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Registro Completo |
Biblioteca(s): |
Embrapa Trigo. |
Data corrente: |
14/12/2010 |
Data da última atualização: |
23/08/2013 |
Autoria: |
DILL-MACKY, R.; JONES, R. K. |
Título: |
The effect of previous crop residues and tillage on fusarium head blight of wheat. |
Ano de publicação: |
2000 |
Fonte/Imprenta: |
Plant Disease, v. 84, n. 1, p. 71-76, 2000. |
Idioma: |
Inglês |
Palavras-Chave: |
Gibberella zeae; Wheat scab. |
Thesagro: |
Fusarium Graminearum. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00458naa a2200157 a 4500 001 1869786 005 2013-08-23 008 2000 bl --- 0-- u #d 100 1 $aDILL-MACKY, R. 245 $aThe effect of previous crop residues and tillage on fusarium head blight of wheat. 260 $c2000 650 $aFusarium Graminearum 653 $aGibberella zeae 653 $aWheat scab 700 1 $aJONES, R. K. 773 $tPlant Disease$gv. 84, n. 1, p. 71-76, 2000.
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Embrapa Trigo (CNPT) |
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Registro Completo
Biblioteca(s): |
Embrapa Agrobiologia; Embrapa Roraima; Embrapa Unidades Centrais. |
Data corrente: |
13/06/2014 |
Data da última atualização: |
01/06/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
BARAÚNA, A. C.; SILVA, K. da; PEREIRA, G. M. D.; KAMINSKI, P. E.; PERIN, L.; ZILLI, J. E. |
Afiliação: |
KRISLE DA SILVA, CPAF-RR; PAULO EMILIO KAMINSKI, CPAF-RR. |
Título: |
Diversity and nitrogen fixation efficiency of rhizobia isolated from nodules of Centrolobium paraense. |
Ano de publicação: |
2014 |
Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 49, n. 4, p. 296-305, abr. 2014. |
Idioma: |
Inglês Português |
Notas: |
Título em português: Diversidade e eficiência na fixação do nitrogênio de rizóbios isolados de nódulos de Centrolobium paraense. |
Conteúdo: |
The objective of this work was to isolate and characterize rhizobia from nodules of Centrolobium paraense and to evaluate their symbiotic efficiency. Soil samples collected from four sites of the Roraima Cerrado, Brazil, were used to cultivate C. paraense in order to obtain nodules. Isolates (178) were obtained from 334 nodules after cultivation on medium 79. Twenty‑five isolates belonging to six morphological groups were authenticated using Vigna unguiculata and they were characterized by 16S rRNA. Isolates identified as Bradyrhizobium were further characterized using rpoB gene sequencing. A greenhouse experiment was carried out with C. paraense to test the 18 authenticated isolates. Approximately 90% of the isolates grew slowly in medium 79. The 16S rRNA analysis showed that 14 authenticated isolates belong to the genus Bradyrhizobium, and rpoB indicated they constitute different groups compared to previously described species. Only four of the 11 fast‑growing isolates nodulated V. unguiculata, two of which belong to Rhizobium, and two to Pleomorphomonas, which was not previously reported as a nodulating genus. The Bradyrhizobium isolates ERR 326, ERR 399, and ERR 435 had the highest symbiotic efficiency on C. paraense and showed a contribution similar to the nitrogen treatment. Centrolobium paraense is able to nodulate with different rhizobium species, some of which have not yet been described. |
Palavras-Chave: |
Biological nitrogen fixation; Diversidade bacteriana; Fixação biológica de nitrogênio. |
Thesagro: |
Rhizobium. |
Thesaurus NAL: |
Bradyrhizobium. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/103682/1/Diversity-and-nitrogen-fixation.pdf
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Marc: |
LEADER 02341naa a2200253 a 4500 001 1988398 005 2017-06-01 008 2014 bl uuuu u00u1 u #d 100 1 $aBARAÚNA, A. C. 245 $aDiversity and nitrogen fixation efficiency of rhizobia isolated from nodules of Centrolobium paraense. 260 $c2014 500 $aTítulo em português: Diversidade e eficiência na fixação do nitrogênio de rizóbios isolados de nódulos de Centrolobium paraense. 520 $aThe objective of this work was to isolate and characterize rhizobia from nodules of Centrolobium paraense and to evaluate their symbiotic efficiency. Soil samples collected from four sites of the Roraima Cerrado, Brazil, were used to cultivate C. paraense in order to obtain nodules. Isolates (178) were obtained from 334 nodules after cultivation on medium 79. Twenty‑five isolates belonging to six morphological groups were authenticated using Vigna unguiculata and they were characterized by 16S rRNA. Isolates identified as Bradyrhizobium were further characterized using rpoB gene sequencing. A greenhouse experiment was carried out with C. paraense to test the 18 authenticated isolates. Approximately 90% of the isolates grew slowly in medium 79. The 16S rRNA analysis showed that 14 authenticated isolates belong to the genus Bradyrhizobium, and rpoB indicated they constitute different groups compared to previously described species. Only four of the 11 fast‑growing isolates nodulated V. unguiculata, two of which belong to Rhizobium, and two to Pleomorphomonas, which was not previously reported as a nodulating genus. The Bradyrhizobium isolates ERR 326, ERR 399, and ERR 435 had the highest symbiotic efficiency on C. paraense and showed a contribution similar to the nitrogen treatment. Centrolobium paraense is able to nodulate with different rhizobium species, some of which have not yet been described. 650 $aBradyrhizobium 650 $aRhizobium 653 $aBiological nitrogen fixation 653 $aDiversidade bacteriana 653 $aFixação biológica de nitrogênio 700 1 $aSILVA, K. da 700 1 $aPEREIRA, G. M. D. 700 1 $aKAMINSKI, P. E. 700 1 $aPERIN, L. 700 1 $aZILLI, J. E. 773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 49, n. 4, p. 296-305, abr. 2014.
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Embrapa Unidades Centrais (AI-SEDE) |
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