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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
14/05/2007 |
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Data da última atualização: |
31/08/2015 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
GHINI, R.; MORANDI, M. A. B. |
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Afiliação: |
RAQUEL GHINI, CNPMA; MARCELO AUGUSTO BOECHAT MORANDI, CNPMA. |
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Título: |
Biotic and abiotic factors associated with soil supressiveness to Rhizoctonia solani. |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
Scientia Agricola, Piracicaba, v. 63, n. 2, p. 153-160, mar./abr. 2006. |
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Idioma: |
Inglês |
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Conteúdo: |
Crop management may modify soil characteristics, and as a consequence, alter incidence of diseases caused by soilborne pathogens. This study evaluated the suppressiveness to R. solani in 59 soil samples from a microbasin. Soil sampling areas included undisturbed forest, pasture and fallow ground areas, annual crops, perennial crops, and ploughed soil. The soil samples were characterized according to abiotic variables (pH; electrical conductivity; organic matter content; N total; P; K; Ca; Mg; Al; H; S; Na; Fe; Mn; Cu; Zn; B; cation exchange capacity; sum of bases and base saturation) and biotic variables (total microbial activity evaluated by the CO2 evolution and fluorescein diacetate hydrolysis; culturable bacterial, fungal, actinomycetes, protozoa, fluorescent Pseudomonas and Fusarium spp. communities). The contribution and relationships of these variables to suppression to R. solani were assessed by path analysis. When all samples were analyzed together, only abiotic variables correlated with suppression of R. solani, but the entire set of variables explained only 51% of the total variation. However, when samples were grouped and analyzed by vegetation cover, the set of evaluated variables in all cases accounted for more than 90% of the variation in suppression of the pathogen. In highly suppressive soils of forest and pasture/ fallow ground areas, several abiotic variables and fluorescein diacetate hydrolysis correlated with suppression of R. solani and the set of variables explained more than 98% of suppressiveness. MenosCrop management may modify soil characteristics, and as a consequence, alter incidence of diseases caused by soilborne pathogens. This study evaluated the suppressiveness to R. solani in 59 soil samples from a microbasin. Soil sampling areas included undisturbed forest, pasture and fallow ground areas, annual crops, perennial crops, and ploughed soil. The soil samples were characterized according to abiotic variables (pH; electrical conductivity; organic matter content; N total; P; K; Ca; Mg; Al; H; S; Na; Fe; Mn; Cu; Zn; B; cation exchange capacity; sum of bases and base saturation) and biotic variables (total microbial activity evaluated by the CO2 evolution and fluorescein diacetate hydrolysis; culturable bacterial, fungal, actinomycetes, protozoa, fluorescent Pseudomonas and Fusarium spp. communities). The contribution and relationships of these variables to suppression to R. solani were assessed by path analysis. When all samples were analyzed together, only abiotic variables correlated with suppression of R. solani, but the entire set of variables explained only 51% of the total variation. However, when samples were grouped and analyzed by vegetation cover, the set of evaluated variables in all cases accounted for more than 90% of the variation in suppression of the pathogen. In highly suppressive soils of forest and pasture/ fallow ground areas, several abiotic variables and fluorescein diacetate hydrolysis correlated with suppression of R. solani and the set of varia... Mostrar Tudo |
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Palavras-Chave: |
Correlação; Fatores abióticos; Fatores bióticos; Patógeno de solo; Solo supressivo; Supressividade. |
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Thesagro: |
Controle biológico; Microbiologia do Solo. |
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Thesaurus Nal: |
Rhizoctonia. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/125709/1/2006AP-019.pdf
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Marc: |
LEADER 02277naa a2200241 a 4500
001 1015380
005 2015-08-31
008 2006 bl uuuu u00u1 u #d
100 1 $aGHINI, R.
