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41. | | SILVA, A. G. da; BOIÇA JUNIOR, A. L.; FARIAS, P. R. S.; BARBOSA, J. C. Infestação da mosca-negra-dos-citros em pomares de citros, em sistemas de plantio convencional e agroflorestal. Revista Brasileira de Fruticultura, Jaboticabal, v. 33, n. 1, p. 053-060, mar. 2011. Também disponível em:. Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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42. | | JANINI, J. C.; MICHELOTTO, M. D.; GODOY, I. J.; FAVERO, A. P.; BOIÇA JUNIOR, A. L. Infestação e sintomas de Enneothrips flavens em espécies silvestres, anfidiplóides e cultivares de amendoim. In: ENCRONTRO SOBRE A CULTURA DO AMENDOIM, 8., 2011, Jaboticabal. Anais... Jaboticabal: UNESP, 2011. 2 p. Biblioteca(s): Embrapa Pecuária Sudeste. |
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57. | | SANTOS, T. M. dos; FIGUEIRA, L. K.; BOICA JUNIOR, A. L.; LARA, F. M.; CRUZ, I. Aspectos biológicos de Cycloneda sanguinea (L., 1763) (Col.: Coccinellidae) alimentada com Schizaphis graminum (Rondani, 1852) (Hem;: Aphididae) criado em genótipos de sorgo. In: SIMPÓSIO DE CONTROLE BIOLÓGICO, 7., 2001, Poços de Caldas. Livro de resumos... [S.l.]: Sociedade Entomologica do Brasil, 2001. p. 29. Biblioteca(s): Embrapa Milho e Sorgo. |
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Registros recuperados : 85 | |
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Registro Completo
Biblioteca(s): |
Embrapa Cerrados; Embrapa Soja. |
Data corrente: |
07/02/2017 |
Data da última atualização: |
26/07/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
SOUZA, R. C.; MENDES, I. C.; REIS-JUNIOR, F. B.; CARVALHO, F. M.; NOGUEIRA, M. A.; VASCONCELOS, A. T. R.; VICENTE, V. A.; HUNGRIA, M. |
Afiliação: |
MARCO ANTONIO NOGUEIRA, CNPSO; MARIANGELA HUNGRIA DA CUNHA, CNPSO. |
Título: |
Shifts in taxonomic and functional microbial diversity with agriculture: How fragile is the Brazilian Cerrado? |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
BMC Microbiology, [S. l.], v. 16, n. 42, 2016. 15 p. |
Idioma: |
Inglês Português |
Conteúdo: |
Abstract: Background: The Cerrado ? an edaphic type of savannah ? comprises the second largest biome of the Brazilian territory and is the main area for grain production in the country, but information about the impact of land conversion to agriculture on microbial diversity is still scarce. We used a shotgun metagenomic approach to compare undisturbed (native) soil and soils cropped for 23 years with soybean/maize under conservation tillage ? ?no-till? (NT) ? and conventional tillage (CT) systems in the Cerrado biome. Results: Soil management and fertilizer inputs with the introduction of agriculture improved chemical properties, but decreased soil macroporosity and microbial biomass of carbon and nitrogen. Principal coordinates analyses confirmed different taxonomic and functional profiles for each treatment. There was predominance of the Bacteria domain, especially the phylum Proteobacteria, with higher numbers of sequences in the NT and CT treatments; Archaea and Viruses also had lower numbers of sequences in the undisturbed soil. Within the Alphaproteobacteria, there was dominance of Rhizobiales and of the genus Bradyrhizobium in the NT and CT systems, attributed to massive inoculation of soybean, and also of Burkholderiales. In contrast, Rhizobium, Azospirillum, Xanthomonas, Pseudomonas and Acidobacterium predominated in the native Cerrado. More Eukaryota, especially of the phylum Ascomycota were detected in the NT. The functional analysis revealed lower numbers of sequences in the five dominant categories for the CT system, whereas the undisturbed Cerrado presented higher abundance. Conclusion: High impact of agriculture in taxonomic and functional microbial diversity in the biome Cerrado was confirmed. Functional diversity was not necessarily associated with taxonomic diversity, as the less conservationist treatment (CT) presented increased taxonomic sequences and reduced functional profiles, indicating a strategy to try to maintain soil functioning by favoring taxa that are probably not the most efficient for some functions. Our results highlight that underneath the rustic appearance of the Cerrado vegetation there is a fragile soil microbial community. MenosAbstract: Background: The Cerrado ? an edaphic type of savannah ? comprises the second largest biome of the Brazilian territory and is the main area for grain production in the country, but information about the impact of land conversion to agriculture on microbial diversity is still scarce. We used a shotgun metagenomic