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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
01/02/2016 |
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Data da última atualização: |
01/02/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MAURI, J.; TECHIO, V. H.; DAVIDE, L. C.; PEREIRA, D. L.; SOUZA SOBRINHO, F. de; PEREIRA, F. J. |
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Afiliação: |
Janaína Mauri, UFLA, MG; Vânia Helena Techio, UFLA, MG; Lisete Chamma Davide, UFLA, MG; Daniele Laís Pereira, UFLA, MG; FAUSTO DE SOUZA SOBRINHO, CNPGL; Fabrício José Pereira, UFLA, MG. |
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Título: |
Forage quality in cultivars of Brachiaria spp.: association of lignin and fibers with anatomical characteristics. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Australian Journal of Crop Science, v. 9, n. 12, p. 1148-1153, 2015. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Studies to quantify lignin and fibers chemically and anatomically were conducted to evaluate the nutritional quality of forage. This study aimed to assess differences in the amount of lignin and fiber in the leaves of cultivars from three species of Brachiaria. These differences were correlated with structural characteristics of sclerenchyma and vessel elements. Brachiaria brizantha (Hochst.) Stapf. cv. Marandu, Brachiaria decumbens Stapf. Prain. cv. Basilisk, and Brachiaria ruziziensis Kennedy (R. Germ & Evrad) cv. Kennedy were chemically and anatomically analyzed using fluorescence techniques and plant microtechnique procedures to evaluate the amount of lignin and fibers in leaves. B. brizantha showed the lowest cell-wall lignin content in fibers from the mesophyll region, and the average gray level was 177.43 compared to 197.63 for B. decumbens and 195.77 for B. ruziziensis. In the midrib, the fiber cell-wall thickness was 3.27 µm in B. brizantha, 57.18% thinner than B. ruziziensis (5.14 µm) and 9.48% thinner than B. decumbens (3.58 µm). B. brizantha cv. Marandu showed the lowest amount of lignin based on cell-wall fiber characteristics. |
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Palavras-Chave: |
Gray levels; Quantitative plant anatomy. |
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Thesagro: |
Brachiaria Brizantha; Brachiaria Decumbens; Brachiaria Ruziziensis. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 01939naa a2200241 a 4500
001 2035719
005 2024-02-01
008 2015 bl uuuu u00u1 u #d
100 1 $aMAURI, J.
245 $aForage quality in cultivars of Brachiaria spp.$bassociation of lignin and fibers with anatomical characteristics.$h[electronic resource]
260 $c2015
520 $aAbstract: Studies to quantify lignin and fibers chemically and anatomically were conducted to evaluate the nutritional quality of forage. This study aimed to assess differences in the amount of lignin and fiber in the leaves of cultivars from three species of Brachiaria. These differences were correlated with structural characteristics of sclerenchyma and vessel elements. Brachiaria brizantha (Hochst.) Stapf. cv. Marandu, Brachiaria decumbens Stapf. Prain. cv. Basilisk, and Brachiaria ruziziensis Kennedy (R. Germ & Evrad) cv. Kennedy were chemically and anatomically analyzed using fluorescence techniques and plant microtechnique procedures to evaluate the amount of lignin and fibers in leaves. B. brizantha showed the lowest cell-wall lignin content in fibers from the mesophyll region, and the average gray level was 177.43 compared to 197.63 for B. decumbens and 195.77 for B. ruziziensis. In the midrib, the fiber cell-wall thickness was 3.27 µm in B. brizantha, 57.18% thinner than B. ruziziensis (5.14 µm) and 9.48% thinner than B. decumbens (3.58 µm). B. brizantha cv. Marandu showed the lowest amount of lignin based on cell-wall fiber characteristics.
650 $aBrachiaria Brizantha
650 $aBrachiaria Decumbens
650 $aBrachiaria Ruziziensis
653 $aGray levels
653 $aQuantitative plant anatomy
700 1 $aTECHIO, V. H.
700 1 $aDAVIDE, L. C.
700 1 $aPEREIRA, D. L.
700 1 $aSOUZA SOBRINHO, F. de
700 1 $aPEREIRA, F. J.
773 $tAustralian Journal of Crop Science$gv. 9, n. 12, p. 1148-1153, 2015.
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