245 $aBiotic and abiotic factors associated with soil supressiveness to Rhizoctonia solani.$h[electronic resource]
260 $c2006
520 $aCrop management may modify soil characteristics, and as a consequence, alter incidence of diseases caused by soilborne pathogens. This study evaluated the suppressiveness to R. solani in 59 soil samples from a microbasin. Soil sampling areas included undisturbed forest, pasture and fallow ground areas, annual crops, perennial crops, and ploughed soil. The soil samples were characterized according to abiotic variables (pH; electrical conductivity; organic matter content; N total; P; K; Ca; Mg; Al; H; S; Na; Fe; Mn; Cu; Zn; B; cation exchange capacity; sum of bases and base saturation) and biotic variables (total microbial activity evaluated by the CO2 evolution and fluorescein diacetate hydrolysis; culturable bacterial, fungal, actinomycetes, protozoa, fluorescent Pseudomonas and Fusarium spp. communities). The contribution and relationships of these variables to suppression to R. solani were assessed by path analysis. When all samples were analyzed together, only abiotic variables correlated with suppression of R. solani, but the entire set of variables explained only 51% of the total variation. However, when samples were grouped and analyzed by vegetation cover, the set of evaluated variables in all cases accounted for more than 90% of the variation in suppression of the pathogen. In highly suppressive soils of forest and pasture/ fallow ground areas, several abiotic variables and fluorescein diacetate hydrolysis correlated with suppression of R. solani and the set of variables explained more than 98% of suppressiveness.
650 $aRhizoctonia
650 $aControle biológico
650 $aMicrobiologia do Solo
653 $aCorrelação
653 $aFatores abióticos
653 $aFatores bióticos
653 $aPatógeno de solo
653 $aSolo supressivo
653 $aSupressividade
700 1 $aMORANDI, M. A. B.
773 $tScientia Agricola, Piracicaba$gv. 63, n. 2, p. 153-160, mar./abr. 2006.
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Registro original: |
Embrapa Meio Ambiente (CNPMA) |
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| Registros recuperados : 232 | |
| 41. |  | FREITAS-SILVA, O.; SOARES, A. G.; ROZA, J. H. I.; SILVA, A. F. Cuantificación de las pérdidas bióticas en papayo (Carica papaya L.) comercializado en el Estado de Rio de Janeiro, Brasil. In: CONGRESO NACIONAL DE HORTICULTURA, 8.; SEMINARIO REGIONAL DE FRUTILLA, 2001, Salto, Uruguay. Resúmenes. Montevideo: Sociedad Uruguaya de Horticultura; Instituto Nacional de Investigación Agropecuaria, 2001. p. 85.| Tipo: Resumo em Anais de Congresso |
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| 45. | | BOTREL, N.; CARVALHO, V. D. de; OLIVEIRA, E. F.; SOARES, A. G.; CENCI, S. A. Efeito da "mancha-chocolate" nas características físico-químicas e químicas de frutos de abacaxizeiro-´pérola`. Revista Brasileira Fruticultura, Jaboticabal, v.24, n.1, p.77-81, 2002.| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 55. | | ROZA, J. H. I. da; SOARES, A. G.; ROBBS, C. F.; SILVA, A. T. Principais problemas de origem nao patologica na pos-colheita do mamao comercializado no mercado interno, CEASA/RJ-Unidade Grande Rio. Boletim da SBCTA, Campinas, v. 35, n.1/2, p. 54-64, jan./dez. 2001.| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 57. | | ROSA, C. L. S.; FREITAS, D. G. C.; ROCHA, M. C.; SOARES, A. G.; ABBOUD, A. Qualidade de polpas concentradas de tomates 'heirloom' produzidos sob manejo orgânico. In: SIMPÓSIO LATINO AMERICANO DE CIÊNCIA DE ALIMENTOS, 9., 2011, Campinas. Ciência de alimentos e qualidade de vida: saúde, meio ambiente e sustentabilidade: resumos. Campinas: UNICAMP, FEA, 2011. 1 CD-ROM.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 58. | | BARBOZA, H. T. G.; SOARES, A. G.; FERREIRA, J. C. S.; FREITAS-SILVA, O. Filmes e revestimentos comestíveis: conceito, aplicação e uso na pós-colheita de frutas, legumes e vegetais. Research, Society and Development, v. 11, n. 9, e9911931418, 2022. Edible films and coatings: concept, application, and use in post-harvested fruits and vegetables. Películas y recubrimientos comestibles: concepto, aplicación y uso postcosecha de frutas y hortalizas.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 2 |
| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| Registros recuperados : 232 | |
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