approach to compare undisturbed (native) soil and soils cropped for 23 years with soybean/maize under conservation tillage ? ?no-till? (NT) ? and conventional tillage (CT) systems in the Cerrado biome. Results: Soil management and fertilizer inputs with the introduction of agriculture improved chemical properties, but decreased soil macroporosity and microbial biomass of carbon and nitrogen. Principal coordinates analyses confirmed different taxonomic and functional profiles for each treatment. There was predominance of the Bacteria domain, especially the phylum Proteobacteria, with higher numbers of sequences in the NT and CT treatments; Archaea and Viruses also had lower numbers of sequences in the undisturbed soil. Within the Alphaproteobacteria, there was dominance of Rhizobiales and of the genus Bradyrhizobium in the NT and CT systems, attributed to massive inoculation of soybean, and also of Burkholderiales. In contrast, Rhizobium, Azospirillum, Xanthomonas, Pseudomonas and Acidobacterium predominated in the native Cerrado. More Eukaryota, especially of the phylum Ascomycota were detected in the NT. The functional analysis revealed lower numbers of seq... Mostrar Tudo |
Palavras-Chave: |
Biodiversidade funcional; Metagenoma shotgun; Microbioma do solo; Seuqenciamento shotgun. |
Thesagro: |
Cerrado; Manejo do Solo; Microbiologia do Solo; Plantio Direto; Solo. |
Thesaurus NAL: |
Microbiome. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra S Ciências Biológicas |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/155220/1/Souza-BMC.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/154849/1/Souza-et-al-2016-Shifts-in-diversity.pdf
|
Marc: |
LEADER 03156naa a2200325 a 4500 001 2063376 005 2017-07-26 008 2016 bl uuuu u00u1 u #d 100 1 $aSOUZA, R. C. 245 $aShifts in taxonomic and functional microbial diversity with agriculture$bHow fragile is the Brazilian Cerrado?$h[electronic resource] 260 $c2016 520 $aAbstract: Background: The Cerrado ? an edaphic type of savannah ? comprises the second largest biome of the Brazilian territory and is the main area for grain production in the country, but information about the impact of land conversion to agriculture on microbial diversity is still scarce. We used a shotgun metagenomic approach to compare undisturbed (native) soil and soils cropped for 23 years with soybean/maize under conservation tillage ? ?no-till? (NT) ? and conventional tillage (CT) systems in the Cerrado biome. Results: Soil management and fertilizer inputs with the introduction of agriculture improved chemical properties, but decreased soil macroporosity and microbial biomass of carbon and nitrogen. Principal coordinates analyses confirmed different taxonomic and functional profiles for each treatment. There was predominance of the Bacteria domain, especially the phylum Proteobacteria, with higher numbers of sequences in the NT and CT treatments; Archaea and Viruses also had lower numbers of sequences in the undisturbed soil. Within the Alphaproteobacteria, there was dominance of Rhizobiales and of the genus Bradyrhizobium in the NT and CT systems, attributed to massive inoculation of soybean, and also of Burkholderiales. In contrast, Rhizobium, Azospirillum, Xanthomonas, Pseudomonas and Acidobacterium predominated in the native Cerrado. More Eukaryota, especially of the phylum Ascomycota were detected in the NT. The functional analysis revealed lower numbers of sequences in the five dominant categories for the CT system, whereas the undisturbed Cerrado presented higher abundance. Conclusion: High impact of agriculture in taxonomic and functional microbial diversity in the biome Cerrado was confirmed. Functional diversity was not necessarily associated with taxonomic diversity, as the less conservationist treatment (CT) presented increased taxonomic sequences and reduced functional profiles, indicating a strategy to try to maintain soil functioning by favoring taxa that are probably not the most efficient for some functions. Our results highlight that underneath the rustic appearance of the Cerrado vegetation there is a fragile soil microbial community. 650 $aMicrobiome 650 $aCerrado 650 $aManejo do Solo 650 $aMicrobiologia do Solo 650 $aPlantio Direto 650 $aSolo 653 $aBiodiversidade funcional 653 $aMetagenoma shotgun 653 $aMicrobioma do solo 653 $aSeuqenciamento shotgun 700 1 $aMENDES, I. C. 700 1 $aREIS-JUNIOR, F. B. 700 1 $aCARVALHO, F. M. 700 1 $aNOGUEIRA, M. A. 700 1 $aVASCONCELOS, A. T. R. 700 1 $aVICENTE, V. A. 700 1 $aHUNGRIA, M. 773 $tBMC Microbiology, [S. l.]$gv. 16, n. 42, 2016. 15 p.
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