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Registro Completo |
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
14/08/2017 |
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Data da última atualização: |
08/01/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SOUSA, A. D. de; PEDROSA, E. M. R.; ULISSES, C.; CASTRO, J. M. da C. e; RIBEIRO, J. M. |
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Afiliação: |
ALAIN DENIS DE SOUSA, UFRPE; ELVIRA MARIA RÉGIS PEDROSA, UFRPE; CLÁUDIA ULISSES, UFRPE; JOSE MAURO DA CUNHA E CASTRO, CPATSA; JULIANA MARTINS RIBEIRO, CPATSA. |
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Título: |
Penetration, development, and reproduction of Meloidogyne enterolobii on Psidium species and induced cellular responses in the roots. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Revista Brasileira de Fruticultura, Jaboticabal, v. 39, n. 2, p. 1-10, 2017. |
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DOI: |
10.1590/0100-29452017453 |
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Idioma: |
Inglês |
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Conteúdo: |
Meloidogyne enterolobii has severely compromised the main guava producing regions in Brazil, thereby stimulating the development of resistant varieties for efficient management of this nematode. This study aimed to assess the penetration, development, reproduction, and induced cellular responses of M. enterolobii in roots of four species of the genus Psidium (P. guajava ?Paluma?, P. guineense, P. cattleyanum, and P. friedrichstalianum) from the Active Germplasm Bank (BAG) of the Center for Agricultural Research of the Semi-arid Tropics (Embrapa Semi-arid) located in Petrolina, PE, Brazil. Three experiments were carried out to assess the penetration, development, and reproduction of the nematode and, subsequently, histological analyses were performed. Nematode penetrated indistinctly in both resistant and susceptible species, but only in ?Paluma? an evolution was observed from vermiform juveniles to ?sausage? and globose forms in experiment 1. In experiment 2, all species presented ?sausage? forms of nematode, but only in ?Paluma?, these forms reached adult female stages. In experiment 3, only ?Paluma? was susceptible to M. enterolobii, with reproduction factor above unity. Histological analyses showed that, except for P. guajava, the other Psidium species presented poorly developed feeding sites at 20 days after inoculation. |
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Palavras-Chave: |
Goiabeira; Guava; Guava root-knot nematode; Nematoide das galhas; Plant disease; Psidium friedrichstalianum. |
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Thesagro: |
Doença; Goiaba; Nematóide; Psidium Guajava. |
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Thesaurus Nal: |
Psidium cattleyanum; Psidium guineense. |
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Categoria do assunto: |
H Saúde e Patologia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/162684/1/Juliana-2017.pdf
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Marc: |
LEADER 02356naa a2200325 a 4500
001 2074009
005 2018-01-08
008 2017 bl uuuu u00u1 u #d
024 7 $a10.1590/0100-29452017453$2DOI
100 1 $aSOUSA, A. D. de
245 $aPenetration, development, and reproduction of Meloidogyne enterolobii on Psidium species and induced cellular responses in the roots.$h[electronic resource]
260 $c2017
520 $aMeloidogyne enterolobii has severely compromised the main guava producing regions in Brazil, thereby stimulating the development of resistant varieties for efficient management of this nematode. This study aimed to assess the penetration, development, reproduction, and induced cellular responses of M. enterolobii in roots of four species of the genus Psidium (P. guajava ?Paluma?, P. guineense, P. cattleyanum, and P. friedrichstalianum) from the Active Germplasm Bank (BAG) of the Center for Agricultural Research of the Semi-arid Tropics (Embrapa Semi-arid) located in Petrolina, PE, Brazil. Three experiments were carried out to assess the penetration, development, and reproduction of the nematode and, subsequently, histological analyses were performed. Nematode penetrated indistinctly in both resistant and susceptible species, but only in ?Paluma? an evolution was observed from vermiform juveniles to ?sausage? and globose forms in experiment 1. In experiment 2, all species presented ?sausage? forms of nematode, but only in ?Paluma?, these forms reached adult female stages. In experiment 3, only ?Paluma? was susceptible to M. enterolobii, with reproduction factor above unity. Histological analyses showed that, except for P. guajava, the other Psidium species presented poorly developed feeding sites at 20 days after inoculation.
650 $aPsidium cattleyanum
650 $aPsidium guineense
650 $aDoença
650 $aGoiaba
650 $aNematóide
650 $aPsidium Guajava
653 $aGoiabeira
653 $aGuava
653 $aGuava root-knot nematode
653 $aNematoide das galhas
653 $aPlant disease
653 $aPsidium friedrichstalianum
700 1 $aPEDROSA, E. M. R.
700 1 $aULISSES, C.
