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| Registros recuperados : 32 | |
| 2. |  | TOLEDO, A. M.; HOFFMANN-CAMPO, C.B.; PIUBELLI, G. C.; MONTE, R. M.; ARANTES, N. E. Aspectos biológicos de Piezodorus guildinii alimentado com soja com característica de resistência. In: CONGRESSO BRASILEIRO DE SOJA, 2.; MERCOSOJA 2002, 2002, Foz do Iguaçu. Perspectivas do agronegócio da soja: resumos. Londrina: Embrapa Soja, 2002. p. 275. (Embrapa Soja. Documentos, 181). Organizado por Odilon Ferreira Saraiva, Clara Beatriz Hoffmann-Campo.| Biblioteca(s): Embrapa Soja. |
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| 9. | | TOLEDO, A. M.; HOFFMANN-CAMPO, C. B.; MIYAKUBO, S. H.; PIUBELLI, G. C. Time of response and quantification of isoflavone in soybean genotypes after damage by Piezodorus guildinii. In: WORLD SOYBEAN RESEARCH CONFERENCE, 7.; INTERNATIONAL SOYBEAN PROCESSING AND UTILIZATION CONFERENCE, 4.; CONGRESSO BRASILEIRO DE SOJA, 3., 2004, Foz do Iguassu. Abstracts of contributed papers and posters. Londrina: Embrapa Soybean, 2004. p. 218. (Embrapa Soja. Documentos, 228). Editado por Flávio Moscardi, Clara Beatriz Hoffmann-Campo, Odilon Ferreira Saraiva, Paulo Roberto Galerani, Francisco Carlos Krzyzanowski, Mercedes Concordia Carrão-Panizzi.| Biblioteca(s): Embrapa Soja. |
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| 11. | | HOFFMANN-CAMPO, C. B.; PIUBELLI, G. C.; OLIVEIRA, L. J.; TOLEDO, A. M.; MENDES, A. C. F.; MIYAKUBO, S. H. Avaliação de genótipos, mecanismos e o papel dos flavonóides na característica de resistência de soja. In: REUNIÃO DE PESQUISA DE SOJA DA REGIÃO CENTRAL DO BRASIL, 25., 2003, Uberaba. Resumos... Londrina: Embrapa Soja: EPAMIG: Fundação Triângulo, 2003. p. 231-232. (Embrapa Soja. Documentos, 209). Organizado por Odilon Ferreira Saraiva, Regina Maria Villas Boas de Campos Leite.| Biblioteca(s): Embrapa Soja. |
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| 12. | | BUSTILLO, V.; VICTORIA, R. L.; MOURA, J. M. S. de; VICTORIA, D. de C.; TOLEDO, A. M. A.; COLLICCHIO, E. Biogeochemistry of the Amazonian floodplains insights from six end member mixing models. Earth Interactions, Washington, v. 14, n. 9, p. 1-83, 2010.| Biblioteca(s): Embrapa Territorial. |
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| 13. | | MONTE, R. M.; HOFFMANN-CAMPO, C.B.; PIUBELLI, G. C.; ARRUDA, I. C.; OLIVEIRA, L. J.; TOLEDO, A. M. Identificação de flavonóides em genótipos de soja [Glycine max (L.) Merril] com característica de resistência a insetos pragas. In: ENCONTRO DE QUÍMICA DA REGIÃO SUL, 9., 2001, Londrina. Livro de resumos. Londrina: UEL, 2001. não paginado.| Biblioteca(s): Embrapa Soja. |
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| 14. | | BUSTILLO, V.; VICTORIA, R. L.; MOURA, J. M. S. DE; VICTORIA, D. de C.; TOLEDO, A. M. A.; COLLICHIO, E. Factors driving the biogeochemical budget of the Amazon River and its statical modelling. Comptes Rendus Geoscience, v. 343, n. 4, p. 261-277, 2011.| Biblioteca(s): Embrapa Territorial. |
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| 17. | | COLLICCHIO, E.; ROCHA, H. R. DA; VICTORIA, D. de C.; BALLESTER, M. V. R.; TOLEDO, A. M. A. Implicações das mudanças do clima no zoneamento agroclimático da cana-de-açúcar no estado do Tocantins, considerando o modelo GFDL. Revista Brasileira de Geografia Física, Recife, v. 08, n. 06, p. 1730-1747, 2015.| Biblioteca(s): Embrapa Territorial. |
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| 18. | | COLLICCHIO, E.; ROCHA, H. R. da; VICTORIA, D. de C.; ANDRADE, A. de M.; TOLEDO, A. M. A. Potenciais efeitos dos cenários futuros do clima na aptidão agroclimática da cana-de-açúcar no estado do Tocantins. In: COLLICCHIO, E.; ROCHA, H. R. da (org.). Agricultura e mudanças do clima no estado do Tocantins: vulnerabilidades, projeções e desenvolvimento. Palmas, TO: EdUFT, 2022. pt. III, cap, 9, p. 201-222.| Biblioteca(s): Embrapa Agricultura Digital. |
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| 19. | | TOLEDO, A. M. de; HOFFMANN-CAMPO, C. B.; BOIÇA JUNIOR, A. L.; MYAKUBO, S. H.; SALVADOR, M. C. Produção de isoflavonóides em grãos de soja danificados previamente por Piezodorus guildinii (Westwood). In: CONGRESSO BRASILEIRO DE SOJA, 4., 2006, Londrina. Resumos... Londrina: Embrapa Soja, 2006. p. 84. Organizado por Odilon Ferreira Saraiva, Simone Ery Grosskopf.| Biblioteca(s): Embrapa Soja. |
