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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
22/02/2006 |
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Data da última atualização: |
03/07/2008 |
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Autoria: |
SILVA, S. D. dos A. e; SERENO, M. J. C. de M.; SILVA, C. F. L. e; OLIVEIRA, A. C. de; BARBOSA NETO, J. F. |
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Título: |
Genetic parameters and QTL for tolerance of flooded soils in maize. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, Viçosa, MG, v. 5, n. 3, p. 287-293, Sept. 2005. |
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Idioma: |
Inglês |
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Conteúdo: |
Flooding tolerance is important for maize in southern Brazil. Polypeptides involved in glycolysis and fermentation are generally tolerance-related. Objective of this work was to associate markers for tolerance to flooding in maize. One hundred and seventeen F3 families were phenotyped for shoot (SDM) and root (RDM) dry matter and 74 were selectively genotyped with 44 microsatellite markers. A single marker analysis was performed to detect QTL. Analysis of variance indicated the presence of significant genetic variability for both traits. Three markers were associated to SDM and two to RDM. For SDM the loci involved were glutamine synthelase (chromosome 5, R2=0.16), zein (chromosome 4, R2=0.15), and triosephosphate isomerase (chromosome 3, R2=0.14). For RDM, zein (chromosome 4, R2=0.11) and triosephosphate isomerase (chromosome 3, R2=0.11) were associated. Multiple loci analysis indicated R2=0.32 for SDM and R2=0.19 for RDM, indicating that a fraction of the genetic variation present in F2 was explained by the analyzed markers.. |
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Palavras-Chave: |
Herdabilidade; Herdability; Microsatélite. |
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Thesagro: |
Milho; Zea Mays. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01711naa a2200229 a 4500
001 1213875
005 2008-07-03
008 2005 bl uuuu u00u1 u #d
100 1 $aSILVA, S. D. dos A. e
245 $aGenetic parameters and QTL for tolerance of flooded soils in maize.
260 $c2005
520 $aFlooding tolerance is important for maize in southern Brazil. Polypeptides involved in glycolysis and fermentation are generally tolerance-related. Objective of this work was to associate markers for tolerance to flooding in maize. One hundred and seventeen F3 families were phenotyped for shoot (SDM) and root (RDM) dry matter and 74 were selectively genotyped with 44 microsatellite markers. A single marker analysis was performed to detect QTL. Analysis of variance indicated the presence of significant genetic variability for both traits. Three markers were associated to SDM and two to RDM. For SDM the loci involved were glutamine synthelase (chromosome 5, R2=0.16), zein (chromosome 4, R2=0.15), and triosephosphate isomerase (chromosome 3, R2=0.14). For RDM, zein (chromosome 4, R2=0.11) and triosephosphate isomerase (chromosome 3, R2=0.11) were associated. Multiple loci analysis indicated R2=0.32 for SDM and R2=0.19 for RDM, indicating that a fraction of the genetic variation present in F2 was explained by the analyzed markers..
650 $aMilho
650 $aZea Mays
653 $aHerdabilidade
653 $aHerdability
653 $aMicrosatélite
700 1 $aSERENO, M. J. C. de M.
700 1 $aSILVA, C. F. L. e
700 1 $aOLIVEIRA, A. C. de
700 1 $aBARBOSA NETO, J. F.
773 $tCrop Breeding and Applied Biotechnology, Viçosa, MG$gv. 5, n. 3, p. 287-293, Sept. 2005.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
22/09/2008 |
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Data da última atualização: |
22/09/2008 |
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Autoria: |
BISPO, A.; CREAMER, R.; DOMBOS, M.; FUCHS, M.; GRAEFE, U.; SOUSA, J. P.; PERES, G.; ROMBKE, J.; RUTGERS, M.; WINDING, A. |
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Título: |
Monitoring the decline of soil biodiversity in European soils. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: INTERNATIONAL COLLOQUIUM ON SOIL ZOOLOGY, 15; INTERNATIONAL COLLOQUIUM ON APTERYGOTA, 12., 2008, Curitiba. Biodiversity, conservation and sustainabele management of soil animal: abstracts. Colombo: Embrapa Florestas. Editors: George Gardner Brown; Klaus Dieter Sautter; Renato Marques; Amarildo Pasini. 1 CD-ROM. |
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Idioma: |
Inglês |
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Conteúdo: |
The soil biota have important fundamental roles in soil processes and contribute both directly
and indirectly to many important ecosystem functions such as nutrient cycling, soil structure,
decomposition of organic matter. It is essential to understand the importance of species
diversity in soil and their impact upon soil quality and function. The EU project ENVASSO
(Environmental Assessment of Soil for Monitoring) addressed the 8 threats to soil identified
by the Commission (CEC, 2002). The aim of the project was to design and test a single,
integrated and operational set of EU-wide criteria and indicators that will provide a basis for
a harmonised comprehensive soil and land information system for monitoring in Europe. To
identify suitable indicators for monitoring the decline in soil biodiversity, indicators were
selected both from a literature review and an inventory of national monitoring EU programmes.
