) with Zn concentration at 240 mg L\u22121 effectively ameliorated water deficit stress.\u201d<\/p>\n<blockquote><p>The applications, in particular, \u201cpositively influenced <strong>chlorophyll content<\/strong>, and xanthophyll components, including violaxanthin, antheraxanthin, and zeaxanthin, and reduced <strong>non-photochemical quenching<\/strong> and the de-<a href=\"https:\/\/en.wiktionary.org\/wiki\/epoxidation#English\" target=\"_blank\" rel=\"noopener\">expoxidation<\/a> state.\u201d<\/p><\/blockquote>\n<p>At the same time, the scientists note, increasing the concentration of zinc nanoparticles in the foliar spray (30 mg liter) made the treatment less effective. \u201cThis lack of stress amelioration at higher concentrations&#8221;, they explain, \u201dmay be due to physiological limitations of elemental zinc action within the plant.\u201d<\/p>\n<div class='avia-iframe-wrap'>\n<blockquote class=\"wp-embedded-content\" data-secret=\"0STzmPIqrO\"><p><a href=\"https:\/\/resoilfoundation.org\/en\/articles\/ultrasound-device-drought-plant\/\">Ultrasound device measures the impact of drought on plants<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8220;Ultrasound device measures the impact of drought on plants&#8221; &#8212; Re Soil Foundation\" src=\"https:\/\/resoilfoundation.org\/en\/articles\/ultrasound-device-drought-plant\/embed\/#?secret=09hTnWodVu#?secret=0STzmPIqrO\" data-secret=\"0STzmPIqrO\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/div>\n<h5>Implications for food security<\/h5>\n<p>The results, the researchers conclude, underscore the potential of foliar sprays, especially in <strong>nanometer form<\/strong>, in increasing drought resistance of crops and, as such, in paving the way for sustainable agricultural practices in water-constrained environments. This is essential, especially in the context of global warming.<\/p>\n<p>\u201cThis study not only provides mechanistic insights into zinc&#8217;s role in stress tolerance but also suggests practical applications for enhancing crop resilience in the face of <strong>climate change<\/strong>-induced water scarcity,\u201d the authors say. \u201cThe research has significant implications for developing low-cost, efficient foliar nutrition strategies to support <strong>global food security<\/strong>.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>An Indian study reveals the properties of zinc in mitigating the effects of water stress on plants. Foliar sprays offer an effective solution<\/p>\n","protected":false},"author":4,"featured_media":37132,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[158,134],"tags":[190,153,187,239,229,188],"class_list":["post-37129","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-agricultural-industry","category-articles","tag-agriculture","tag-best-practice-en","tag-climate","tag-crops","tag-drought","tag-research"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How zinc improves drought resistance of crops<\/title>\n<meta name=\"description\" content=\"Zinc release in the form of nanoparticles and ethylenediaminetetraacetic acid is accomplished by foliar sprays\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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