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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
26/08/2000 |
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Data da última atualização: |
26/08/2000 |
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Autoria: |
FRANCO, D. A. de S.; BETTIOL, W. |
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Afiliação: |
Embrapa - Meio Ambiente. |
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Título: |
Eficiencia do metodo do tecido do flavedo para avaliar a germinacao deconidios de Penicillium digitatum, agente causal do bolor verde dos frutos citricos |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
Summa Phytopathologica, v.26, n.2, p.265-268, 2000 |
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ISSN: |
0100-5405 |
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Idioma: |
Português |
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Conteúdo: |
O metodo do tecido do flavedo (MTF), que consiste em colocar discos de12mm de diametro de flavedo de laranja 'Pera' (Citrus sinensis) sobre laminas de microscopia plana, foi comparado aos de epiderme destacada de cebola (MEDC); de laminas de microscopia plana, recobertas ou nao com poliestireno e meio agar-agua, e laminas escavadas, quanto a eficacia para avaliar a germinacao de conidios de Penicillium digitatum. Na realizacao dos testes foram colocadas tres gotas de 20 uL de suspensaode inoculo (1x10 5 conidios/mL), e a seguir mais 20 uL de agua destilada esterilizada sobre os diferentes materiais. A incubacao foi em camara umida e escura a 25oC mais ou menos 2. Transcorridas 18, 19, 20, 21e 22 horas de incubacao foi adicionada uma gota de azul de lactofenol e realizada a avaliacao da germinacao dos conidios em microscopio otico. O metodo do tecido do flavedo de laranja apresentou germinacao de 100, 99, 100, 100 e 100%, o da epiderme destacada da cebola de 4, 7, 8,11 e 18% e o da lamina revestida com meio agar-agua de 7,9,22,10 e 23%para os periodos de 18,19,20,21 e 22 horas, respectivamente. |
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Palavras-Chave: |
Citrus spp; Germination method. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01659naa a2200169 a 4500
001 1635872
005 2000-08-26
008 2000 bl uuuu u00u1 u #d
022 $a0100-5405
100 1 $aFRANCO, D. A. de S.
245 $aEficiencia do metodo do tecido do flavedo para avaliar a germinacao deconidios de Penicillium digitatum, agente causal do bolor verde dos frutos citricos
260 $c2000
520 $aO metodo do tecido do flavedo (MTF), que consiste em colocar discos de12mm de diametro de flavedo de laranja 'Pera' (Citrus sinensis) sobre laminas de microscopia plana, foi comparado aos de epiderme destacada de cebola (MEDC); de laminas de microscopia plana, recobertas ou nao com poliestireno e meio agar-agua, e laminas escavadas, quanto a eficacia para avaliar a germinacao de conidios de Penicillium digitatum. Na realizacao dos testes foram colocadas tres gotas de 20 uL de suspensaode inoculo (1x10 5 conidios/mL), e a seguir mais 20 uL de agua destilada esterilizada sobre os diferentes materiais. A incubacao foi em camara umida e escura a 25oC mais ou menos 2. Transcorridas 18, 19, 20, 21e 22 horas de incubacao foi adicionada uma gota de azul de lactofenol e realizada a avaliacao da germinacao dos conidios em microscopio otico. O metodo do tecido do flavedo de laranja apresentou germinacao de 100, 99, 100, 100 e 100%, o da epiderme destacada da cebola de 4, 7, 8,11 e 18% e o da lamina revestida com meio agar-agua de 7,9,22,10 e 23%para os periodos de 18,19,20,21 e 22 horas, respectivamente.
653 $aCitrus spp
653 $aGermination method
700 1 $aBETTIOL, W.
773 $tSumma Phytopathologica$gv.26, n.2, p.265-268, 2000
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
06/01/2020 |
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Data da última atualização: |
06/02/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
SOUZA, S. M. DE; LOPES, F. C. F.; VALADARES FILHO, S. DE C.; GAMA, M. A. S. da; RENNÓ, L. N.; RODRIGUES, J. P. P. |
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Afiliação: |
Shirley Motta de Souza; FERNANDO CESAR FERRAZ LOPES, CNPGL; Sebastião de Campos Valadares Filho; MARCO ANTONIO SUNDFELD DA GAMA, CNPGL; Luciana Navajas Rennó; João Paulo Pacheco Rodrigues. |
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Título: |
Milk fatty acid composition of Holstein x Gyr dairy cows fed sugarcane-based diets containing citrus pulp supplemented with sunflower oil. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Semina: Ciências Agrárias, v. 40, n. 4, p. 1663-1680, 2019. |
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DOI: |
http://dx.doi.org/10.5433/1679-0359.2019v40n4p1663 |
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Idioma: |
Inglês |
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Conteúdo: |
Sugarcane is a strategic roughage source for milk production in the tropics, and its supplementation with plant oils offers great potential for obtaining milk enriched with beneficial fatty acids, such as oleic (cis-9 C18:1), vaccenic (trans-11 C18:1), and rumenic (cis-9, trans-11 CLA) acids. The aim of this study was to evaluate the milk fatty acid composition of cows fed 60% chopped sugarcane-based diets containing citrus pulp and 0.0% (control), 1.5%, 3.0% and 4.5% sunflower oil on a dry matter basis. Twelve multiparous Holstein x Gyr dairy cows with an average milk production of 17±5 kg day-1 and 96±25 days in milk were allocated in a triplicate 4 x 4 Latin square design. There was no effect of dietary treatment on milk production, but sunflower oil supplementation linearly reduced the milk fat content and yield. The milk fat contents of lauric (C12:0), myristic (C14:0), and