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Registro Completo |
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
28/10/2010 |
Data da última atualização: |
26/07/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
KUMUDINI, S.; GODOY, C. V.; KENNEDY, B.; PRIOR, E.; OMIELAN, J.; BOERMA, H. R.; HERSHMANN, D. |
Afiliação: |
S. KUMUDINI, Monsanto Co.; CLAUDIA VIEIRA GODOY, CNPSO; B. KENNEDY, University of Kentucky; E. PRIOR, University of Kentucky; J. OMIELAN, University of Kentuchy; H. R. BOERMA, University of Georgia; D. HERSHMANN, University of Kentucky. |
Título: |
Role of host-plant resistance and disease development stage on leaf photosynthetic competence of soybean rust infected leaves. |
Ano de publicação: |
2010 |
Fonte/Imprenta: |
Crop Science, Madison, v. 50, n. p. 2533-2542, nov./dec. 2010. |
DOI: |
10.2135/cropsci2010.01.0003 |
Idioma: |
Inglês |
Conteúdo: |
Host-plant resistance is known to reduce fungal growth of Phakospora pachyrhizi Syd. & P. Syd., the causal agent of soybean rust (SBR) in soybean (Glycine max L. Merr.). This disease has been shown to reduce soybean leaf photosynthesis in susceptible soybean plants. Since resistant lines have reduced fungal growth, the resistance genes may protect these plants against injury to leaf photosynthesis. The objectives of this study were to determine the impact of a host-plant resistance gene and disease developmental stage on leaf photosynthesis. Two controlled-environment studies and a field experiment were conducted using genotypes resistant and susceptible to SBR. Photosynthesis was measured at the pre- and the postsporulation disease developmental stage and its quantitative impact was calculated for the genotypes. The susceptible genotypes formed tan, sporulating lesions, and the resistant genotype formed reddish-brown (RB), nonsporulating lesions. The resistant genotype reduced disease severity (measured as relative lesion area). The negative impact of SBR on leaf photosynthesis was the same for resistant and susceptible genotypes (at equivalent disease severity levels), and the pre- and postsporulation disease development stages. Since the resistant genotype formed significantly lower lesion area, the reduced disease severity and the lack of sporulation in the resistant genotype will likely minimize the impact of the disease on canopy photosynthesis and yield. |
Thesagro: |
Ferrugem; Fungo; Phakopsora Pachyrhizi; Praga de planta; Soja. |
Thesaurus Nal: |
Microbial growth; Soybean rust; Soybeans. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
Marc: |
LEADER 02341naa a2200301 a 4500 001 1865531 005 2017-07-26 008 2010 bl uuuu u00u1 u #d 024 7 $a10.2135/cropsci2010.01.0003$2DOI 100 1 $aKUMUDINI, S. 245 $aRole of host-plant resistance and disease development stage on leaf photosynthetic competence of soybean rust infected leaves. 260 $c2010 520 $aHost-plant resistance is known to reduce fungal growth of Phakospora pachyrhizi Syd. & P. Syd., the causal agent of soybean rust (SBR) in soybean (Glycine max L. Merr.). This disease has been shown to reduce soybean leaf photosynthesis in susceptible soybean plants. Since resistant lines have reduced fungal growth, the resistance genes may protect these plants against injury to leaf photosynthesis. The objectives of this study were to determine the impact of a host-plant resistance gene and disease developmental stage on leaf photosynthesis. Two controlled-environment studies and a field experiment were conducted using genotypes resistant and susceptible to SBR. Photosynthesis was measured at the pre- and the postsporulation disease developmental stage and its quantitative impact was calculated for the genotypes. The susceptible genotypes formed tan, sporulating lesions, and the resistant genotype formed reddish-brown (RB), nonsporulating lesions. The resistant genotype reduced disease severity (measured as relative lesion area). The negative impact of SBR on leaf photosynthesis was the same for resistant and susceptible genotypes (at equivalent disease severity levels), and the pre- and postsporulation disease development stages. Since the resistant genotype formed significantly lower lesion area, the reduced disease severity and the lack of sporulation in the resistant genotype will likely minimize the impact of the disease on canopy photosynthesis and yield. 650 $aMicrobial growth 650 $aSoybean rust 650 $aSoybeans 650 $aFerrugem 650 $aFungo 650 $aPhakopsora Pachyrhizi 650 $aPraga de planta 650 $aSoja 700 1 $aGODOY, C. V. 700 1 $aKENNEDY, B. 700 1 $aPRIOR, E. 700 1 $aOMIELAN, J. 700 1 $aBOERMA, H. R. 700 1 $aHERSHMANN, D. 773 $tCrop Science, Madison$gv. 50, n. p. 2533-2542, nov./dec. 2010.
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| Acesso ao texto completo restrito à biblioteca da Embrapa Clima Temperado. Para informações adicionais entre em contato com cpact.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Clima Temperado. |
Data corrente: |
14/07/1995 |
Data da última atualização: |
19/12/2018 |
Autoria: |
SALLES, L. A. B. de. |
Título: |
A cochonilha branca, do pessegueiro Pseudaulacaspis pentagona. (Homoptera: diaspidae). |
Ano de publicação: |
1990 |
Fonte/Imprenta: |
Pelotas: EMBRAPA-CNPFT, 1990. |
Páginas: |
10p. |
Série: |
(EMBRAPA-CNPFT. Circular Tecnica, 14). |
Idioma: |
Português |
Conteúdo: |
Introdução e distribuição geográfica, Hospedeiros e Importância Economica, Ciclo de vida, Medidas de controle.
|
Palavras-Chave: |
P?ssego; Pessego - Pseudaulacaspis pentagona; Pessegueiro. |
Thesagro: |
Cochonilha Branca; Entomologia; Fruticultura; Pêssego; Pseudaulacaspis Pentagona. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00777nam a2200229 a 4500 001 1743108 005 2018-12-19 008 1990 bl uuuu u0uu1 u #d 100 1 $aSALLES, L. A. B. de 245 $aA cochonilha branca, do pessegueiro Pseudaulacaspis pentagona. (Homoptera$bdiaspidae). 260 $aPelotas: EMBRAPA-CNPFT$c1990 300 $a10p. 490 $a(EMBRAPA-CNPFT. Circular Tecnica, 14). 520 $aIntrodução e distribuição geográfica, Hospedeiros e Importância Economica, Ciclo de vida, Medidas de controle. 650 $aCochonilha Branca 650 $aEntomologia 650 $aFruticultura 650 $aPêssego 650 $aPseudaulacaspis Pentagona 653 $aP?ssego 653 $aPessego - Pseudaulacaspis pentagona 653 $aPessegueiro
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