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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
18/12/2009 |
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Data da última atualização: |
08/06/2022 |
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Autoria: |
ROUSSEAU, G. X.; RIOUX, S.; DOSTALER, D. |
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Afiliação: |
GUILLAUME X. ROUSSEAU, CPATU; SYLVIE RIOUX, CEROM; DANIEL DOSTALER, UNIVERSITÉ LAVAL. |
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Título: |
Partitioning the spatial and environmental variation of Sclerotinia stem rot on soybean. |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
Soil Biology & Biochemistry, v. 38, n. 12, p. 3343-3358, Dec. 2006. |
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DOI: |
10.1016/j.soilbio.2006.04.052 |
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Idioma: |
Inglês |
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Conteúdo: |
The variance in survival of Sclerotinia sclerotiorum's sclerotia, carpogenic germination (apothecia) as well as Sclerotinia stem rot (SSR) severity (Disease Severity Index (DSI)) on soybean was partitioned among canopy, soil physico-chemistry and microbiology, cultural practices (2 or 3-y-corn rotation/soybean monoculture and mineral fertilization/urban compost), and spatial matrices in two soils. Partial multiple regression was used to partition the individual SSR variables variance while partial canonical redundancy analysis partitioned the DSI?apothecia and apothecia?survival variance. In clay loam, the sclerotial survival and apothecia variance were mainly explained by the spatial structure of soil physico-chemistry while the DSI did not share this spatial structure and was largely explained by the effects of 3-y-corn rotation on canopy and soil, i.e. lower weed biomass, enhanced soybean yield and fewer apothecia were correlated with disease suppressiveness. In sandy loam, the DSI variance was mostly explained by the spatial structure of canopy and physico-chemistry. Disease suppressiveness, by the interaction of 3-y-corn rotation with urban compost, was largely explained by the enhancement of soil properties, i.e. higher aggregate stability, microbial activity and soil solution concentration in exchangeable ions correlated negatively with carpogenic germination. Partitioning the SSR variance among four matrices of spatial and environmental factors allowed for the first time to interpret and quantify the variance of disease development explained by cultural practices in interaction with the main characteristics of this agroecosystem. MenosThe variance in survival of Sclerotinia sclerotiorum's sclerotia, carpogenic germination (apothecia) as well as Sclerotinia stem rot (SSR) severity (Disease Severity Index (DSI)) on soybean was partitioned among canopy, soil physico-chemistry and microbiology, cultural practices (2 or 3-y-corn rotation/soybean monoculture and mineral fertilization/urban compost), and spatial matrices in two soils. Partial multiple regression was used to partition the individual SSR variables variance while partial canonical redundancy analysis partitioned the DSI?apothecia and apothecia?survival variance. In clay loam, the sclerotial survival and apothecia variance were mainly explained by the spatial structure of soil physico-chemistry while the DSI did not share this spatial structure and was largely explained by the effects of 3-y-corn rotation on canopy and soil, i.e. lower weed biomass, enhanced soybean yield and fewer apothecia were correlated with disease suppressiveness. In sandy loam, the DSI variance was mostly explained by the spatial structure of canopy and physico-chemistry. Disease suppressiveness, by the interaction of 3-y-corn rotation with urban compost, was largely explained by the enhancement of soil properties, i.e. higher aggregate stability, microbial activity and soil solution concentration in exchangeable ions correlated negatively with carpogenic germination. Partitioning the SSR variance among four matrices of spatial and environmental factors allowed for the first ... Mostrar Tudo |
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Palavras-Chave: |
Cropping practices; Plant canopy; Soil microbiology; Soybean. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02297naa a2200205 a 4500
001 1578446
005 2022-06-08
008 2006 bl uuuu u00u1 u #d
024 7 $a10.1016/j.soilbio.2006.04.052$2DOI
100 1 $aROUSSEAU, G. X.
