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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
21/02/2006 |
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Data da última atualização: |
04/11/2024 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
JANK, L.; QUESENBERRY, K. H.; MISLEVY, P. |
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Afiliação: |
LIANA JANK, CNPGC; K. H. QUESENBERRY, UNIVERSITY OF FLORIDA; P. MISLEVY, RANGE CATTLE RESEARCH AND EDUCATION CENTER. |
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Título: |
Effects of selection on morphological characteristics in Setaria sphacelata (Schumach.) moss. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
In: INTERNATIONAL GRASSLAND CONGRESS, 19., 2001, São Pedro. Grassland ecosystems: an outlook into the 21st century: proceedings. Piracicaba: SBZ: FEALQ, 2001. |
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Páginas: |
p. 503-504. |
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Idioma: |
Inglês |
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Notas: |
(ID n. 12-17). |
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Conteúdo: |
Cattle production in Florida is limited by the lack of available warm-season forages adapted to the cool winters of the region Setaria (S.sphacelata) has demonstrated green growth during cool conditions in subtropical climates around the word, and has the potential to fill this niche in cattle production in Florida. Four populations were selected in Gainesville and Ona. Florida: two cycles of selection for increased head number, one cycle for incresede leaf width and one cycle for grazing tolerance. The objetives of this research were to compare these populations morphologically to determine changesdue to selection. Selection for leaf width increased this trait while maintaining other morphological characteristics constant. Selection for head number decreased plant height and increased head number in each cycle, and decreased leaf width and inflorescence length in the second cycle. Selection for grazing regrowth resulted in reduced plant height and inflorescence length. Concern regarding susceptibility of setaria to chinch bug and possible winter killing in Florida remain to be resolved before this species may be commercialized in Florida. |
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Thesagro: |
Melhoramento Genético Vegetal; Morfologia Vegetal; Seleção; Setaria Sphacelata. |
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Thesaurus Nal: |
Inflorescences; Plant breeding; Plant morphology. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01989nam a2200241 a 4500
001 1322127
005 2024-11-04
008 2001 bl uuuu u00u1 u #d
100 1 $aJANK, L.
245 $aEffects of selection on morphological characteristics in Setaria sphacelata (Schumach.) moss.$h[electronic resource]
260 $aIn: INTERNATIONAL GRASSLAND CONGRESS, 19., 2001, São Pedro. Grassland ecosystems: an outlook into the 21st century: proceedings. Piracicaba: SBZ: FEALQ$c2001
300 $ap. 503-504.
500 $a(ID n. 12-17).
520 $aCattle production in Florida is limited by the lack of available warm-season forages adapted to the cool winters of the region Setaria (S.sphacelata) has demonstrated green growth during cool conditions in subtropical climates around the word, and has the potential to fill this niche in cattle production in Florida. Four populations were selected in Gainesville and Ona. Florida: two cycles of selection for increased head number, one cycle for incresede leaf width and one cycle for grazing tolerance. The objetives of this research were to compare these populations morphologically to determine changesdue to selection. Selection for leaf width increased this trait while maintaining other morphological characteristics constant. Selection for head number decreased plant height and increased head number in each cycle, and decreased leaf width and inflorescence length in the second cycle. Selection for grazing regrowth resulted in reduced plant height and inflorescence length. Concern regarding susceptibility of setaria to chinch bug and possible winter killing in Florida remain to be resolved before this species may be commercialized in Florida.
650 $aInflorescences
650 $aPlant breeding
650 $aPlant morphology
650 $aMelhoramento Genético Vegetal
650 $aMorfologia Vegetal
650 $aSeleção
650 $aSetaria Sphacelata
700 1 $aQUESENBERRY, K. H.
700 1 $aMISLEVY, P.
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Registro original: |
Embrapa Gado de Corte (CNPGC) |
