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Registros recuperados : 7 | |
Registros recuperados : 7 | |
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Registro Completo
Biblioteca(s): |
Embrapa Gado de Corte. |
Data corrente: |
01/02/2008 |
Data da última atualização: |
21/07/2011 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
Internacional - B |
Autoria: |
JANK, L.; QUESENBERRY, K. H.; SOLLENBERGER, L. E.; WOFFORD, D. S.; LYRENE, P. M. |
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. |
Título: |
Selection of morphological traits to improve forage characteristics of Setaria sphacelata grown in Florida. |
Ano de publicação: |
2007 |
Fonte/Imprenta: |
New Zealand Journal of Agricultural Research, Wellington, v. 50, n. 1, p. 73-83, Mar. 2007. |
Idioma: |
Inglês |
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. |
Palavras-Chave: |
Inflorescenses; Selection. |
Thesagro: |
Inflorescência; Melhoramento Genético Vegetal; Morfologia Vegetal; Seleção; Setaria Sphacelata. |
Thesaurus NAL: |
Florida; plant anatomy; plant breeding. |
Categoria do assunto: |
-- |
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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Embrapa Gado de Corte (CNPGC) |
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