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 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
14/04/2015 |
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Data da última atualização: |
28/04/2015 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FERREIRA FILHO, P. J.; WILCKEN, C. F.; LIMA, A. C. V.; SA, L. A. N. de; CARMO, J. B.; ZANUNCIO, J. C. |
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Afiliação: |
PEDRO JOSE FERREIRA FILHO, UFSCar; CARLOS FREDERICO WILCKEN, FCA-UNESP; ALEXANDRE COUTINHO VIANNA LIMA, FCA-UNESP; LUIZ ALEXANDRE NOGUEIRA DE SA, CNPMA; JANAINA BRAGA DO CARMO, UFSCar; JOSE COLA ZANUNCIO, UFV. |
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Título: |
Biological control of Glycaspis brimblecombei (Hemiptera: Aphalaridae) in eucalyptus plantations. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Phytoparasitica, v. 43, n. 2, p. 151-157, 2015. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The genus Eucalyptus, native to Australia, is the host of psylloid insects such as the red gum lerp psyllid Glycaspis brimblecombei, a major Eucalyptus pest introduced into Brazil among other countries. The encyrtid Psyllaephagus bliteus is a primary parasitoid used in the biological control of G. brimblecombei. This study aimed to determine the parasitism of G. brimblecombei by P. bliteus released in eucalyptusplantations. Investigations were carried out in a 19-ha eucalyptus plantation comprised of 9-year-old Eucalyptus camaldulensis (Myrtaceae) in the municipality of Luiz Antônio, São Paulo State, Brazil. Twenty P. bliteus pairs were released at five points in the study area between May and September 2006 and 2007 approximately every 20 days. For evaluation of parasitism,ten leaves per twig were randomly selected and unparasitizednymphs of G. brimblecombei, mummies (parasitized nymphs of G. brimblecombei) and empty mummies (after emergence of P. bliteus adults) were counted on their abaxial and adaxial parts before and after each release of P. bliteus. The parasitism rates of G. brimblecombei in 2006 and 2007 were 0.21-5.92% and 0.28-7.03% in the control; these values rose to 28.28-78.57% and 30.32-79.34%, respectively, in areas involved in parasitoid release. Parasitism levels of G. brimblecombei nymphs in areas with P. bliteus release were affected by the environmental temperature, which is discussed as a potential limitation to the establishment of this parasitoid and to its effectiveness as a biological control agent. MenosAbstract: The genus Eucalyptus, native to Australia, is the host of psylloid insects such as the red gum lerp psyllid Glycaspis brimblecombei, a major Eucalyptus pest introduced into Brazil among other countries. The encyrtid Psyllaephagus bliteus is a primary parasitoid used in the biological control of G. brimblecombei. This study aimed to determine the parasitism of G. brimblecombei by P. bliteus released in eucalyptusplantations. Investigations were carried out in a 19-ha eucalyptus plantation comprised of 9-year-old Eucalyptus camaldulensis (Myrtaceae) in the municipality of Luiz Antônio, São Paulo State, Brazil. Twenty P. bliteus pairs were released at five points in the study area between May and September 2006 and 2007 approximately every 20 days. For evaluation of parasitism,ten leaves per twig were randomly selected and unparasitizednymphs of G. brimblecombei, mummies (parasitized nymphs of G. brimblecombei) and empty mummies (after emergence of P. bliteus adults) were counted on their abaxial and adaxial parts before and after each release of P. bliteus. The parasitism rates of G. brimblecombei in 2006 and 2007 were 0.21-5.92% and 0.28-7.03% in the control; these values rose to 28.28-78.57% and 30.32-79.34%, respectively, in areas involved in parasitoid release. Parasitism levels of G. brimblecombei nymphs in areas with P. bliteus release were affected by the environmental temperature, which is discussed as a potential limitation to the establishment of this paras... Mostrar Tudo |
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Palavras-Chave: |
Red gumlerp psyllid. |
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Thesagro: |
Controle biológico; Eucalipto; Praga de planta. |
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Thesaurus Nal: |
Biological control; Eucalyptus; Forest pests; Glycaspis brimblecombei; Natural enemies; Pest monitoring. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02441naa a2200301 a 4500
001 2013441
005 2015-04-28
008 2015 bl uuuu u00u1 u #d
100 1 $aFERREIRA FILHO, P. J.
