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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
02/03/2006 |
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Data da última atualização: |
02/03/2006 |
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Autoria: |
BOARD, J.; GODOY, C.; LEE, C. |
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Título: |
Developing a yield loss prediction tool for asian soybean rust. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
In: NATIONAL SOYBEAN RUST SYMPOSIUM, Nashville, 2006. Program. St. Paul: APS, 2005. p. 17. |
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Idioma: |
Inglês |
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Conteúdo: |
The soybean rust pathogen (SBR) is a serious threat to soybean production since its arrival in lhe USA in FalI, 2004. Early rust infestations (near R1) require fungicide application however, the requirement for fungicide application to later infestations has
not been established. Yield losses induced by SBR may be related to the degree of defoliation caused by the fungus. Since soybean becomes more tolerant to defoliation-induced yield loss as it progresses through the seed filling period (R5-R 7),
infection at or subsequent to R5 may not require fungicide application. The objectives of the current research are to: 1. Determine to whether SBR induced yield loss is due to soybean canopy defoliation; and 2. To determine critical leaf area index (LAI) levels
during reproductive development at which fungicide application for SBR is required to prevent yield loss. The ultimate aim is to develop an interactive software tool that would determine SBR induced yield loss potential. The potential yield loss could be
weighed against the cost oft he fungicide application to make sound management decisions. The goals of this research will be achieved by 1. field studies in Brazil to identifying whether SBR induced yield loss is due to defoliation. 2. Studies in Louisiana
and Kentucky to establish critical LAI thresholds for different maturity groups and at different reproductive stages, and 3. use the acquired data to establish a yield loss prediction model for soybean rust. The study is funded by a 3-year grant from the USDA,
Risk Management Agency. MenosThe soybean rust pathogen (SBR) is a serious threat to soybean production since its arrival in lhe USA in FalI, 2004. Early rust infestations (near R1) require fungicide application however, the requirement for fungicide application to later infestations has
not been established. Yield losses induced by SBR may be related to the degree of defoliation caused by the fungus. Since soybean becomes more tolerant to defoliation-induced yield loss as it progresses through the seed filling period (R5-R 7),
infection at or subsequent to R5 may not require fungicide application. The objectives of the current research are to: 1. Determine to whether SBR induced yield loss is due to soybean canopy defoliation; and 2. To determine critical leaf area index (LAI) levels
during reproductive development at which fungicide application for SBR is required to prevent yield loss. The ultimate aim is to develop an interactive software tool that would determine SBR induced yield loss potential. The potential yield loss could be
weighed against the cost oft he fungicide application to make sound management decisions. The goals of this research will be achieved by 1. field studies in Brazil to identifying whether SBR induced yield loss is due to defoliation. 2. Studies in Louisiana
and Kentucky to establish critical LAI thresholds for different maturity groups and at different reproductive stages, and 3. use the acquired data to establish a yield loss prediction model for soybean rust. The study is ... Mostrar Tudo |
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Categoria do assunto: |
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Marc: |
LEADER 01985naa a2200145 a 4500
001 1468956
005 2006-03-02
008 2005 bl --- 0-- u #d
100 1 $aBOARD, J.
245 $aDeveloping a yield loss prediction tool for asian soybean rust.
260 $c2005
520 $aThe soybean rust pathogen (SBR) is a serious threat to soybean production since its arrival in lhe USA in FalI, 2004. Early rust infestations (near R1) require fungicide application however, the requirement for fungicide application to later infestations has not been established. Yield losses induced by SBR may be related to the degree of defoliation caused by the fungus. Since soybean becomes more tolerant to defoliation-induced yield loss as it progresses through the seed filling period (R5-R 7), infection at or subsequent to R5 may not require fungicide application. The objectives of the current research are to: 1. Determine to whether SBR induced yield loss is due to soybean canopy defoliation; and 2. To determine critical leaf area index (LAI) levels during reproductive development at which fungicide application for SBR is required to prevent yield loss. The ultimate aim is to develop an interactive software tool that would determine SBR induced yield loss potential. The potential yield loss could be weighed against the cost oft he fungicide application to make sound management decisions. The goals of this research will be achieved by 1. field studies in Brazil to identifying whether SBR induced yield loss is due to defoliation. 2. Studies in Louisiana and Kentucky to establish critical LAI thresholds for different maturity groups and at different reproductive stages, and 3. use the acquired data to establish a yield loss prediction model for soybean rust. The study is funded by a 3-year grant from the USDA, Risk Management Agency.
700 1 $aGODOY, C.
700 1 $aLEE, C.
773 $tIn: NATIONAL SOYBEAN RUST SYMPOSIUM, Nashville, 2006. Program. St. Paul: APS, 2005. p. 17.
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Registro original: |
Embrapa Soja (CNPSO) |
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Registro Completo
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
08/02/2011 |
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Data da última atualização: |
12/08/2014 |
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Tipo da produção científica: |
Documentos |
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Autoria: |
MAIA, C. M. B. de F. |
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Afiliação: |
CLAUDIA MARIA BRANCO DE F MAIA, CNPF. |
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Título: |
Finos de carvão: fonte de carbono estável e condicionador de solos. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Colombo: Embrapa Florestas, 2010. |
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Descrição Física: |
1 CD-ROM. |
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Série: |
(Embrapa Florestas. Documentos, 200). |
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Idioma: |
Português |
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Conteúdo: |
Biocarvão, ou biochar em inglês, vem sendo considerado uma importante estratégia de estoque de carbono, em uma de suas formas mais estáveis, nos solos. Ações de pesquisa para definir tecnologias de uso, seguras e sustentáveis, deste material não param de crescer no país e no resto do mundo. Por ter sua inspiração nas Terras Pretas de Índios da Amazônia e sendo o Brazil o maior produtor mundial de carvão, o biocarvão deixa o país em uma posição confortável para atingir tais objetivos. Este documento relata os primeiros resultados de ações de pesquisa que visam entender a dinâmica do carbono do solo sob plantio de milho, em parcelas com e sem biocarvão, ao longo do tempo, fruto de uma parceria entre a Embrapa e Rothamsted Research, no Reino Unido. |
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Palavras-Chave: |
Condicionador. |
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Thesagro: |
Carbono; Carvão; Nutrição; Solo. |
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Categoria do assunto: |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/30431/1/Doc200.pdf
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Marc: |
LEADER 01295nam a2200193 a 4500
001 1876272
005 2014-08-12
008 2010 bl uuuu u0uu1 u #d
100 1 $aMAIA, C. M. B. de F.
245 $aFinos de carvão$bfonte de carbono estável e condicionador de solos.
260 $aColombo: Embrapa Florestas$c2010
300 $c1 CD-ROM.
490 $a(Embrapa Florestas. Documentos, 200).
520 $aBiocarvão, ou biochar em inglês, vem sendo considerado uma importante estratégia de estoque de carbono, em uma de suas formas mais estáveis, nos solos. Ações de pesquisa para definir tecnologias de uso, seguras e sustentáveis, deste material não param de crescer no país e no resto do mundo. Por ter sua inspiração nas Terras Pretas de Índios da Amazônia e sendo o Brazil o maior produtor mundial de carvão, o biocarvão deixa o país em uma posição confortável para atingir tais objetivos. Este documento relata os primeiros resultados de ações de pesquisa que visam entender a dinâmica do carbono do solo sob plantio de milho, em parcelas com e sem biocarvão, ao longo do tempo, fruto de uma parceria entre a Embrapa e Rothamsted Research, no Reino Unido.
650 $aCarbono
650 $aCarvão
650 $aNutrição
650 $aSolo
653 $aCondicionador
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