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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
10/07/2017 |
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Data da última atualização: |
11/07/2017 |
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Autoria: |
BENEDETTI, E. L.; SANTIN, D.; BARROS, N. F. de; PEREIRA, G. L.; MARTINEZ, H. P.; NEVES, J. C. L. |
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Título: |
Alumínio estimula o crescimento radicular de erva-mate? |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Pesquisa Florestal Brasileira, Colombo, v. 37, n. 90, p. 139-147, abr./jun. 2017. |
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DOI: |
10.4336/2017.pfb.37.90.983 |
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Idioma: |
Português |
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Conteúdo: |
A toxicidade por Al em plantas se dá de várias maneiras, sendo a inibição do crescimento radicular uma das primeiras a se expressar, embora não seja prontamente perceptível em razão do hábito de crescimento das raízes. O objetivo desse trabalho foi avaliar a tolerância da erva-mate ao Al por meio do crescimento de raízes de mudas submetidas a doses crescentes do elemento. Para isso, testaram-se, três clones (C1, C2 e C3), doses de 100, 500, 1.000 e 2.000 μmol L-1 de Al (AlCl3 .6H2 O) e um controle sem Al. Após 50 dias, determinaram-se massa seca das raízes, comprimento e volume total do sistema radicular, comprimento e volume total das raízes em diferentes diâmetros. O Al influenciou positivamente o crescimento das raízes de todos os clones. O maior comprimento radicular foi apresentado pelo clone C2, seguido pelo C3 e C1 em doses superiores a 1.500 µmol L-1. Os maiores volumes foram obtidos para os clones C3, C2 e C1 nas doses respectivas de 2.000, 1.355 e 1.988 µmol L-1 de Al. Maiores comprimentos e volume radicular foram provenientes de raízes finas em doses superiores a 1.500 µmol L-1 de Al. O Al estimula o crescimento radicular e os clones testados apresentam tolerância diferencial ao Al. |
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Palavras-Chave: |
Raízes; Tolerance; Tolerância. |
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Thesagro: |
Ilex Paraguariensis. |
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Thesaurus Nal: |
roots. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/161611/1/PFB-6.pdf
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Marc: |
LEADER 01965naa a2200253 a 4500
001 2072411
005 2017-07-11
008 2017 bl uuuu u00u1 u #d
024 7 $a10.4336/2017.pfb.37.90.983$2DOI
100 1 $aBENEDETTI, E. L.
245 $aAlumínio estimula o crescimento radicular de erva-mate?$h[electronic resource]
260 $c2017
520 $aA toxicidade por Al em plantas se dá de várias maneiras, sendo a inibição do crescimento radicular uma das primeiras a se expressar, embora não seja prontamente perceptível em razão do hábito de crescimento das raízes. O objetivo desse trabalho foi avaliar a tolerância da erva-mate ao Al por meio do crescimento de raízes de mudas submetidas a doses crescentes do elemento. Para isso, testaram-se, três clones (C1, C2 e C3), doses de 100, 500, 1.000 e 2.000 μmol L-1 de Al (AlCl3 .6H2 O) e um controle sem Al. Após 50 dias, determinaram-se massa seca das raízes, comprimento e volume total do sistema radicular, comprimento e volume total das raízes em diferentes diâmetros. O Al influenciou positivamente o crescimento das raízes de todos os clones. O maior comprimento radicular foi apresentado pelo clone C2, seguido pelo C3 e C1 em doses superiores a 1.500 µmol L-1. Os maiores volumes foram obtidos para os clones C3, C2 e C1 nas doses respectivas de 2.000, 1.355 e 1.988 µmol L-1 de Al. Maiores comprimentos e volume radicular foram provenientes de raízes finas em doses superiores a 1.500 µmol L-1 de Al. O Al estimula o crescimento radicular e os clones testados apresentam tolerância diferencial ao Al.
650 $aroots
650 $aIlex Paraguariensis
653 $aRaízes
653 $aTolerance
653 $aTolerância
700 1 $aSANTIN, D.
700 1 $aBARROS, N. F. de
700 1 $aPEREIRA, G. L.
700 1 $aMARTINEZ, H. P.
700 1 $aNEVES, J. C. L.
773 $tPesquisa Florestal Brasileira, Colombo$gv. 37, n. 90, p. 139-147, abr./jun. 2017.
