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Registros recuperados : 6 | |
4. | | CHARÃO, L. S.; SANTOS, T. D. dos; ZAMPIERI, A.; BEHLING, M. Crescimento inicial de Pau-de-Balsa sob diferentes níveis de adubação e espaçamento, em Guarantã do Norte - MT. In: CONGRESSO FLORESTAL DE MATO GROSSO, 1.; SIMPÓSIO DE PÓS-GRADUAÇÃO EM CIÊNCIAS AMBIENTAIS E FLORESTAIS, 5.; SEMANA ACADÊMICA DE ENGENHARIA FLORESTAL - UFMT/Sinop, 5., 2015, Sinop. Anais. Sinop: UFMT, 2015. [p. 124-127] 4 p. Disponível online. Seção: Silvicultura. Biblioteca(s): Embrapa Agrossilvipastoril. |
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6. | | SANTOS, T. D. dos; FERREIRA, E. P. de B.; KNUPP, A. M.; CORTES, M. V. de C. B. Caracterização de bactérias diazotróficas obtidas em diferentes regiões produtoras de feijoeiro-comum. In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 32.; REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 16.; SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 14.; REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 11., 2016, Goiânia. Rumo aos novos desafios: [anais]. Viçosa, MG: Sociedade Brasileira de Ciência do Solo, 2016. FertBio 2016. Biblioteca(s): Embrapa Arroz e Feijão. |
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Registros recuperados : 6 | |
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Registro Completo
Biblioteca(s): |
Embrapa Arroz e Feijão. |
Data corrente: |
18/12/2023 |
Data da última atualização: |
18/12/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 2 |
Autoria: |
SANTOS, T. D. dos; ASOBIA, P. C.; FERREIRA, E. P. de B. |
Afiliação: |
THÁLYTA DUARTE DOS SANTOS, UFG; PRINCEWILL CHUKWUMA ASOBIA, UFG; ENDERSON PETRONIO DE BRITO FERREIRA, CNPAF. |
Título: |
Polyphasic characterization of rhizobial isolates obtained from different common bean-producing regions. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
Bioscience Journal, v. 39, e39082, 2023. |
ISSN: |
1981-3163 |
DOI: |
https://doi.org/10.14393/BJ-v39n0a2023-67229 |
Idioma: |
Inglês |
Conteúdo: |
In Brazil, the common bean is a crop with significant social and economic importance. The prospecting of N2 fixing bacteria is crucial since biological nitrogen fixation (BNF) is an eco-friendly technique. This work aimed to obtain and characterize rhizobium isolates based on morpho-physiological, molecular, and symbiotic efficiency parameters, using the strains SEMIA 4077, SEMIA 4080, and SEMIA 4088 as references. The characteristics of the isolates and colonies, their tolerance to salinity and temperature, as well as their utilization of carbon sources, served as the basis for the morpho-physiological characterization. BOX-PCR, REP-PCR, and ERIC-PCR markers were used for genotypic characterization. Assessment of the symbiotic efficiency was carried out in a greenhouse, determining the number of nodules (NN), nodule dry weight (NDW), shoot dry weight (SDW), and total-N (Total-N) accumulation in the shoot. Among the isolates, those exhibiting: neutral culture medium pH, fast growth, colony diameter <2 mm, opaque transparency, homogeneous appearance, and cream color were predominant. Compared to temperature, salinity was the most restrictive factor to the growth of the isolates. Most of the isolates grew on sucrose (88.43%) and mannitol (87.28%). Genotypic analysis revealed that 90% of the isolates clustered in the same group as the reference strain SEMIA 4080. The TaMsG2R1 and BaDeG4R2 isolates showed higher Total-N in the shoot than the reference strains and should be evaluated in future studies under field conditions. MenosIn Brazil, the common bean is a crop with significant social and economic importance. The prospecting of N2 fixing bacteria is crucial since biological nitrogen fixation (BNF) is an eco-friendly technique. This