245 $aBiological control of Glycaspis brimblecombei (Hemiptera$bAphalaridae) in eucalyptus plantations.$h[electronic resource]
260 $c2015
520 $aAbstract: The genus Eucalyptus, native to Australia, is the host of psylloid insects such as the red gum lerp psyllid Glycaspis brimblecombei, a major Eucalyptus pest introduced into Brazil among other countries. The encyrtid Psyllaephagus bliteus is a primary parasitoid used in the biological control of G. brimblecombei. This study aimed to determine the parasitism of G. brimblecombei by P. bliteus released in eucalyptusplantations. Investigations were carried out in a 19-ha eucalyptus plantation comprised of 9-year-old Eucalyptus camaldulensis (Myrtaceae) in the municipality of Luiz Antônio, São Paulo State, Brazil. Twenty P. bliteus pairs were released at five points in the study area between May and September 2006 and 2007 approximately every 20 days. For evaluation of parasitism,ten leaves per twig were randomly selected and unparasitizednymphs of G. brimblecombei, mummies (parasitized nymphs of G. brimblecombei) and empty mummies (after emergence of P. bliteus adults) were counted on their abaxial and adaxial parts before and after each release of P. bliteus. The parasitism rates of G. brimblecombei in 2006 and 2007 were 0.21-5.92% and 0.28-7.03% in the control; these values rose to 28.28-78.57% and 30.32-79.34%, respectively, in areas involved in parasitoid release. Parasitism levels of G. brimblecombei nymphs in areas with P. bliteus release were affected by the environmental temperature, which is discussed as a potential limitation to the establishment of this parasitoid and to its effectiveness as a biological control agent.
650 $aBiological control
650 $aEucalyptus
650 $aForest pests
650 $aGlycaspis brimblecombei
650 $aNatural enemies
650 $aPest monitoring
650 $aControle biológico
650 $aEucalipto
650 $aPraga de planta
653 $aRed gumlerp psyllid
700 1 $aWILCKEN, C. F.
700 1 $aLIMA, A. C. V.
700 1 $aSA, L. A. N. de
700 1 $aCARMO, J. B.
700 1 $aZANUNCIO, J. C.
773 $tPhytoparasitica$gv. 43, n. 2, p. 151-157, 2015.
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Embrapa Meio Ambiente (CNPMA) |
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Registro Completo
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Biblioteca(s): |
Embrapa Cerrados; Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
10/01/2023 |
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Data da última atualização: |
24/03/2023 |
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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: |
SILVA, T. R.; RODRIGUES, S. B.; BRINGEL, J. B. A.; SAMPAIO, A. B.; SANO, E. E.; VIEIRA, D. L. M. |
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Afiliação: |
TAMILIS ROCHA SILVA; SILVIA BARBOSA RODRIGUES; JOAO BERNARDO DE AZEVEDO BRINGEL; ALEXANDRE BONESSO SAMPAIO; EDSON EYJI SANO, CPAC; DANIEL LUIS MASCIA VIEIRA, Cenargen. |
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Título: |
Factors affecting savanna and forest regeneration in pastures across the cerrado. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Journal of Environmental Management, v. 330, 2023. |
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Páginas: |
11 p. |
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DOI: |
https://doi.org/10.1016/j.jenvman.2022.117185 |
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Idioma: |
Inglês |
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Conteúdo: |
The Cerrado region comprises the world?s most biodiverse savanna and the largest cultivated pastures for cattle
in Brazil. Forty percent of these pastures are unproductive or degraded, with bare soil and native vegetation
increasingly replacing exotic forage grasses. This study sought to investigate the regeneration of native vege-
tation in the pastures of the Cerrado and to evaluate the contribution of biophysical, land management, and
landscape attributes to this process. Across the Cerrado, we analyzed pasture plant communities and the attri-
butes of pasture management intensification, fire events, landscape native vegetation cover, and climate and soil
types of 93 active pastures and 15 abandoned pastures. For the abandoned pastures, time since abandonment was
an additional variable. On actively cultivated pastures, savanna regeneration varied from 0 to 70%, with a di-
versity of herbs and woody species. Pasture management was the main predictor of savanna regeneration on
cultivated pastures. On abandoned pastures, time since abandonment was the main predictor. Exotic grass cover
had a strong negative relationship with savanna regeneration and they were present even in pastures abandoned
for 44 years. Our study reveals the potential of natural regeneration of the Cerrado and its particular predictors.
