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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
30/08/2022 |
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Data da última atualização: |
30/08/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BRESSANIN, L. A.; DINIZ, A. A. M.; SOUZA, K. R. D. de; FLORENTINO, L. A.; SILVA, A. B. da; MAGALHAES, P. C.; PASQUAL, M.; SOUZA, T. C. de. |
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Afiliação: |
LETICIA A. BRESSANIN, Universidade Federal de Alfenas; ANDRE A. M. DINIZ, Universidade Federal de Alfenas; KAMILA R. D. DE SOUZA, Universidade Federal de Alfenas; LIGIANE A. FLORENTINO, Universidade José do Rosário Vellano; ADRIANO B. DA SILVA, Universidade José do Rosário Vellano; PAULO CESAR MAGALHAES, CNPMS; MOACIR PASQUAL, Universidade Federal de Lavras; THIAGO C DE SOUZA, Universidade Federal de Alfenas. |
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Título: |
Diazotrophic bacteria improve Hymenaea courbaril seedlings growth and survival in iron mine tailings. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Journal of Environmental Management, v. 321, 115985, 2022. |
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DOI: |
https://doi.org/10.1016/j.jenvman.2022.115985 |
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Idioma: |
Inglês |
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Conteúdo: |
One of the largest accidents with mine tailings happened in Brazil in 2015, with the rupture of the Fundao dam, and the physical characteristics of these tailings make it difficult to recover degraded areas. Hymenaea courbaril is a tree species native to Brazil that has low nutritional and water requirements, besides its capacity for survival in contaminated environments. In this study we hypothesized that inoculation with diazotrophs would improve the growth and physiology of H. courbaril in tailings, favoring the reforestation process aiming the recovery of the accident site. Every 20 days for 60 days, we investigated the morphophysiology of H. courbaril grown in iron mine tailings or soil, with the addition of nitrate (N-positive control), non-inoculation (negative control) or inoculation with native diazotrophic bacteria previously isolated from the tailings (UNIFENAS100-569; UNIFENAS100-654 and UNIFENAS100-638). We found that H. courbaril has survival capacity under mine tailings, with no growth alteration in the tailings, although there were signs of reduced ability for photoprotective responses. Inoculation with diazotrophic bacteria improved physiological aspects of H. courbaril and strain UNIFENAS100-638 was the most effective in favoring total growth of plants, net photosynthetic rate and root morphology under mine tailings. The survival capacity and growth of H. courbaril indicates the possibility of its use for reforestation in areas degraded by mine tailings. Further studies are necessary in field conditions and with a larger experimental period to more thoroughly understand H. courbaril tolerance. MenosOne of the largest accidents with mine tailings happened in Brazil in 2015, with the rupture of the Fundao dam, and the physical characteristics of these tailings make it difficult to recover degraded areas. Hymenaea courbaril is a tree species native to Brazil that has low nutritional and water requirements, besides its capacity for survival in contaminated environments. In this study we hypothesized that inoculation with diazotrophs would improve the growth and physiology of H. courbaril in tailings, favoring the reforestation process aiming the recovery of the accident site. Every 20 days for 60 days, we investigated the morphophysiology of H. courbaril grown in iron mine tailings or soil, with the addition of nitrate (N-positive control), non-inoculation (negative control) or inoculation with native diazotrophic bacteria previously isolated from the tailings (UNIFENAS100-569; UNIFENAS100-654 and UNIFENAS100-638). We found that H. courbaril has survival capacity under mine tailings, with no growth alteration in the tailings, although there were signs of reduced ability for photoprotective responses. Inoculation with diazotrophic bacteria improved physiological aspects of H. courbaril and strain UNIFENAS100-638 was the most effective in favoring total growth of plants, net photosynthetic rate and root morphology under mine tailings. The survival capacity and growth of H. courbaril indicates the possibility of its use for reforestation in areas degraded by mine tailings. Fu... Mostrar Tudo |
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Palavras-Chave: |
Morfofisiologia vegetal; Remediação. |
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Thesagro: |
Bactéria; Estimulante de Crescimento Vegetal; Jatobá; Mineração; Resíduo. |
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Categoria do assunto: |
S Ciências Biológicas |
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Marc: |
LEADER 02563naa a2200301 a 4500
001 2145855
005 2022-08-30
008 2022 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.jenvman.2022.115985$2DOI
100 1 $aBRESSANIN, L. A.
