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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
22/01/2014 |
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Data da última atualização: |
17/05/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
COSTA, R. V. da; COTA, L. V.; SILVA, D. D. da; PARREIRA, D. F.; CASELA, C. R.; LANDAU, E. C.; FIGUEIREDO, J. E. F. |
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Afiliação: |
RODRIGO VERAS DA COSTA, CNPMS; LUCIANO VIANA COTA, CNPMS; DAGMA DIONISIA DA SILVA, CNPMS; ELENA CHARLOTTE LANDAU, CNPMS; JOSE EDSON FONTES FIGUEIREDO, CNPMS. |
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Título: |
Races of Colletotrichum graminicola pathogenic to maize in Brazil. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Crop Protection, Guildford, v. 56, p. 44-49, 2014. |
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DOI: |
10.1016/j.cropro.2013.10.005 |
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Idioma: |
Inglês |
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Conteúdo: |
Anthracnose caused by the fungus Colletotrichum graminicola (Ces.) Wilson is the most important disease of maize in Brazil, especially in no-tillage without crop rotation. In this system, maize debris from earlier plantings increases the fungal inoculum potential over time. The use of genetic resistance is the most appropriate and advantageous strategy for anthracnose control. However, the effectiveness and durability of this practice depends on knowledge concerning the genetic variability of C. graminicola. In this study fifteen maize genotypes were tested against 190 single spore of C. graminicola collected from infected leaves of maize plants cultivated in seven different Brazilian ecogeographic areas. Five races of C. graminicola were identified, and eleven maize genotypes were susceptible to all isolates. Results indicated that both the number of pathogen isolates and the number of genotypes to be tested are pivotal for an accurate identification of C. graminicola races. This is the first study showing the occurrence of C. graminicola races in Brazil. |
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Thesagro: |
Antracnose; Doença de planta. |
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Thesaurus Nal: |
Anthracnose; Plant diseases and disorders. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01810naa a2200253 a 4500
001 1977111
005 2017-05-17
008 2014 bl uuuu u00u1 u #d
024 7 $a10.1016/j.cropro.2013.10.005$2DOI
100 1 $aCOSTA, R. V. da
245 $aRaces of Colletotrichum graminicola pathogenic to maize in Brazil.$h[electronic resource]
260 $c2014
520 $aAnthracnose caused by the fungus Colletotrichum graminicola (Ces.) Wilson is the most important disease of maize in Brazil, especially in no-tillage without crop rotation. In this system, maize debris from earlier plantings increases the fungal inoculum potential over time. The use of genetic resistance is the most appropriate and advantageous strategy for anthracnose control. However, the effectiveness and durability of this practice depends on knowledge concerning the genetic variability of C. graminicola. In this study fifteen maize genotypes were tested against 190 single spore of C. graminicola collected from infected leaves of maize plants cultivated in seven different Brazilian ecogeographic areas. Five races of C. graminicola were identified, and eleven maize genotypes were susceptible to all isolates. Results indicated that both the number of pathogen isolates and the number of genotypes to be tested are pivotal for an accurate identification of C. graminicola races. This is the first study showing the occurrence of C. graminicola races in Brazil.
650 $aAnthracnose
650 $aPlant diseases and disorders
650 $aAntracnose
650 $aDoença de planta
700 1 $aCOTA, L. V.
700 1 $aSILVA, D. D. da
700 1 $aPARREIRA, D. F.
700 1 $aCASELA, C. R.
700 1 $aLANDAU, E. C.
700 1 $aFIGUEIREDO, J. E. F.
773 $tCrop Protection, Guildford$gv. 56, p. 44-49, 2014.
