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Registro Completo |
Biblioteca(s): |
Embrapa Pantanal. |
Data corrente: |
29/05/2003 |
Data da última atualização: |
29/05/2003 |
Autoria: |
DAVILA, A. M. R.; RAMIREZ, L.; SILVA, R. A. M. S. |
Afiliação: |
EMBRAPA Pantanal (Corumba, MS). |
Título: |
Trypanosoma vivax in South America: biometrical data. |
Ano de publicação: |
1997 |
Fonte/Imprenta: |
Memorias do Instituto Oswaldo Cruz, v.92, p.105, Nov. 1997. Supplement 1. |
Idioma: |
Inglês |
Conteúdo: |
Trypanosoma vivax has been reported in South America since 1919 (Leger & Vienne, 1919). A half century later, using an indirect fluorescent antibody test with a South America T. vivax as antigen, Wells et al. (1977) found positive sera of cattle from several South American countries (Colombia, Equador, Peru, Brazil-Mato Grosso and Paraguay). According to Hoare (1972), South American T. vivax has a range from 16um to 26.5 um in lenght. A more recent review showed that South American T. vivax varies from mean lenghts of 15.86um to 23um in bovine from Bolivia (Santa Cruz department) and French Guyana, respectively (manuscript in preparation). Shorter forms were found in the Pantanal region of Brazil and Bolivian lowlands. Fairbairn (1953) showed that shorter forms would be related to the acute disease obseeved in West Africa. This observations has been considered by South American researches, but further studies should be done to clarify the relationship among morphometrics and virulence of T. vivax. |
Palavras-Chave: |
America do Sul; Antigen; Indirect fluorescent antibody tests; Teste de anticorpos fluorescente indireto. |
Thesagro: |
Antígeno; Trypanosoma Vivax. |
Thesaurus Nal: |
South America. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01683naa a2200229 a 4500 001 1810645 005 2003-05-29 008 1997 bl --- 0-- u #d 100 1 $aDAVILA, A. M. R. 245 $aTrypanosoma vivax in South America$bbiometrical data. 260 $c1997 520 $aTrypanosoma vivax has been reported in South America since 1919 (Leger & Vienne, 1919). A half century later, using an indirect fluorescent antibody test with a South America T. vivax as antigen, Wells et al. (1977) found positive sera of cattle from several South American countries (Colombia, Equador, Peru, Brazil-Mato Grosso and Paraguay). According to Hoare (1972), South American T. vivax has a range from 16um to 26.5 um in lenght. A more recent review showed that South American T. vivax varies from mean lenghts of 15.86um to 23um in bovine from Bolivia (Santa Cruz department) and French Guyana, respectively (manuscript in preparation). Shorter forms were found in the Pantanal region of Brazil and Bolivian lowlands. Fairbairn (1953) showed that shorter forms would be related to the acute disease obseeved in West Africa. This observations has been considered by South American researches, but further studies should be done to clarify the relationship among morphometrics and virulence of T. vivax. 650 $aSouth America 650 $aAntígeno 650 $aTrypanosoma Vivax 653 $aAmerica do Sul 653 $aAntigen 653 $aIndirect fluorescent antibody tests 653 $aTeste de anticorpos fluorescente indireto 700 1 $aRAMIREZ, L. 700 1 $aSILVA, R. A. M. S. 773 $tMemorias do Instituto Oswaldo Cruz$gv.92, p.105, Nov. 1997. Supplement 1.
