{"id":5255,"date":"2026-01-20T15:41:25","date_gmt":"2026-01-20T15:41:25","guid":{"rendered":"https:\/\/www.hello-nature.com\/int\/?p=5255"},"modified":"2026-01-20T15:41:26","modified_gmt":"2026-01-20T15:41:26","slug":"biostimulant-effects-on-greenhouse-lettuce-salinity-tolerance","status":"publish","type":"post","link":"https:\/\/www.hello-nature.com\/int\/biostimulant-effects-on-greenhouse-lettuce-salinity-tolerance\/","title":{"rendered":"Biostimulant Effects on Greenhouse Lettuce Salinity Tolerance"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"5255\" class=\"elementor elementor-5255\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-bbf73d6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"bbf73d6\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6ca2d03\" data-id=\"6ca2d03\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ce16359 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ce16359\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1884506\" data-id=\"1884506\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c975c52 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"c975c52\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Summary of Plant biostimulants from seaweeds or vegetal proteins enhance the salinity tolerance in greenhouse lettuce by modulating plant metabolism in a distinctive manner<\/p><div class=\"pointer-events-none h-px w-px absolute bottom-0\" aria-hidden=\"true\" data-edge=\"true\"><div class=\"pointer-events-none h-px w-px absolute bottom-0\" aria-hidden=\"true\" data-edge=\"true\"><h2 data-start=\"460\" data-end=\"527\">Biostimulant Effects on Greenhouse Lettuce Under Salinity Stress<\/h2><p data-start=\"529\" data-end=\"1012\"><strong data-start=\"529\" data-end=\"575\">Biostimulant Effects on Greenhouse Lettuce<\/strong> are increasingly studied as sustainable solutions to improve crop performance under stress conditions. In greenhouse systems, salinity represents a major constraint for lettuce growth and yield. Therefore, growers and researchers seek effective tools to reduce salt-related damage while maintaining productivity. Among these tools, plant biostimulants such as seaweed extracts (SWE) and protein hydrolysates (PH) show promising results.<\/p><p data-start=\"1014\" data-end=\"1189\">This study evaluates how these biostimulants influence greenhouse lettuce growth, yield, mineral composition, and metabolic responses under both optimal and saline conditions.<\/p><h2 data-start=\"1191\" data-end=\"1253\">Biostimulant Effects on Greenhouse Lettuce Growth and Yield<\/h2><p data-start=\"1255\" data-end=\"1441\">Salinity stress strongly reduced lettuce growth. In fact, shoot fresh weight decreased by 15.3% at 40 mM NaCl. However, biostimulant application significantly improved plant performance.<\/p><p data-start=\"1443\" data-end=\"1767\">Both SWE and PH increased shoot fresh weight under non-saline conditions. Moreover, their effects were even stronger under salinity stress. On average, yield increased by 18% when plants received biostimulant treatments. These results clearly demonstrate positive <strong data-start=\"1707\" data-end=\"1753\"><a href=\"https:\/\/www.hello-nature.com\/int\/biostimulants-psp\/\">biostimulant<\/a> effects on greenhouse lettuce<\/strong> productivity.<\/p><h2 data-start=\"1769\" data-end=\"1836\">Effects of Biostimulants on Mineral Uptake in Greenhouse Lettuce<\/h2><p data-start=\"1838\" data-end=\"2032\">Salinity usually causes excessive sodium and chloride accumulation in plant tissues. Consequently, nutrient balance becomes disrupted. In this study, biostimulants actively reduced ion toxicity.<\/p><p data-start=\"2034\" data-end=\"2316\">PH reduced sodium content by 15.6% under saline conditions. Similarly, SWE lowered sodium accumulation by 9.4%. Additionally, PH significantly decreased chloride concentration, while SWE showed a weaker effect. Therefore, PH appeared more effective in regulating harmful ion uptake.<\/p><h2 data-start=\"2318\" data-end=\"2374\">Biostimulant Effects on Greenhouse Lettuce Metabolism<\/h2><p data-start=\"2376\" data-end=\"2563\">Beyond growth responses, biostimulants also altered lettuce metabolism. Both SWE and PH triggered strong metabolic reprogramming. As a result, plants accumulated stress-related compounds.<\/p><p data-start=\"2565\" data-end=\"2883\">Notably, glucosinolates, jasmonates, and terpenoid phytoalexins increased following <a href=\"https:\/\/www.hello-nature.com\/int\/biostimulants-psp\/\">biostimulant<\/a> application. However, the two products acted differently. PH promoted glucosinolate and phytoalexin precursor accumulation. In contrast, SWE reduced the accumulation of several secondary metabolites under salinity stress.<\/p><p data-start=\"2885\" data-end=\"3035\">These distinct metabolomic signatures highlight different modes of action. Therefore, combining both biostimulants could offer complementary benefits.<\/p><h2 data-start=\"3037\" data-end=\"3098\">Implications for Sustainable Greenhouse Lettuce Production<\/h2><p data-start=\"3100\" data-end=\"3406\">Overall, this research confirms the strong <strong data-start=\"3143\" data-end=\"3189\">biostimulant effects on greenhouse lettuce<\/strong> under saline conditions. SWE and PH enhanced yield, improved mineral balance, and activated stress-related metabolic pathways. Moreover, their distinct physiological responses suggest possible synergistic strategies.<\/p><p data-start=\"3408\" data-end=\"3623\">Consequently, integrating targeted <a href=\"https:\/\/www.hello-nature.com\/int\/biostimulants-psp\/\">biostimulant<\/a> applications into greenhouse systems may help mitigate salinity stress. This approach supports sustainable lettuce production while maintaining high yield and quality.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4193794 elementor-widget elementor-widget-text-editor\" data-id=\"4193794\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Publication: Scientia Horticulturae<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f10b506 elementor-widget elementor-widget-text-editor\" data-id=\"f10b506\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default elementor-inline-editing pen\" data-elementor-setting-key=\"title\" data-pen-placeholder=\"Type Here...\">Y. Rouphael, P. Carillo , P. Garcia-Perez, M. Cardarelli, B. Senizza, B. Miras-Moreno, G. Colla, L. Lucini<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ea43652 elementor-widget elementor-widget-button\" data-id=\"ea43652\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0304423822004897?via%3Dihub\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Full Publication <\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Summary of Plant biostimulants from seaweeds or vegetal proteins enhance the salinity tolerance in greenhouse lettuce by modulating plant metabolism in a distinctive manner Biostimulant Effects on Greenhouse Lettuce Under Salinity Stress Biostimulant Effects on Greenhouse Lettuce are increasingly studied as sustainable solutions to improve crop performance under stress conditions. In greenhouse systems, salinity represents [&hellip;]<\/p>\n","protected":false},"author":92,"featured_media":5256,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[161,168,165,176,174,171,163],"tags":[],"class_list":["post-5255","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application","category-biostimulant-psp","category-crop","category-lettuce","category-scientific-publications","category-substrate","category-technology"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Biostimulant Effects on Greenhouse Lettuce Salinity Tolerance - Hello Nature International<\/title>\n<meta name=\"description\" content=\"Biostimulant Effects on Greenhouse Lettuce improving yield and salt stress tolerance through seaweed extracts and protein 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