{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T05:46:13Z","timestamp":1785735973408,"version":"3.56.0"},"reference-count":77,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T00:00:00Z","timestamp":1785715200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["UID\/05748\/2025, UID\/PRR\/05748\/2025, UIDP\/ 04551\/2 020, UIDP\/04551\/2020 , UIDB\/04046\/2020 , UID\/50006\/2025"],"award-info":[{"award-number":["UID\/05748\/2025, UID\/PRR\/05748\/2025, UIDP\/ 04551\/2 020, UIDP\/04551\/2020 , UIDB\/04046\/2020 , UID\/50006\/2025"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Plant Sci."],"abstract":"<jats:p>\n                    Silicon (Si) is recognized as a beneficial element that enhances plant growth and stress tolerance in various species, although its effects in hardwoods remain unclear. This study evaluated the impact of Si supplementation on\n                    <jats:italic>Eucalyptus globulus<\/jats:italic>\n                    growth and its responses to drought and fungal infection. Two\n                    <jats:italic>E. globulus<\/jats:italic>\n                    genotypes were treated with 1 or 2 mM calcium silicate (CaSiO\n                    <jats:sub>3<\/jats:sub>\n                    ), via substrate irrigation under nursery conditions, and Si content, plant growth, and productivity-related indicators were evaluated. After Si treatment, plants were subjected to drought stress using PEG-6000 or inoculated with\n                    <jats:italic>Neopestalotiopsis lusitanica.<\/jats:italic>\n                    In the drought-stressed plants, growth, stress markers, and antioxidant enzyme activities were evaluated. In the pathogen-inoculated, disease severity was assessed using mortality, lesion size, and symptom development. We observed that in genotype B, treatment with 2 mM CaSiO\n                    <jats:sub>3<\/jats:sub>\n                    increased plant height by 60% and also increased photosynthetic pigments and starch content. In genotype A, the same treatment was particularly effective under stress conditions, increasing plant growth under drought stress by 50% and also reducing oxidative stress (decreasing proline, GSH and lipid peroxidation), enhancing glutamate dehydrogenase activity, and mitigating fungal infection by delaying lesion progression, symptom development and lowering plant mortality by 37.5% at the end of the trial. The effects were supported by the detection of Si in the leaves of both genotypes. These findings suggest that Si can enhance\n                    <jats:italic>E. globulus<\/jats:italic>\n                    growth and resilience and may represent a valuable tool in eucalyptus management, both in nurseries, where plants are often subjected to high-density cultivation and increased pathogen pressure, including emerging nursery-associated fungi such as\n                    <jats:italic>Neopestalotiopsis<\/jats:italic>\n                    sp, and under field conditions, where plants are frequently exposed to water limitations.\n                  <\/jats:p>","DOI":"10.3389\/fpls.2026.1894505","type":"journal-article","created":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T05:31:45Z","timestamp":1785735105000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["The influence of silicon on growth, drought stress tolerance and defense against Neopestalotiopsis lusitanica, in Eucalyptus globulus"],"prefix":"10.3389","volume":"17","author":[{"given":"Filipa L.","family":"Barros","sequence":"first","affiliation":[{"name":"Departamento de Biologia, Faculdade de Ci\u00eancias, Universidade do Porto","place":["Porto, Portugal"]},{"name":"INOV4Agro - GreenUPorto - Centro de Investiga\u00e7\u00e3o em Produ\u00e7\u00e3o Agroalimentar Sustent\u00e1vel & Departamento de Biologia, Faculdade de Ci\u00eancias, Universidade do Porto","place":["Porto, Portugal"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Telma","family":"Nunes","sequence":"additional","affiliation":[{"name":"Departamento de Biologia, Faculdade de Ci\u00eancias, Universidade do Porto","place":["Porto, Portugal"]},{"name":"INOV4Agro - GreenUPorto - Centro de Investiga\u00e7\u00e3o em Produ\u00e7\u00e3o Agroalimentar Sustent\u00e1vel & Departamento de Biologia, Faculdade de Ci\u00eancias, Universidade do Porto","place":["Porto, Portugal"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Catarina I.","family":"Gon\u00e7alves","sequence":"additional","affiliation":[{"name":"Instituto de Investiga\u00e7\u00e3o da Floresta e Papel (RAIZ), Quinta de S. Francisco","place":["Eixo, Portugal"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Helena","family":"Bragan\u00e7a","sequence":"additional","affiliation":[{"name":"Instituto Nacional de Investiga\u00e7\u00e3o Agr\u00e1ria e Veterin\u00e1ria, IP (INIAV, IP), Quinta do Marqu\u00eas","place":["Oeiras, Portugal"]},{"name":"BioISI, Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisbon","place":["Lisboa, Portugal"]},{"name":"GREEN-IT Bioresources for Sustainability, ITQB NOVA","place":["Oeiras, Portugal"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eug\u00e9nio","family":"Diogo","sequence":"additional","affiliation":[{"name":"Instituto Nacional de Investiga\u00e7\u00e3o Agr\u00e1ria e Veterin\u00e1ria, IP (INIAV, IP), Quinta do Marqu\u00eas","place":["Oeiras, Portugal"]},{"name":"BioISI, Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisbon","place":["Lisboa, Portugal"]},{"name":"GREEN-IT Bioresources for Sustainability, ITQB NOVA","place":["Oeiras, Portugal"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rui","family":"Azevedo","sequence":"additional","affiliation":[{"name":"LAQV REQUIMTE, Faculdade de Farm\u00e1cia, Universidade do Porto","place":["Porto, Portugal"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Agostinho","family":"Almeida","sequence":"additional","affiliation":[{"name":"LAQV REQUIMTE, Faculdade de Farm\u00e1cia, Universidade do Porto","place":["Porto, Portugal"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ana","family":"Quintela","sequence":"additional","affiliation":[{"name":"Instituto de Investiga\u00e7\u00e3o da Floresta e Papel (RAIZ), Quinta de S. 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