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Embrapa Pantanal (CPAP) |
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Registro Completo
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
30/09/2016 |
Data da última atualização: |
25/04/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 2 |
Autoria: |
RIOS, S. de A.; KARAM, D.; BORÉM, A.; CARDOSO, W. S.; PAES, M. C. D. |
Afiliação: |
SARA DE ALMEIDA RIOS, SPM; DECIO KARAM, CNPMS; ALUÍZIO BORÉM, UFV, Viçosa, MG.; WILTON SOARES CARDOSO, IFES, Campus Venda Nova, ES; MARIA CRISTINA DIAS PAES, CNPMS. |
Título: |
Effect of post-emergent herbicides application on carotenoid concentration in green corn. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Revista Brasileira de Milho e Sorgo, Sete Lagoas, v. 15, n. 2, p. 262-271, 2016. |
DOI: |
10.18512/1980-6477/rbms.v15n2p262-271 |
Idioma: |
Inglês |
Conteúdo: |
Considering the influence of herbicides in the metabolism of the carotenoids in corn, the objective of the present study was to evaluate the effect of herbicides and genotype on carotenoids concentration. The green corn hybrids BRS 1030 and P30F53 were subjected to a post-emergent herbicides application at 20 and 30 days after emergence. Carotenoids were extracted from corn grains and analyzed to quantify ß- and ß-carotene, lutein, zeaxanthin, ß-cryptoxanthin, total carotenoids (TC), and total of vitamin A carotenoids precursors (proVA). The application of foramsulfuron + iodosulfuron-methyl-sodium (40 + 2.6 g ha-1), nicosulfuron (20 g ha-1), mesotrione (120 g ha-1) and tembotrione (80 g ha-1 and 100 g ha-1) promoted higher concentration of carotenoids in fresh green corn. Lutein, zeaxanthin, ?-cryptoxanthin, ß-carotene, ß-carotene, proVA carotenoids, and TC concentration increased after foramsulfuron + iodosulfuron-methyl-sodium in late application (V5 to V6), nicosulfuron in both applications, mesotrione applied post-initial (V3 to V4), tembotrione (100 g ha-1) in both applications and tembotrione (80 g ha-1) in late post-application, at least for one hybrid. The content of carotenoids in the green corn kernels differed between 'BRS 1030' and 'P30F53'. Our results suggest a possibility of significant increase of carotenoids in green corn kernels through the handling of corn production with post-emergent herbicides. |
Palavras-Chave: |
Biossíntese de carotenoide. |
Thesagro: |
Caroteno; Carotenóide; Herbicida; Vitamina A; Zea mays. |
Thesaurus NAL: |
Carotenoids; Herbicides. |
Categoria do assunto: |
H Saúde e Patologia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/148067/1/Effect-post.pdf
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Marc: |
LEADER 02267naa a2200277 a 4500 001 2053838 005 2017-04-25 008 2016 bl uuuu u00u1 u #d 024 7 $a10.18512/1980-6477/rbms.v15n2p262-271$2DOI 100 1 $aRIOS, S. de A. 245 $aEffect of post-emergent herbicides application on carotenoid concentration in green corn.$h[electronic resource] 260 $c2016 520 $aConsidering the influence of herbicides in the metabolism of the carotenoids in corn, the objective of the present study was to evaluate the effect of herbicides and genotype on carotenoids concentration. The green corn hybrids BRS 1030 and P30F53 were subjected to a post-emergent herbicides application at 20 and 30 days after emergence. Carotenoids were extracted from corn grains and analyzed to quantify ß- and ß-carotene, lutein, zeaxanthin, ß-cryptoxanthin, total carotenoids (TC), and total of vitamin A carotenoids precursors (proVA). The application of foramsulfuron + iodosulfuron-methyl-sodium (40 + 2.6 g ha-1), nicosulfuron (20 g ha-1), mesotrione (120 g ha-1) and tembotrione (80 g ha-1 and 100 g ha-1) promoted higher concentration of carotenoids in fresh green corn. Lutein, zeaxanthin, ?-cryptoxanthin, ß-carotene, ß-carotene, proVA carotenoids, and TC concentration increased after foramsulfuron + iodosulfuron-methyl-sodium in late application (V5 to V6), nicosulfuron in both applications, mesotrione applied post-initial (V3 to V4), tembotrione (100 g ha-1) in both applications and tembotrione (80 g ha-1) in late post-application, at least for one hybrid. The content of carotenoids in the green corn kernels differed between 'BRS 1030' and 'P30F53'. Our results suggest a possibility of significant increase of carotenoids in green corn kernels through the handling of corn production with post-emergent herbicides. 650 $aCarotenoids 650 $aHerbicides 650 $aCaroteno 650 $aCarotenóide 650 $aHerbicida 650 $aVitamina A 650 $aZea mays 653 $aBiossíntese de carotenoide 700 1 $aKARAM, D. 700 1 $aBORÉM, A. 700 1 $aCARDOSO, W. S. 700 1 $aPAES, M. C. D. 773 $tRevista Brasileira de Milho e Sorgo, Sete Lagoas$gv. 15, n. 2, p. 262-271, 2016.
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