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| 20. | | RIBEIRO, N. R.; SILVA, J. F. V.; FRANCISCO, A.; FAVORETO, L.; TOLEDO, A. M.; CAMPOS, A. S. de. Resistência de genótipos de espécies de vegetais semeados na entressafra aos nematóides Meloidogyne incognita e M. javanica. In: CONGRESSO BRASILEIRO DE NEMATOLOGIA, 24., 2003, Petrolina. [Anais...]. Petrolina: Sociedade Brasileira de Nematologia: Embrapa Semi-Árido, 2003. p. 101. Editado por Wellington Antonio Moreira, Lúcia Helena Piedade Kiill.| Biblioteca(s): Embrapa Soja. |
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| Registros recuperados : 32 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Soja. Para informações adicionais entre em contato com valeria.cardoso@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
06/04/2004 |
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Data da última atualização: |
27/07/2007 |
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Autoria: |
TOLEDO, A. M.; HOFFMANN-CAMPO, C. B.; MIYAKUBO, S. H.; PIUBELLI, G. C. |
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Título: |
Time of response and quantification of isoflavone in soybean genotypes after damage by Piezodorus guildinii. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
In: WORLD SOYBEAN RESEARCH CONFERENCE, 7.; INTERNATIONAL SOYBEAN PROCESSING AND UTILIZATION CONFERENCE, 4.; CONGRESSO BRASILEIRO DE SOJA, 3., 2004, Foz do Iguassu. Abstracts of contributed papers and posters. Londrina: Embrapa Soybean, 2004. |
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Páginas: |
p. 218. |
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Série: |
(Embrapa Soja. Documentos, 228).
|
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Idioma: |
Inglês |
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Notas: |
Editado por Flávio Moscardi, Clara Beatriz Hoffmann-Campo, Odilon Ferreira Saraiva, Paulo Roberto Galerani, Francisco Carlos Krzyzanowski, Mercedes Concordia Carrão-Panizzi. |
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Conteúdo: |
The induction of response to herbivory by production de novo or by augmentation of constitutive chemical compounds has been reported in various plants. Previous experiments carried out at the Embrapa Soybean Phytochemistry Laboratory, Londrina, PR, Brazil showed an increase in isoflavone content (induction) in some soybean genotypes after being damaged by Nezara viridula, as well as its negative effect on the insect feeding preference. Experiments were performed to evaluate the response time and the production of the isoflavones daidzin and genistin by several resistant genotypes (PI 229358, PI 171451, PI 274454, 'BRSMG 68', 'IAC 100'), as compared to a susceptible genotype ('Embrapa 4'). In the greenhouse, four P. guildinii (starved for 24h) were placed in cages (made from two Petri dishes bottoms) containing two soybean pods settled in a live plant of each tested genotype; insect-free cages were maintained as a control. After 18h of confining, the insects were removed from the cages and the pods were excised at 3, 7 and 15 days after herbivory (DAH) for seed extract preparation. An aliquot of the extract of each genotype was analyzed by HPLC to estimate the concentration of daidzin and genistin comparing with those obtained from pure compounds (standards). In general, the constitutive concentration of genistin (non-injured) was higher than daidzin in most of the tested genotypes. The maximum concentration of genistin in non-injured seeds was observed at 15 DAH, indicating an increase in this isoflavone concentration at the later stages of plant development. The injured and non-injured seeds of most genotypes produced the same amount of daidzin with exception of PI 171451 and 'BRSMG 68' at 3 and 7 DAH, respectively. At 15 DAH the concentration of genistin in the non-injured seeds was higher than in the injured seeds, with the exception of the genotype PI 274454. On the other hands, a gradual increase of daidzin concentration was observed over the time, mainly in injured seeds. At 3 DAH, the concentration of daidzin raised from 0.005, in non-injured to 0.169 mg/mL in injured seeds. However the most evident response was observed in the genotype 'BRSMG 68', at 7 and 15 DAH; daidzin concentration in injured seeds increased about three times (from 0,066 to 0,217 mg/mL and 0.087 to 0.229), compared with non-injured seeds. The results indicated that isoflavone concentration depends on the time, stage of plant development, genotype and may be induced by insect damage. MenosThe induction of response to herbivory by production de novo or by augmentation of constitutive chemical compounds has been reported in various plants. Previous experiments carried out at the Embrapa Soybean Phytochemistry Laboratory, Londrina, PR, Brazil showed an increase in isoflavone content (induction) in some soybean genotypes after being damaged by Nezara viridula, as well as its negative effect on the insect feeding preference. Experiments were performed to evaluate the response time and the production of the isoflavones daidzin and genistin by several resistant genotypes (PI 229358, PI 171451, PI 274454, 'BRSMG 68', 'IAC 100'), as compared to a susceptible genotype ('Embrapa 4'). In the greenhouse, four P. guildinii (starved for 24h) were placed in cages (made from two Petri dishes bottoms) containing two soybean pods settled in a live plant of each tested genotype; insect-free cages were maintained as a control. After 18h of confining, the insects were removed from the cages and the pods were excised at 3, 7 and 15 days after herbivory (DAH) for seed extract preparation. An aliquot of the extract of each genotype was analyzed by HPLC to estimate the concentration of daidzin and genistin comparing with those obtained from pure compounds (standards). In general, the constitutive concentration of genistin (non-injured) was higher than daidzin in most of the tested genotypes. The maximum concentration of genistin in non-injured seeds was observed at 15 DAH, indicating ... Mostrar Tudo |
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LEADER 03445naa a2200193 a 4500
001 1466804
005 2007-07-27
008 2004 bl uuuu u00u1 u #d
100 1 $aTOLEDO, A. M.
245 $aTime of response and quantification of isoflavone in soybean genotypes after damage by Piezodorus guildinii.
260 $c2004
300 $ap. 218.
490 $a(Embrapa Soja. Documentos, 228).
500 $aEditado por Flávio Moscardi, Clara Beatriz Hoffmann-Campo, Odilon Ferreira Saraiva, Paulo Roberto Galerani, Francisco Carlos Krzyzanowski, Mercedes Concordia Carrão-Panizzi.
520 $aThe induction of response to herbivory by production de novo or by augmentation of constitutive chemical compounds has been reported in various plants. Previous experiments carried out at the Embrapa Soybean Phytochemistry Laboratory, Londrina, PR, Brazil showed an increase in isoflavone content (induction) in some soybean genotypes after being damaged by Nezara viridula, as well as its negative effect on the insect feeding preference. Experiments were performed to evaluate the response time and the production of the isoflavones daidzin and genistin by several resistant genotypes (PI 229358, PI 171451, PI 274454, 'BRSMG 68', 'IAC 100'), as compared to a susceptible genotype ('Embrapa 4'). In the greenhouse, four P. guildinii (starved for 24h) were placed in cages (made from two Petri dishes bottoms) containing two soybean pods settled in a live plant of each tested genotype; insect-free cages were maintained as a control. After 18h of confining, the insects were removed from the cages and the pods were excised at 3, 7 and 15 days after herbivory (DAH) for seed extract preparation. An aliquot of the extract of each genotype was analyzed by HPLC to estimate the concentration of daidzin and genistin comparing with those obtained from pure compounds (standards). In general, the constitutive concentration of genistin (non-injured) was higher than daidzin in most of the tested genotypes. The maximum concentration of genistin in non-injured seeds was observed at 15 DAH, indicating an increase in this isoflavone concentration at the later stages of plant development. The injured and non-injured seeds of most genotypes produced the same amount of daidzin with exception of PI 171451 and 'BRSMG 68' at 3 and 7 DAH, respectively. At 15 DAH the concentration of genistin in the non-injured seeds was higher than in the injured seeds, with the exception of the genotype PI 274454. On the other hands, a gradual increase of daidzin concentration was observed over the time, mainly in injured seeds. At 3 DAH, the concentration of daidzin raised from 0.005, in non-injured to 0.169 mg/mL in injured seeds. However the most evident response was observed in the genotype 'BRSMG 68', at 7 and 15 DAH; daidzin concentration in injured seeds increased about three times (from 0,066 to 0,217 mg/mL and 0.087 to 0.229), compared with non-injured seeds. The results indicated that isoflavone concentration depends on the time, stage of plant development, genotype and may be induced by insect damage.
700 1 $aHOFFMANN-CAMPO, C. B.
700 1 $aMIYAKUBO, S. H.
700 1 $aPIUBELLI, G. C.
773 $tIn: WORLD SOYBEAN RESEARCH CONFERENCE, 7.; INTERNATIONAL SOYBEAN PROCESSING AND UTILIZATION CONFERENCE, 4.; CONGRESSO BRASILEIRO DE SOJA, 3., 2004, Foz do Iguassu. Abstracts of contributed papers and posters. Londrina: Embrapa Soybean, 2004.
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