245 $aPartitioning the spatial and environmental variation of Sclerotinia stem rot on soybean.$h[electronic resource]
260 $c2006
520 $aThe variance in survival of Sclerotinia sclerotiorum's sclerotia, carpogenic germination (apothecia) as well as Sclerotinia stem rot (SSR) severity (Disease Severity Index (DSI)) on soybean was partitioned among canopy, soil physico-chemistry and microbiology, cultural practices (2 or 3-y-corn rotation/soybean monoculture and mineral fertilization/urban compost), and spatial matrices in two soils. Partial multiple regression was used to partition the individual SSR variables variance while partial canonical redundancy analysis partitioned the DSI?apothecia and apothecia?survival variance. In clay loam, the sclerotial survival and apothecia variance were mainly explained by the spatial structure of soil physico-chemistry while the DSI did not share this spatial structure and was largely explained by the effects of 3-y-corn rotation on canopy and soil, i.e. lower weed biomass, enhanced soybean yield and fewer apothecia were correlated with disease suppressiveness. In sandy loam, the DSI variance was mostly explained by the spatial structure of canopy and physico-chemistry. Disease suppressiveness, by the interaction of 3-y-corn rotation with urban compost, was largely explained by the enhancement of soil properties, i.e. higher aggregate stability, microbial activity and soil solution concentration in exchangeable ions correlated negatively with carpogenic germination. Partitioning the SSR variance among four matrices of spatial and environmental factors allowed for the first time to interpret and quantify the variance of disease development explained by cultural practices in interaction with the main characteristics of this agroecosystem.
653 $aCropping practices
653 $aPlant canopy
653 $aSoil microbiology
653 $aSoybean
700 1 $aRIOUX, S.
700 1 $aDOSTALER, D.
773 $tSoil Biology & Biochemistry$gv. 38, n. 12, p. 3343-3358, Dec. 2006.
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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| Registros recuperados : 7 | |
| 3. |  | COMEAU, A.; LANGEVIN, F.; SCHEEREN, P. L.; DION, Y.; RIOUX, S.; VOLDENG, H.; BLACKWELL, B.; SAVARD, M.; EUDES, F.; CAETANO, V. R. FHB can be defeated by a systemic approach. In: CANADIAN WORKSHOP ON FUSARIUM HEAD BLIGHT, 8.; COLLOQUE CANADIEN SUR LA FUSARIOSE, 8., 2016, Ottawa. Proceedings... Ottawa: Agriculture and Agri-Food Canada, 2016. S-26, p. 33.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado; Embrapa Trigo. |
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| 4. | | COMEAU, A.; LANGEVIN, F.; CAETANO, V. da R.; HEBER, S.; SAVARD, M. E.; VOLDENG, H.; FEDAK, G.; DION, Y.; RIOUX, S.; GILBERT, J.; SOMERS, D.; MARTIN, R. A. A sistemic approach for the development of FHB resistant germplasm accelerates. Cereal research communications, Hungria, v. 36, n. 6, p. 5-9, 2008.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: Internacional - A |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 5. | | CAMEAU, A.; LANGEVIN, F.; CAETANO, V. da R.; HABER, S.; SAVARD, M. E.; VOLDENG, H.; FEDAK, G.; DION, Y.; RIOUX, S.; GILBERT, J.; SOMERS, D.; MARTIN, R. A. A systemic approach for the development of FHB resistant germplasm accelerates genetic progress. Cereal Research Communications, Hungria, v. 36, p. 6-9, 2008.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: Internacional - A |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 6. | | COMEAU, A.; LANGEVIN, F.; SCHEEREN, P. L.; RIOUX, S.; VOLDENG, H.; BLACKWELL, B.; EUDES, F.; CAETANO, V. da R.; DION, Y. A systemic approach to incorporate the highest levels of FHB resistance with agronomic merit and quality in wheat. In: INTERNATIONAL SYMPOSIUM ON FUSARIUM HEAD BLIGHT, 5.; INTERNATIONAL WORKSHOP ON WHEAT BLAST, 2., 2016, Florianópolis. Book of abstracts... Passo Fundo: Ed. Universidade de Passo Fundo: Embrapa Trigo; Viçosa, MG: Universidade Federal de Viçosa, 2016. p. 28, sess. 1, abst. P5. 5th International Symposium on Fusarium Head Blight.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado; Embrapa Trigo. |
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| 7. | | COMEAU, A.; LANGEVIN, F.; CAETANO, V. da R.; HABER, S.; SAVARD, M. E.; VOLDENG, H.; FEDAK, G.; DION, Y.; RIOUX, S.; GILBERT, J.; SOMERS, D.; MARTIN, R. A.; SCHEEREN, P. L. A different path to the summit of fusarium head blight resistance in wheat: developing germplasm with a systemic approach. In: EUROPEAN FUSARIUM SEMINAR 'FUSARIUM - MYCOTOXINS, TAXONOMY, PATHOGENICITY AND HOST RESISTANCE', 11., 2010, Radzików. Book of Abstracts Radzików: IHAR, 2010. p. 75-76| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| Registros recuperados : 7 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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