245 $aDiazotrophic bacteria improve Hymenaea courbaril seedlings growth and survival in iron mine tailings.$h[electronic resource]
260 $c2022
520 $aOne of the largest accidents with mine tailings happened in Brazil in 2015, with the rupture of the Fundao dam, and the physical characteristics of these tailings make it difficult to recover degraded areas. Hymenaea courbaril is a tree species native to Brazil that has low nutritional and water requirements, besides its capacity for survival in contaminated environments. In this study we hypothesized that inoculation with diazotrophs would improve the growth and physiology of H. courbaril in tailings, favoring the reforestation process aiming the recovery of the accident site. Every 20 days for 60 days, we investigated the morphophysiology of H. courbaril grown in iron mine tailings or soil, with the addition of nitrate (N-positive control), non-inoculation (negative control) or inoculation with native diazotrophic bacteria previously isolated from the tailings (UNIFENAS100-569; UNIFENAS100-654 and UNIFENAS100-638). We found that H. courbaril has survival capacity under mine tailings, with no growth alteration in the tailings, although there were signs of reduced ability for photoprotective responses. Inoculation with diazotrophic bacteria improved physiological aspects of H. courbaril and strain UNIFENAS100-638 was the most effective in favoring total growth of plants, net photosynthetic rate and root morphology under mine tailings. The survival capacity and growth of H. courbaril indicates the possibility of its use for reforestation in areas degraded by mine tailings. Further studies are necessary in field conditions and with a larger experimental period to more thoroughly understand H. courbaril tolerance.
650 $aBactéria
650 $aEstimulante de Crescimento Vegetal
650 $aJatobá
650 $aMineração
650 $aResíduo
653 $aMorfofisiologia vegetal
653 $aRemediação
700 1 $aDINIZ, A. A. M.
700 1 $aSOUZA, K. R. D. de
700 1 $aFLORENTINO, L. A.
700 1 $aSILVA, A. B. da
700 1 $aMAGALHAES, P. C.
700 1 $aPASQUAL, M.
700 1 $aSOUZA, T. C. de
773 $tJournal of Environmental Management$gv. 321, 115985, 2022.
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Registro original: |
Embrapa Milho e Sorgo (CNPMS) |
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Registro Completo
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Biblioteca(s): |
Embrapa Agroenergia. |
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Data corrente: |
11/10/2018 |
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Data da última atualização: |
11/10/2018 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
GUIMARÃES, M. B.; NAKAI, D. K.; SALUM, T. F. C.; RIBEIRO, J. A. de A.; MENDONCA, S. |
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Afiliação: |
MARINA BORGES GUIMARÃES; DIOGO KEIJI NAKAI, CNPAE; THAIS FABIANA CHAN SALUM, CNPAE; JOSE ANTONIO DE AQUINO RIBEIRO, CNPAE; SIMONE MENDONCA, CNPAE. |
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Título: |
Nova metodologia para determinação de acidez em óleo de dendê híbrido. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
In: ENCONTRO DE PESQUISA E INOVAÇÃO DA EMBRAPA AGROENERGIA, 5., 2018, Brasília, DF. Anais ... Brasília, DF: Embrapa Agroenergia, 2018. |
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Páginas: |
p. 14. |
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Idioma: |
Português |
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Palavras-Chave: |
Ácidos graxos livres; Óleo de palma; Qualidade de óleo; UPLC. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/184249/1/EnPI-2018-4.pdf
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Marc: |
LEADER 00700nam a2200205 a 4500
001 2097260
005 2018-10-11
008 2018 bl uuuu u00u1 u #d
100 1 $aGUIMARÃES, M. B.
245 $aNova metodologia para determinação de acidez em óleo de dendê híbrido.$h[electronic resource]
260 $aIn: ENCONTRO DE PESQUISA E INOVAÇÃO DA EMBRAPA AGROENERGIA, 5., 2018, Brasília, DF. Anais ... Brasília, DF: Embrapa Agroenergia$c2018
300 $ap. 14.
653 $aÁcidos graxos livres
653 $aÓleo de palma
653 $aQualidade de óleo
653 $aUPLC
700 1 $aNAKAI, D. K.
700 1 $aSALUM, T. F. C.
700 1 $aRIBEIRO, J. A. de A.
700 1 $aMENDONCA, S.
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