Within this project decline in soil biodiversity was defined as the reduction of forms of life
living in soils (both in terms of quantity and variety) and of related functions, causing a
deterioration or loss of one or more soil functions. Whereas the literature review allows the
identification of about 100 possible indicators the inventory of existing monitoring networks
shows that few indicators are really measured. For monitoring application it was considered
that only 3 key indicators per soil stress were practical, however this was considered a
difficult task for indicating biodiversity decline due to the complexity of soil biota and multifunctionality
in soils. Therefore stringent criteria were applied to the selection process to
evaluate: 1) methodology standardisation, 2) complementarity to other indicators, and 3)
interpretation at both scientific and policy levels. The key indicators selected were chosen
as representative of 3 functional levels in soil: a) abundance, biomass and species diversity
of Earthworms ? macrofauna, b) abundance and species diversity of Collembola ? mesofauna
and c) microbial respiration. Procedures and protocols were written based upon current ISO
standards and adapted for assessment at a European scale. Pilot sites were then established
in 4 countries (France, Ireland, Portugal and Hungary) to test the ease of measurement of
the selected indicators and their efficiency to indicate the decline in soil biodiversity. The
effectiveness of each indicator and their sensitivity to detect change across a range of landuse
categories at a European scale will be discussed using data from these sites. MenosThe soil biota have important fundamental roles in soil processes and contribute both directly
and indirectly to many important ecosystem functions such as nutrient cycling, soil structure,
decomposition of organic matter. It is essential to understand the importance of species
diversity in soil and their impact upon soil quality and function. The EU project ENVASSO
(Environmental Assessment of Soil for Monitoring) addressed the 8 threats to soil identified
by the Commission (CEC, 2002). The aim of the project was to design and test a single,
integrated and operational set of EU-wide criteria and indicators that will provide a basis for
a harmonised comprehensive soil and land information system for monitoring in Europe. To
identify suitable indicators for monitoring the decline in soil biodiversity, indicators were
selected both from a literature review and an inventory of national monitoring EU programmes.
Within this project decline in soil biodiversity was defined as the reduction of forms of life
living in soils (both in terms of quantity and variety) and of related functions, causing a
deterioration or loss of one or more soil functions. Whereas the literature review allows the
identification of about 100 possible indicators the inventory of existing monitoring networks
shows that few indicators are really measured. For monitoring application it was considered
that only 3 key indicators per soil stress were practical, however this was considered a
difficult task for in... Mostrar Tudo |
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Categoria do assunto: |
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Marc: |
LEADER 03419naa a2200229 a 4500
001 1314890
005 2008-09-22
008 2008 bl uuuu u00u1 u #d
100 1 $aBISPO, A.
245 $aMonitoring the decline of soil biodiversity in European soils.
260 $c2008
520 $aThe soil biota have important fundamental roles in soil processes and contribute both directly and indirectly to many important ecosystem functions such as nutrient cycling, soil structure, decomposition of organic matter. It is essential to understand the importance of species diversity in soil and their impact upon soil quality and function. The EU project ENVASSO (Environmental Assessment of Soil for Monitoring) addressed the 8 threats to soil identified by the Commission (CEC, 2002). The aim of the project was to design and test a single, integrated and operational set of EU-wide criteria and indicators that will provide a basis for a harmonised comprehensive soil and land information system for monitoring in Europe. To identify suitable indicators for monitoring the decline in soil biodiversity, indicators were selected both from a literature review and an inventory of national monitoring EU programmes. Within this project decline in soil biodiversity was defined as the reduction of forms of life living in soils (both in terms of quantity and variety) and of related functions, causing a deterioration or loss of one or more soil functions. Whereas the literature review allows the identification of about 100 possible indicators the inventory of existing monitoring networks shows that few indicators are really measured. For monitoring application it was considered that only 3 key indicators per soil stress were practical, however this was considered a difficult task for indicating biodiversity decline due to the complexity of soil biota and multifunctionality in soils. Therefore stringent criteria were applied to the selection process to evaluate: 1) methodology standardisation, 2) complementarity to other indicators, and 3) interpretation at both scientific and policy levels. The key indicators selected were chosen as representative of 3 functional levels in soil: a) abundance, biomass and species diversity of Earthworms ? macrofauna, b) abundance and species diversity of Collembola ? mesofauna and c) microbial respiration. Procedures and protocols were written based upon current ISO standards and adapted for assessment at a European scale. Pilot sites were then established in 4 countries (France, Ireland, Portugal and Hungary) to test the ease of measurement of the selected indicators and their efficiency to indicate the decline in soil biodiversity. The effectiveness of each indicator and their sensitivity to detect change across a range of landuse categories at a European scale will be discussed using data from these sites.
700 1 $aCREAMER, R.
700 1 $aDOMBOS, M.
700 1 $aFUCHS, M.
700 1 $aGRAEFE, U.
700 1 $aSOUSA, J. P.
700 1 $aPERES, G.
700 1 $aROMBKE, J.
700 1 $aRUTGERS, M.
700 1 $aWINDING, A.
773 $tIn: INTERNATIONAL COLLOQUIUM ON SOIL ZOOLOGY, 15; INTERNATIONAL COLLOQUIUM ON APTERYGOTA, 12., 2008, Curitiba. Biodiversity, conservation and sustainabele management of soil animal: abstracts. Colombo: Embrapa Florestas. Editors: George Gardner Brown; Klaus Dieter Sautter; Renato Marques; Amarildo Pasini. 1 CD-ROM.
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