work aimed to obtain and characterize rhizobium isolates based on morpho-physiological, molecular, and symbiotic efficiency parameters, using the strains SEMIA 4077, SEMIA 4080, and SEMIA 4088 as references. The characteristics of the isolates and colonies, their tolerance to salinity and temperature, as well as their utilization of carbon sources, served as the basis for the morpho-physiological characterization. BOX-PCR, REP-PCR, and ERIC-PCR markers were used for genotypic characterization. Assessment of the symbiotic efficiency was carried out in a greenhouse, determining the number of nodules (NN), nodule dry weight (NDW), shoot dry weight (SDW), and total-N (Total-N) accumulation in the shoot. Among the isolates, those exhibiting: neutral culture medium pH, fast growth, colony diameter <2 mm, opaque transparency, homogeneous appearance, and cream color were predominant. Compared to temperature, salinity was the most restrictive factor to the growth of the isolates. Most of the isolates grew on sucrose (88.43%) and mannitol (87.28%). Genotypic analysis revealed that 90% of the isolates clustered in the same group as the reference strain SEMIA 4080. The TaMsG2R1 and BaDeG4R2 isolates showed higher Total-N in the shoot than the reference strains and should be evalu... Mostrar Tudo |
Palavras-Chave: |
Rhizobial isolates. |
Thesagro: |
Feijão; Fixação de Nitrogênio; Phaseolus Vulgaris; Rhizobium. |
Thesaurus NAL: |
Beans; Nitrogen fixation. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/259824/1/bj-2023-2.pdf
|
Marc: |
LEADER 02319naa a2200253 a 4500 001 2159872 005 2023-12-18 008 2023 bl uuuu u00u1 u #d 022 $a1981-3163 024 7 $ahttps://doi.org/10.14393/BJ-v39n0a2023-67229$2DOI 100 1 $aSANTOS, T. D. dos 245 $aPolyphasic characterization of rhizobial isolates obtained from different common bean-producing regions.$h[electronic resource] 260 $c2023 520 $aIn Brazil, the common bean is a crop with significant social and economic importance. The prospecting of N2 fixing bacteria is crucial since biological nitrogen fixation (BNF) is an eco-friendly technique. This work aimed to obtain and characterize rhizobium isolates based on morpho-physiological, molecular, and symbiotic efficiency parameters, using the strains SEMIA 4077, SEMIA 4080, and SEMIA 4088 as references. The characteristics of the isolates and colonies, their tolerance to salinity and temperature, as well as their utilization of carbon sources, served as the basis for the morpho-physiological characterization. BOX-PCR, REP-PCR, and ERIC-PCR markers were used for genotypic characterization. Assessment of the symbiotic efficiency was carried out in a greenhouse, determining the number of nodules (NN), nodule dry weight (NDW), shoot dry weight (SDW), and total-N (Total-N) accumulation in the shoot. Among the isolates, those exhibiting: neutral culture medium pH, fast growth, colony diameter <2 mm, opaque transparency, homogeneous appearance, and cream color were predominant. Compared to temperature, salinity was the most restrictive factor to the growth of the isolates. Most of the isolates grew on sucrose (88.43%) and mannitol (87.28%). Genotypic analysis revealed that 90% of the isolates clustered in the same group as the reference strain SEMIA 4080. The TaMsG2R1 and BaDeG4R2 isolates showed higher Total-N in the shoot than the reference strains and should be evaluated in future studies under field conditions. 650 $aBeans 650 $aNitrogen fixation 650 $aFeijão 650 $aFixação de Nitrogênio 650 $aPhaseolus Vulgaris 650 $aRhizobium 653 $aRhizobial isolates 700 1 $aASOBIA, P. C. 700 1 $aFERREIRA, E. P. de B. 773 $tBioscience Journal$gv. 39, e39082, 2023.
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Embrapa Arroz e Feijão (CNPAF) |
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