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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
01/02/2008 |
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Data da última atualização: |
21/07/2011 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - B |
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Autoria: |
JANK, L.; QUESENBERRY, K. H.; SOLLENBERGER, L. E.; WOFFORD, D. S.; LYRENE, P. M. |
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Afiliação: |
Liana Jank, CNPGC; K. H. Quesenberry Agronomy Department University of Florida; L. E. Sollenberger Agronomy Department University of Florida; D. S. Wofford Agronomy Department University of Florida; P. M. Lyrene Horticultural Sciences Department University of Florida. |
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Título: |
Selection of morphological traits to improve forage characteristics of Setaria sphacelata grown in Florida. |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
New Zealand Journal of Agricultural Research, Wellington, v. 50, n. 1, p. 73-83, Mar. 2007. |
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Idioma: |
Inglês |
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Conteúdo: |
A genetically diverse population of Setaria sphacelata was developed at Gainesville, Florida by intercrossing the cultivars ?Narok?, ?Kazungula? and ?Solander? and a local persistent population. To determine heritability of traits that may improve setaria as a forage plant in Florida, progeny of the intercrossed population underwent two cycles of selection for inflorescence number and one cycle for leaf width. The selected populations, together with cultivars and introductions, were evaluated for morphological characters, yield and forage quality in field experiments with close- and wide-spaced plants. Increase of inflorescence number was not obtained by selection but resulted in decreased plant height, inflorescence length, yield, leaf width, and leafiness. Leaf width was increased by selection and was associated with increased leafiness and whole-plant crude protein content. The results suggest good prospects for selection of setaria cultivars suited to Florida with improved yield and quality providing they tolerate winter cold and reliably produce seed. |
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Palavras-Chave: |
Inflorescenses; Selection. |
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Thesagro: |
Inflorescência; Melhoramento Genético Vegetal; Morfologia Vegetal; Seleção; Setaria Sphacelata. |
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Thesaurus NAL: |
Florida; plant anatomy; plant breeding. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/38213/1/00288230709510284.pdf
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Marc: |
LEADER 01938naa a2200289 a 4500
001 1326412
005 2011-07-21
008 2007 bl uuuu u00u1 u #d
100 1 $aJANK, L.
245 $aSelection of morphological traits to improve forage characteristics of Setaria sphacelata grown in Florida.
260 $c2007
520 $aA genetically diverse population of Setaria sphacelata was developed at Gainesville, Florida by intercrossing the cultivars ?Narok?, ?Kazungula? and ?Solander? and a local persistent population. To determine heritability of traits that may improve setaria as a forage plant in Florida, progeny of the intercrossed population underwent two cycles of selection for inflorescence number and one cycle for leaf width. The selected populations, together with cultivars and introductions, were evaluated for morphological characters, yield and forage quality in field experiments with close- and wide-spaced plants. Increase of inflorescence number was not obtained by selection but resulted in decreased plant height, inflorescence length, yield, leaf width, and leafiness. Leaf width was increased by selection and was associated with increased leafiness and whole-plant crude protein content. The results suggest good prospects for selection of setaria cultivars suited to Florida with improved yield and quality providing they tolerate winter cold and reliably produce seed.
650 $aFlorida
650 $aplant anatomy
650 $aplant breeding
650 $aInflorescência
650 $aMelhoramento Genético Vegetal
650 $aMorfologia Vegetal
650 $aSeleção
650 $aSetaria Sphacelata
653 $aInflorescenses
653 $aSelection
700 1 $aQUESENBERRY, K. H.
700 1 $aSOLLENBERGER, L. E.
700 1 $aWOFFORD, D. S.
700 1 $aLYRENE, P. M.
773 $tNew Zealand Journal of Agricultural Research, Wellington$gv. 50, n. 1, p. 73-83, Mar. 2007.
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Registro original: |
Embrapa Gado de Corte (CNPGC) |
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