The occurrence of pastures with high natural regeneration indicates that national policies can promote native
vegetation restoration and silvopastoral systems with predictable, low cost implementation. MenosThe Cerrado region comprises the world?s most biodiverse savanna and the largest cultivated pastures for cattle
in Brazil. Forty percent of these pastures are unproductive or degraded, with bare soil and native vegetation
increasingly replacing exotic forage grasses. This study sought to investigate the regeneration of native vege-
tation in the pastures of the Cerrado and to evaluate the contribution of biophysical, land management, and
landscape attributes to this process. Across the Cerrado, we analyzed pasture plant communities and the attri-
butes of pasture management intensification, fire events, landscape native vegetation cover, and climate and soil
types of 93 active pastures and 15 abandoned pastures. For the abandoned pastures, time since abandonment was
an additional variable. On actively cultivated pastures, savanna regeneration varied from 0 to 70%, with a di-
versity of herbs and woody species. Pasture management was the main predictor of savanna regeneration on
cultivated pastures. On abandoned pastures, time since abandonment was the main predictor. Exotic grass cover
had a strong negative relationship with savanna regeneration and they were present even in pastures abandoned
for 44 years. Our study reveals the potential of natural regeneration of the Cerrado and its particular predictors.
The occurrence of pastures with high natural regeneration indicates that national policies can promote native
vegetation restoration and silvopastoral systems with p... Mostrar Tudo |
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Palavras-Chave: |
Regeneração ambiental. |
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Thesagro: |
Biodiversidade; Cerrado; Degradação Ambiental; Regeneração Natural. |
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Thesaurus NAL: |
Natural regeneration. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02369naa a2200277 a 4500
001 2150850
005 2023-03-24
008 2023 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.jenvman.2022.117185$2DOI
100 1 $aSILVA, T. R.
245 $aFactors affecting savanna and forest regeneration in pastures across the cerrado.$h[electronic resource]
260 $c2023
300 $a11 p.
520 $aThe Cerrado region comprises the world?s most biodiverse savanna and the largest cultivated pastures for cattle in Brazil. Forty percent of these pastures are unproductive or degraded, with bare soil and native vegetation increasingly replacing exotic forage grasses. This study sought to investigate the regeneration of native vege- tation in the pastures of the Cerrado and to evaluate the contribution of biophysical, land management, and landscape attributes to this process. Across the Cerrado, we analyzed pasture plant communities and the attri- butes of pasture management intensification, fire events, landscape native vegetation cover, and climate and soil types of 93 active pastures and 15 abandoned pastures. For the abandoned pastures, time since abandonment was an additional variable. On actively cultivated pastures, savanna regeneration varied from 0 to 70%, with a di- versity of herbs and woody species. Pasture management was the main predictor of savanna regeneration on cultivated pastures. On abandoned pastures, time since abandonment was the main predictor. Exotic grass cover had a strong negative relationship with savanna regeneration and they were present even in pastures abandoned for 44 years. Our study reveals the potential of natural regeneration of the Cerrado and its particular predictors. The occurrence of pastures with high natural regeneration indicates that national policies can promote native vegetation restoration and silvopastoral systems with predictable, low cost implementation.
650 $aNatural regeneration
650 $aBiodiversidade
650 $aCerrado
650 $aDegradação Ambiental
650 $aRegeneração Natural
653 $aRegeneração ambiental
700 1 $aRODRIGUES, S. B.
700 1 $aBRINGEL, J. B. A.
700 1 $aSAMPAIO, A. B.
700 1 $aSANO, E. E.
700 1 $aVIEIRA, D. L. M.
773 $tJournal of Environmental Management$gv. 330, 2023.
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