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Registro Completo |
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Biblioteca(s): |
Embrapa Café. |
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Data corrente: |
11/03/2011 |
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Data da última atualização: |
11/03/2011 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
ALVARENGA GARCIA, A. L.; CAMPOS, V. P.; PADILHA, L. |
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Afiliação: |
FUNDAÇÃO PROCAFÉ; DFP/UFLA; LILIAN PADILHA, SAPC. |
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Título: |
Cultivars evaluation Coffea arabica to the parasitism of Meloidogyne exigua. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONFERENCE ON COFFEE SCIENCE, 22. 2008, Campinas, São Paulo, Brazil. |
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Idioma: |
Inglês |
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Conteúdo: |
Nematodes may cause damages in Brazilians coffee plantations, depending on the species and the type of soil. The Meloidogyne exigua is spread in the coffee regions, especially in older farmings in South of Minas Gerais. Coffe trees in the areas with nematodes have showed reduction in their development and production. It gets worse when the plants are under stress conditions. The use of resistant cultivar is the best way to control the nematode. The aim of this work was to evaluate the behavior of Coffea arabica cultivars when inoculated with M. exigua to identify resistance sources. The tests were carried out at Nematology lab in the UFLA, Lavras, MG, in greenhouse, with randomized block design, four replications and plot with three plants. The reaction of 22 coffee cultivars were evaluated with reference to the M. exigua using Acaiá IAC 474/19 and IAPAR 59 as resistant and susceptible controls. Coffee plant was inoculated with 5000 eggs of M. exigua, 80 days after transplanting. The number of galls/gr root were counted at 40 and 120 days after inoculation. To IAPAR 59 cultivar were confirmed to be immune, since no galls was observed in their roots. Catucaí Vermelho 785/15 and Acauã cultivars had segregation behavior with some resistant plants and others of reduced susceptibility. Catucaí Vermelho 36/6, Siriema, Soledade, Bem-te-vi Amarelo, Catucaí Vermelho 20/15- cv 395, Catucaí Amarelo 3-5, Franca Cultivar, Catucaí Vermelho 36/6- cv 470, Catucaí Amarelo 24/137, Sabiá Tardio, Catucaí Amarelo 2SL- cv 446, Catucaí Amarelo 3 SM, Catucaí Amarelo 20/15- 479, Icatu IAC 2944, IBC-Palma II, Canário, Catucaí Açu Vermelho, IBC-Palma I e Acaiá-IAC 474/19, were considered susceptible. MenosNematodes may cause damages in Brazilians coffee plantations, depending on the species and the type of soil. The Meloidogyne exigua is spread in the coffee regions, especially in older farmings in South of Minas Gerais. Coffe trees in the areas with nematodes have showed reduction in their development and production. It gets worse when the plants are under stress conditions. The use of resistant cultivar is the best way to control the nematode. The aim of this work was to evaluate the behavior of Coffea arabica cultivars when inoculated with M. exigua to identify resistance sources. The tests were carried out at Nematology lab in the UFLA, Lavras, MG, in greenhouse, with randomized block design, four replications and plot with three plants. The reaction of 22 coffee cultivars were evaluated with reference to the M. exigua using Acaiá IAC 474/19 and IAPAR 59 as resistant and susceptible controls. Coffee plant was inoculated with 5000 eggs of M. exigua, 80 days after transplanting. The number of galls/gr root were counted at 40 and 120 days after inoculation. To IAPAR 59 cultivar were confirmed to be immune, since no galls was observed in their roots. Catucaí Vermelho 785/15 and Acauã cultivars had segregation behavior with some resistant plants and others of reduced susceptibility. Catucaí Vermelho 36/6, Siriema, Soledade, Bem-te-vi Amarelo, Catucaí Vermelho 20/15- cv 395, Catucaí Amarelo 3-5, Franca Cultivar, Catucaí Vermelho 36/6- cv 470, Catucaí Amarelo 24/137, Sabiá Tardi... Mostrar Tudo |
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Palavras-Chave: |
Nematode. |
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Thesagro: |
Coffea Arábica. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02238nam a2200157 a 4500
001 1880594
005 2011-03-11
008 2008 bl uuuu u00u1 u #d
100 1 $aALVARENGA GARCIA, A. L.
245 $aCultivars evaluation Coffea arabica to the parasitism of Meloidogyne exigua.$h[electronic resource]
260 $aIn: INTERNATIONAL CONFERENCE ON COFFEE SCIENCE, 22. 2008, Campinas, São Paulo, Brazil.$c2008
520 $aNematodes may cause damages in Brazilians coffee plantations, depending on the species and the type of soil. The Meloidogyne exigua is spread in the coffee regions, especially in older farmings in South of Minas Gerais. Coffe trees in the areas with nematodes have showed reduction in their development and production. It gets worse when the plants are under stress conditions. The use of resistant cultivar is the best way to control the nematode. The aim of this work was to evaluate the behavior of Coffea arabica cultivars when inoculated with M. exigua to identify resistance sources. The tests were carried out at Nematology lab in the UFLA, Lavras, MG, in greenhouse, with randomized block design, four replications and plot with three plants. The reaction of 22 coffee cultivars were evaluated with reference to the M. exigua using Acaiá IAC 474/19 and IAPAR 59 as resistant and susceptible controls. Coffee plant was inoculated with 5000 eggs of M. exigua, 80 days after transplanting. The number of galls/gr root were counted at 40 and 120 days after inoculation. To IAPAR 59 cultivar were confirmed to be immune, since no galls was observed in their roots. Catucaí Vermelho 785/15 and Acauã cultivars had segregation behavior with some resistant plants and others of reduced susceptibility. Catucaí Vermelho 36/6, Siriema, Soledade, Bem-te-vi Amarelo, Catucaí Vermelho 20/15- cv 395, Catucaí Amarelo 3-5, Franca Cultivar, Catucaí Vermelho 36/6- cv 470, Catucaí Amarelo 24/137, Sabiá Tardio, Catucaí Amarelo 2SL- cv 446, Catucaí Amarelo 3 SM, Catucaí Amarelo 20/15- 479, Icatu IAC 2944, IBC-Palma II, Canário, Catucaí Açu Vermelho, IBC-Palma I e Acaiá-IAC 474/19, were considered susceptible.
650 $aCoffea Arábica
653 $aNematode
700 1 $aCAMPOS, V. P.
700 1 $aPADILHA, L.
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