700 1 $aCASTRO, J. M. da C. e
700 1 $aRIBEIRO, J. M.
773 $tRevista Brasileira de Fruticultura, Jaboticabal$gv. 39, n. 2, p. 1-10, 2017.
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Registro original: |
Embrapa Semiárido (CPATSA) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pantanal. Para informações adicionais entre em contato com cpap.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
03/08/2000 |
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Data da última atualização: |
31/03/2017 |
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Autoria: |
OLIVEIRA, M. D. de; CALHEIROS, D. F. |
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Afiliação: |
EMBRAPA Pantanal (Corumba, MS). |
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Título: |
Flood pulse influence on phytoplankton communities of the south Pantanal floodplain, Brazil. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
Hydrobiologia, v.427, 101-112, 2000. |
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Idioma: |
Inglês |
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Conteúdo: |
Four sites situated on the Pantanal floodplain (Paraguay River and floodplain) were sampled throught the annual cycle, mainly during the rising water period, with the aim of evaluating the effects of the flood pulse on the composition and population densities of the phytoplanktonic communities. Comprehensive water chemistry data were collected. Eighty-two taxa were found, numerically dominated by Chlorophyceae (23 taxa). Cryptophyceae (principal Cryptomonas brasiliensis) occurred in all samples, and were responsible for 47-58% of the phytoplankton abundance in the studied area. Highest phytoplanktonic population density was at the rising water period, when the limnological changes are most marked as the river water first enters into contact with the floodplain. During this period, when intense decomposition occurs, the Cryptothyceae decreased and the Euglenophyceae increased, except at site 1 (Castelo Lake), where this group were more stable during the year, representing 35-56% of the phytoplankton. In the falling water period (September and October), the phytoplankton was also represented by Bacillariophyceae and Cyanophyceae. In the pantanal, the great abundance and sometimes dominance of Cryptophyceae, may be due largely to adverse conditions for the development of other groups; the former are adapted to low availability of dissolved nutrients, and high water transparency, such conditions prevailing during the high water period. |
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Palavras-Chave: |
Castelo Lake; Lago Castelo; Pantanal floodplain; Phytoplancton; Planicie de inundacao; Rio Paraguai. |
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Thesagro: |
Fitoplâncton. |
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Thesaurus NAL: |
Pantanal; Paraguay River. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02122naa a2200241 a 4500
001 1802464
005 2017-03-31
008 2000 bl --- 0-- u #d
100 1 $aOLIVEIRA, M. D. de
245 $aFlood pulse influence on phytoplankton communities of the south Pantanal floodplain, Brazil.
260 $c2000
520 $aFour sites situated on the Pantanal floodplain (Paraguay River and floodplain) were sampled throught the annual cycle, mainly during the rising water period, with the aim of evaluating the effects of the flood pulse on the composition and population densities of the phytoplanktonic communities. Comprehensive water chemistry data were collected. Eighty-two taxa were found, numerically dominated by Chlorophyceae (23 taxa). Cryptophyceae (principal Cryptomonas brasiliensis) occurred in all samples, and were responsible for 47-58% of the phytoplankton abundance in the studied area. Highest phytoplanktonic population density was at the rising water period, when the limnological changes are most marked as the river water first enters into contact with the floodplain. During this period, when intense decomposition occurs, the Cryptothyceae decreased and the Euglenophyceae increased, except at site 1 (Castelo Lake), where this group were more stable during the year, representing 35-56% of the phytoplankton. In the falling water period (September and October), the phytoplankton was also represented by Bacillariophyceae and Cyanophyceae. In the pantanal, the great abundance and sometimes dominance of Cryptophyceae, may be due largely to adverse conditions for the development of other groups; the former are adapted to low availability of dissolved nutrients, and high water transparency, such conditions prevailing during the high water period.
650 $aPantanal
650 $aParaguay River
650 $aFitoplâncton
653 $aCastelo Lake
653 $aLago Castelo
653 $aPantanal floodplain
653 $aPhytoplancton
653 $aPlanicie de inundacao
653 $aRio Paraguai
700 1 $aCALHEIROS, D. F.
773 $tHydrobiologia$gv.427, 101-112, 2000.
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Registro original: |
Embrapa Pantanal (CPAP) |
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| 1. |  | 1250047, CEPALINDEX; RESUMENES DE DOCUMENTOS CEPAL/ILPES, Comision Economica para America Latina. Centro Latino Americano de Documentacion Economica y Social, Santiago-Chile
Biblioteca(s): Catálogo Coletivo de Periódicos Embrapa; Embrapa Acre; Embrapa Amazônia Oriental; Embrapa Meio-Norte; Embrapa Soja. |   |
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