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Embrapa Milho e Sorgo (CNPMS) |
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Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
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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: |
17/03/2023 |
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Data da última atualização: |
23/10/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
RODRIGUES, G. G.; ZANATTA, J. A.; RACHWAL, M. F. G.; HIGA, R. C. V.; LAVORANTI, O. J.; SILVA, L. D. |
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Afiliação: |
GLEICE GOMES RODRIGUES, ESALQ; JOSILEIA ACORDI ZANATTA, CNPF; MARCOS FERNANDO GLUCK RACHWAL, CNPF; ROSANA CLARA VICTORIA HIGA, CNPF; OSMIR JOSE LAVORANTI, CNPF; LUCIANA DUQUE SILVA, ESALQ. |
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Título: |
Methane and nitrous oxide fluxes from clonal eucalyptus forests in different spacing arrangements. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Forestry: An International Journal of Forest Research, cpad001, 2023. |
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DOI: |
https://doi.org/10.1093/forestry/cpad001 |
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Idioma: |
Inglês |
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Conteúdo: |
Although Eucalyptus is the most commonly cultivated genus in Brazil, more information is needed on how these forests can act as a sink for greenhouse gases. This study assessed the potential greenhouse gas (GHG) mitigation of eucalyptus forests by quantifying both the seasonal rates of exchange of methane (CH4) and nitrous oxide (N2O) gases at the soil?atmosphere interface and their relationships with soil variables (moisture, temperature and physicochemical attributes). Soil organic carbon sequestration rate was used together with soil GHG emission to estimate net global warming potential. This study was conducted at an experimental forestry station in the south-central region of the state of São Paulo, Brazil. No differences were found between treatments in the seasonal fluxes of N2O and CH4, which may have resulted from similar soil properties, particularly bulk density and nitrate (NO3?) contents. CH4 flux dynamics were mainly controlled by the concentrations of ammonium (NH4+) in the soil. In all treatments, the soil acted as a continuous sink for CH4, absorbing it at an average rate of ?65 ?g C m?2 h?1, which was higher than the results of other studies conducted in native areas of the Cerrado biome and planted forests. However, although CH4 removal helped offset greenhouse gas emissions, net emissions were seen in most treatments due to N2O emissions in greater magnitude and soil carbon losses. |
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Palavras-Chave: |
Greenhouse gas; Mitigação; Mitigation. |
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Thesagro: |
Carbono; Floresta. |
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Thesaurus NAL: |
Carbon; Eucalyptus; Forests. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 02271naa a2200289 a 4500
001 2152479
005 2023-10-23
008 2023 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1093/forestry/cpad001$2DOI
100 1 $aRODRIGUES, G. G.
245 $aMethane and nitrous oxide fluxes from clonal eucalyptus forests in different spacing arrangements.$h[electronic resource]
260 $c2023
520 $aAlthough Eucalyptus is the most commonly cultivated genus in Brazil, more information is needed on how these forests can act as a sink for greenhouse gases. This study assessed the potential greenhouse gas (GHG) mitigation of eucalyptus forests by quantifying both the seasonal rates of exchange of methane (CH4) and nitrous oxide (N2O) gases at the soil?atmosphere interface and their relationships with soil variables (moisture, temperature and physicochemical attributes). Soil organic carbon sequestration rate was used together with soil GHG emission to estimate net global warming potential. This study was conducted at an experimental forestry station in the south-central region of the state of São Paulo, Brazil. No differences were found between treatments in the seasonal fluxes of N2O and CH4, which may have resulted from similar soil properties, particularly bulk density and nitrate (NO3?) contents. CH4 flux dynamics were mainly controlled by the concentrations of ammonium (NH4+) in the soil. In all treatments, the soil acted as a continuous sink for CH4, absorbing it at an average rate of ?65 ?g C m?2 h?1, which was higher than the results of other studies conducted in native areas of the Cerrado biome and planted forests. However, although CH4 removal helped offset greenhouse gas emissions, net emissions were seen in most treatments due to N2O emissions in greater magnitude and soil carbon losses.
650 $aCarbon
650 $aEucalyptus
650 $aForests
650 $aCarbono
650 $aFloresta
653 $aGreenhouse gas
653 $aMitigação
653 $aMitigation
700 1 $aZANATTA, J. A.
700 1 $aRACHWAL, M. F. G.
700 1 $aHIGA, R. C. V.
700 1 $aLAVORANTI, O. J.
700 1 $aSILVA, L. D.
773 $tForestry: An International Journal of Forest Research, cpad001, 2023.
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Embrapa Florestas (CNPF) |
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