palmitic (C16:0) fatty acids were linearly reduced with increasing sunflower oil levels. There was a quadratic effect on the milk fat oleic, vaccenic, and rumenic acid contents, while the concentrations of elaidic acid (trans-9 C18:1), trans-10 C18:1 and trans-10, cis-12 CLA linearly increased in response to sunflower oil inclusion. Diet supplementation with sunflower oil linearly reduced both the atherogenicity and thrombogenicity indices and linearly increased the ratio between hypo- and hypercholesterolemic fatty acids in milk fat. The inclusion of up to 4.5% sunflower oil in 60% chopped sugarcane-based diets improved the nutritional quality of milk fat from Holstein x Gyr dairy cows as a result of the increased content of oleic, rumenic and vaccenic acids, which are beneficial to human health, and the concomitant reduction of hypercholesterolemic lauric, myristic and palmitic acids. However, there was an increase in the milk content of trans-10 C18:1 and elaidic acid, which are associated with deleterious effects on cardiovascular health. MenosSugarcane is a strategic roughage source for milk production in the tropics, and its supplementation with plant oils offers great potential for obtaining milk enriched with beneficial fatty acids, such as oleic (cis-9 C18:1), vaccenic (trans-11 C18:1), and rumenic (cis-9, trans-11 CLA) acids. The aim of this study was to evaluate the milk fatty acid composition of cows fed 60% chopped sugarcane-based diets containing citrus pulp and 0.0% (control), 1.5%, 3.0% and 4.5% sunflower oil on a dry matter basis. Twelve multiparous Holstein x Gyr dairy cows with an average milk production of 17±5 kg day-1 and 96±25 days in milk were allocated in a triplicate 4 x 4 Latin square design. There was no effect of dietary treatment on milk production, but sunflower oil supplementation linearly reduced the milk fat content and yield. The milk fat contents of lauric (C12:0), myristic (C14:0), and palmitic (C16:0) fatty acids were linearly reduced with increasing sunflower oil levels. There was a quadratic effect on the milk fat oleic, vaccenic, and rumenic acid contents, while the concentrations of elaidic acid (trans-9 C18:1), trans-10 C18:1 and trans-10, cis-12 CLA linearly increased in response to sunflower oil inclusion. Diet supplementation with sunflower oil linearly reduced both the atherogenicity and thrombogenicity indices and linearly increased the ratio between hypo- and hypercholesterolemic fatty acids in milk fat. The inclusion of up to 4.5% sunflower oil in 60% chopped sugarcane... Mostrar Tudo |
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Palavras-Chave: |
Rumenic acid. |
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Thesagro: |
Saccharum Officinarum. |
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Thesaurus NAL: |
Conjugated linoleic acid; Vaccenic acid. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/208181/1/Artigo-Fernando-Milk-Fatty-Semina.pdf
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Marc: |
LEADER 02784naa a2200241 a 4500
001 2118193
005 2024-02-06
008 2019 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.5433/1679-0359.2019v40n4p1663$2DOI
100 1 $aSOUZA, S. M. DE
245 $aMilk fatty acid composition of Holstein x Gyr dairy cows fed sugarcane-based diets containing citrus pulp supplemented with sunflower oil.$h[electronic resource]
260 $c2019
520 $aSugarcane is a strategic roughage source for milk production in the tropics, and its supplementation with plant oils offers great potential for obtaining milk enriched with beneficial fatty acids, such as oleic (cis-9 C18:1), vaccenic (trans-11 C18:1), and rumenic (cis-9, trans-11 CLA) acids. The aim of this study was to evaluate the milk fatty acid composition of cows fed 60% chopped sugarcane-based diets containing citrus pulp and 0.0% (control), 1.5%, 3.0% and 4.5% sunflower oil on a dry matter basis. Twelve multiparous Holstein x Gyr dairy cows with an average milk production of 17±5 kg day-1 and 96±25 days in milk were allocated in a triplicate 4 x 4 Latin square design. There was no effect of dietary treatment on milk production, but sunflower oil supplementation linearly reduced the milk fat content and yield. The milk fat contents of lauric (C12:0), myristic (C14:0), and palmitic (C16:0) fatty acids were linearly reduced with increasing sunflower oil levels. There was a quadratic effect on the milk fat oleic, vaccenic, and rumenic acid contents, while the concentrations of elaidic acid (trans-9 C18:1), trans-10 C18:1 and trans-10, cis-12 CLA linearly increased in response to sunflower oil inclusion. Diet supplementation with sunflower oil linearly reduced both the atherogenicity and thrombogenicity indices and linearly increased the ratio between hypo- and hypercholesterolemic fatty acids in milk fat. The inclusion of up to 4.5% sunflower oil in 60% chopped sugarcane-based diets improved the nutritional quality of milk fat from Holstein x Gyr dairy cows as a result of the increased content of oleic, rumenic and vaccenic acids, which are beneficial to human health, and the concomitant reduction of hypercholesterolemic lauric, myristic and palmitic acids. However, there was an increase in the milk content of trans-10 C18:1 and elaidic acid, which are associated with deleterious effects on cardiovascular health.
650 $aConjugated linoleic acid
650 $aVaccenic acid
650 $aSaccharum Officinarum
653 $aRumenic acid
700 1 $aLOPES, F. C. F.
700 1 $aVALADARES FILHO, S. DE C.
700 1 $aGAMA, M. A. S. da
700 1 $aRENNÓ, L. N.
700 1 $aRODRIGUES, J. P. P.
773 $tSemina: Ciências Agrárias$gv. 40, n. 4, p. 1663-1680, 2019.
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Embrapa Gado de Leite (CNPGL) |
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