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Registro original: |
Embrapa Florestas (CNPF) |
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Registro Completo
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Biblioteca(s): |
Embrapa Clima Temperado. |
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Data corrente: |
01/12/2020 |
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Data da última atualização: |
01/12/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
PARIS, M. DE; STIVANIN, S. C. B.; KLEIN, C. P.; VIZZOTTO, E. F.; PASSOS, L. T.; ANGELO, I. D. V.; ZANELA, M. B.; STONE, V.; MATTÉ, C.; HEISLER, G.; FISCHER, V. |
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Afiliação: |
M. DE PARIS, UFRGS; S. C. B. STIVANIN, UFRGS; C. P. KLEIN, UFRGS; E. F. VIZZOTTO, UFRGS; L. T. PASSOS, UFRGS; I. D. V. ANGELO, UFRGS; MAIRA BALBINOTTI ZANELA, CPACT; V. STONE, UFRGS; C. MATTÉ, UFRGS; G. HEISLER, UFRGS; V. FISCHER, UFRGS. |
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Título: |
Calves fed with milk from cows receiving plant extracts improved redox status. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Livestock Science, v. 242, Dec. 2020. |
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DOI: |
https://doi.org/10.1016/j.livsci.2020.104272 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this study was to evaluate the biomarkers of the redox state of pre-weaned Jersey dairy calves that consumed milk from cows supplemented with green tea (Camellia sinensis) or oregano extracts (Origanum vulgare). A completely randomized design was used with repeated measures in time. From their birth to 60 days of life, 8, 8 and 7 calves received milk from cows fed on a basal diet without addition of plant extracts (CON), with addition of 10.0 g of oregano extract (OE) per day and with 5.0 g of green tea extract (GT) per day, respectively. On days 1, 30, and 60 after birth redox state biomarkers were evaluated. Body weight was eval-uated every two weeks, rectal temperature and fecal score were accessed every two days and concentrate intake was measured every day. Statistical analyses for body weight, body weight gain, concentrate intake, rectal temperature, variables of redox status were performed using the procedure Mixed, evaluating the fixed effects of treatment, day of measurement and their interaction. Statistical analyses for the mean fecal score and the number of days to the first diarrhea occurrence were performed using the procedure Mixed, evaluating the fixed effect of treatment. On day 1, calves fed with milk from GT group had higher plasma glutathione peroxidase activity (GPx) than CON. However, the reverse occurred on day 60. On the day 1, calves in the CON group presented higher concentrations of thiol groups (also known as sulfhydryl groups) than those in GT and OE groups, with reverse occurring on day 30. Calves in the OE group had lower oxidation of dichlorofluorescein in the erythrocytes compared to the others; while calves in the GT group presented higher concentration of GSH and higher activity of the catalase enzyme compared to CON and OE, respectively. Pre-weaned calves fed with milk of cows supplemented with extracts of green tea and oregano did not change... MenosThe objective of this study was to evaluate the biomarkers of the redox state of pre-weaned Jersey dairy calves that consumed milk from cows supplemented with green tea (Camellia sinensis) or oregano extracts (Origanum vulgare). A completely randomized design was used with repeated measures in time. From their birth to 60 days of life, 8, 8 and 7 calves received milk from cows fed on a basal diet without addition of plant extracts (CON), with addition of 10.0 g of oregano extract (OE) per day and with 5.0 g of green tea extract (GT) per day, respectively. On days 1, 30, and 60 after birth redox state biomarkers were evaluated. Body weight was eval-uated every two weeks, rectal temperature and fecal score were accessed every two days and concentrate intake was measured every day. Statistical analyses for body weight, body weight gain, concentrate intake, rectal temperature, variables of redox status were performed using the procedure Mixed, evaluating the fixed effects of treatment, day of measurement and their interaction. Statistical analyses for the mean fecal score and the number of days to the first diarrhea occurrence were performed using the procedure Mixed, evaluating the fixed effect of treatment. On day 1, calves fed with milk from GT group had higher plasma glutathione peroxidase activity (GPx) than CON. However, the reverse occurred on day 60. On the day 1, calves in the CON group presented higher concentrations of thiol groups (also known as sulfhydryl groups) th... Mostrar Tudo |
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Thesagro: |
Antioxidante; Bezerro; Chá Verde; Gado Jersey; Orégano. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/218512/1/Paris-2020-Livestock-Science.pdf
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Marc: |
LEADER 02788naa a2200313 a 4500
001 2127380
005 2020-12-01
008 2020 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.livsci.2020.104272$2DOI
100 1 $aPARIS, M. DE
245 $aCalves fed with milk from cows receiving plant extracts improved redox status.$h[electronic resource]
260 $c2020
520 $aThe objective of this study was to evaluate the biomarkers of the redox state of pre-weaned Jersey dairy calves that consumed milk from cows supplemented with green tea (Camellia sinensis) or oregano extracts (Origanum vulgare). A completely randomized design was used with repeated measures in time. From their birth to 60 days of life, 8, 8 and 7 calves received milk from cows fed on a basal diet without addition of plant extracts (CON), with addition of 10.0 g of oregano extract (OE) per day and with 5.0 g of green tea extract (GT) per day, respectively. On days 1, 30, and 60 after birth redox state biomarkers were evaluated. Body weight was eval-uated every two weeks, rectal temperature and fecal score were accessed every two days and concentrate intake was measured every day. Statistical analyses for body weight, body weight gain, concentrate intake, rectal temperature, variables of redox status were performed using the procedure Mixed, evaluating the fixed effects of treatment, day of measurement and their interaction. Statistical analyses for the mean fecal score and the number of days to the first diarrhea occurrence were performed using the procedure Mixed, evaluating the fixed effect of treatment. On day 1, calves fed with milk from GT group had higher plasma glutathione peroxidase activity (GPx) than CON. However, the reverse occurred on day 60. On the day 1, calves in the CON group presented higher concentrations of thiol groups (also known as sulfhydryl groups) than those in GT and OE groups, with reverse occurring on day 30. Calves in the OE group had lower oxidation of dichlorofluorescein in the erythrocytes compared to the others; while calves in the GT group presented higher concentration of GSH and higher activity of the catalase enzyme compared to CON and OE, respectively. Pre-weaned calves fed with milk of cows supplemented with extracts of green tea and oregano did not change...
650 $aAntioxidante
650 $aBezerro
650 $aChá Verde
650 $aGado Jersey
650 $aOrégano
700 1 $aSTIVANIN, S. C. B.
700 1 $aKLEIN, C. P.
700 1 $aVIZZOTTO, E. F.
700 1 $aPASSOS, L. T.
700 1 $aANGELO, I. D. V.
700 1 $aZANELA, M. B.
700 1 $aSTONE, V.
700 1 $aMATTÉ, C.
700 1 $aHEISLER, G.
700 1 $aFISCHER, V.
773 $tLivestock Science$gv. 242, Dec. 2020.
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Embrapa Clima Temperado (CPACT) |
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