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dc.contributor.authorMOTA, K. da S.
dc.contributor.authorGARCIA, K. G. V.
dc.contributor.authorALMEIDA, M. de S.
dc.contributor.authorBARBOSA, F. L. A.
dc.contributor.authorBORGES, W. L.
dc.contributor.authorMESQUITA, R. O.
dc.contributor.authorARAUJO, A. S. F.
dc.contributor.authorSOUSA, G. G. de
dc.contributor.authorPEREIRA, A. P. de A.
dc.date.accessioned2026-07-31T13:57:21Z-
dc.date.available2026-07-31T13:57:21Z-
dc.date.created2026-07-31
dc.date.issued2026
dc.identifier.citationBrazilian Journal of Microbiology, v. 57, n. 1, 84, Dec. 2026.
dc.identifier.issn1678-4405
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1188797-
dc.descriptionMimosa caesalpiniifolia is a native legume commonly used in agroforestry systems, degraded land recovery, and timber production in semiarid regions. Although this species is naturally hardy, its seedlings are highly sensitive to water deficit during early growth stages, limiting their establishment under drought conditions. This study investigated the effects of Bacillus aryabhattai inoculation and silicon (Si) application on seedling growth, physiological performance, and soil microbial and enzymatic activity under two water regimes (50% and 100% water level) and four treatments (control, B. aryabhattai, Si, and B. aryabhattai + Si), in a greenhouse experiment. Seedlings under 100% water level showed significantly higher shoot and root biomass, leaf number, root length, plant height, and seedling quality indices. Chlorophyll and carotenoid contents increased in combined B. aryabhattai + Si treatments, independent of water level. Water use efficiency improved under drought conditions (50%). Soil basal respiration rose by ~ 87% and 75% with B. aryabhattai and B. aryabhattai + Si at 50% water level, respectively. Enzymatic activities (arylsulfatase, β-glucosidase, phosphatases, urease) increased up to 600% with B. aryabhattai + Si compared to control. Si concentration was highest in shoots with B. aryabhattai at 100% water level, and in roots with B. aryabhattai + Si at 50% water level. Soil Si concentration peaked in the Si-only treatment at 100% water level. These findings demonstrate the synergistic potential of B. aryabhattai and Si to enhance drought tolerance and soil biological quality in M. caesalpiniifolia seedlings, supporting sustainable restoration in semiarid ecosystems.
dc.language.isopor
dc.rightsopenAccess
dc.subjectEstresse hídrico
dc.subjectRizobactérias promotoras de crescimento vegetal
dc.subjectAtividade enzimática do solo
dc.titleBacillus aryabhattai and silicon modulate soil biological activity and performance of Mimosa caesalpiniifolia under water deficit.
dc.typeArtigo de periódico
dc.subject.thesagroSabiá
dc.subject.thesagroSilício
dc.subject.thesagroMicrobiologia do Solo
dc.subject.thesagroRespiração do Solo
dc.subject.nalthesaurusMimosa caesalpiniifolia
dc.subject.nalthesaurusBacillus aryabhattai
dc.subject.nalthesaurusSilicon
dc.subject.nalthesaurusWater stress
dc.subject.nalthesaurusPlant growth-promoting rhizobacteria
dc.subject.nalthesaurusSoil respiration
dc.subject.nalthesaurusSoil biological properties
dc.subject.nalthesaurusSoil enzymes
riaa.ainfo.id1188797
riaa.ainfo.lastupdate2026-07-31
dc.identifier.doihttps://doi.org/10.1007/s42770-026-01912-0
dc.contributor.institutionKELE DA SILVA MOTA, UNIVERSIDADE FEDERAL DO CEARÁ; KAIO GRÁCULO VIEIRA GARCIA, UNIVERSIDADE FEDERAL DO CEARÁ; MURILO DE SOUSA ALMEIDA, UNIVERSIDADE FEDERAL DO CEARÁ; FRANCISCO LUAN ALMEIDA BARBOSA, UNIVERSIDADE FEDERAL DO CEARÁ; WARDSSON LUSTRINO BORGES, CNPAT; ROSILENE OLIVEIRA MESQUITA, UNIVERSIDADE FEDERAL DO CEARÁ; ADEMIR SERGIO FERREIRA ARAUJO, UNIVERSIDADE FEDERAL DO PIAUÍ; GEOCLEBER GOMES DE SOUSA, UNIVERSIDADE DA INTEGRAÇÃO INTERNACIONAL DA LUSOFONIA AFRO-BRASILEIRA; ARTHUR PRUDÊNCIO DE ARAUJO PEREIRA, UNIVERSIDADE FEDERAL DO CEARÁ.
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