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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
03/10/2016 |
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Data da última atualização: |
25/04/2017 |
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Autoria: |
MIRANDA FILHO, J. B.; REIS, E. F. |
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Afiliação: |
JOSÉ BRANCO MIRANDA FILHO, ESALQ, PIRACICABA, SP.; EDÉSIO FIALHO REIS, UFG, Regional Jataí, GO. |
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Título: |
Genetic enhancement of semi-exotic maize germplasm. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Revista Brasileira de Milho e Sorgo, Sete Lagoas, v. 15, n. 2, p. 346-356, 2016. |
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DOI: |
10.18512/1980-6477/rbms.v15n2p346-356 |
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Idioma: |
Inglês |
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Conteúdo: |
The characterization of 26 populations with varying levels of exotic germplasm was conducted in two environments representing distinct locations and planting seasons. The whole set was identified by five subsets: I - local adapted germplasm; II - exotic derived from tropical germplasm; III - semi-exotic derived from tropical germplasm; IV - semi-exotic derived from varying proportion of tropical and temperate germplasm; and V - semi-exotic derived from temperate germplasm. In the experiment -I (Anhembi, SP; three replications) the mean yield (EW - ear weight, t ha-1) for the five sets were 9.49, 8.88, 9.11, 8.68 and 8.51; which are equivalent to 79.5, 74.4, 76.3, 72.7 and 71.3 in percent of the hybrid check. Means for other traits (E10-weight of ten ears, EL-ear length, ED - ear diameter, and TB - tassel branch number) were also shown. In the experiment -II (Piracicaba, SP; no replications), the following traits were evaluated: EW, GW (grain weight), GR (grain yield ratio), MF (days to male flowering), and SW (specific weight). A low correlation (0.220) was observed for EW between environments. In general, the populations under study presented a fairly good potential to be used in breeding programs. |
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Palavras-Chave: |
Exotic germplasm; Population improvement. |
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Thesagro: |
Germoplasma; Melhoramento vegetal; Milho. |
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Thesaurus Nal: |
Plant breeding. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 01880naa a2200217 a 4500
001 2054008
005 2017-04-25
008 2016 bl uuuu u00u1 u #d
024 7 $a10.18512/1980-6477/rbms.v15n2p346-356$2DOI
100 1 $aMIRANDA FILHO, J. B.
245 $aGenetic enhancement of semi-exotic maize germplasm.$h[electronic resource]
260 $c2016
520 $aThe characterization of 26 populations with varying levels of exotic germplasm was conducted in two environments representing distinct locations and planting seasons. The whole set was identified by five subsets: I - local adapted germplasm; II - exotic derived from tropical germplasm; III - semi-exotic derived from tropical germplasm; IV - semi-exotic derived from varying proportion of tropical and temperate germplasm; and V - semi-exotic derived from temperate germplasm. In the experiment -I (Anhembi, SP; three replications) the mean yield (EW - ear weight, t ha-1) for the five sets were 9.49, 8.88, 9.11, 8.68 and 8.51; which are equivalent to 79.5, 74.4, 76.3, 72.7 and 71.3 in percent of the hybrid check. Means for other traits (E10-weight of ten ears, EL-ear length, ED - ear diameter, and TB - tassel branch number) were also shown. In the experiment -II (Piracicaba, SP; no replications), the following traits were evaluated: EW, GW (grain weight), GR (grain yield ratio), MF (days to male flowering), and SW (specific weight). A low correlation (0.220) was observed for EW between environments. In general, the populations under study presented a fairly good potential to be used in breeding programs.
650 $aPlant breeding
650 $aGermoplasma
650 $aMelhoramento vegetal
650 $aMilho
653 $aExotic germplasm
653 $aPopulation improvement
700 1 $aREIS, E. F.
773 $tRevista Brasileira de Milho e Sorgo, Sete Lagoas$gv. 15, n. 2, p. 346-356, 2016.
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Registro original: |
Embrapa Milho e Sorgo (CNPMS) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Agricultura Digital. Para informações adicionais entre em contato com cnptia.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agricultura Digital. |
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Data corrente: |
20/12/2010 |
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Data da última atualização: |
27/01/2020 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
BROWN, J. C.; KASTENS, J. H.; COUTINHO, A. C.; VICTORIA, D. de C.; PAZ, A. R. da. |
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Afiliação: |
J. CHRISTOPHER BROWN, University of Kansas; JUDE H. KASTENS, University of Kansas; ALEXANDRE CAMARGO COUTINHO, CNPTIA; DANIEL DE CASTRO VICTORIA, CNPM; ADRIANO ROLIM DA PAZ, CNPM. |
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Título: |
Agricultural intensification and forest conversion in the Brazilian Amazon. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
In: ASSOCIATION OF AMERICAN GEOGRAPHERS ANNUAL MEETING, 2010, Washington, DC. [Abstracts...]. [S.l: s.n.], 2010. |
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Páginas: |
Não paginado. |
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Idioma: |
Inglês |
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Conteúdo: |
Norman Borlaug, the so-called "Father of the Green Revolution," hypothesized that modern agriculture, through high yields, has helped minimize the areal extent of agriculture, thus saving natural environments around the world, especially in the tropics, from being converted to cropland. We ask how much of the recent increase in total mechanized agricultural production in the Brazilian Amazon originates from activities on recently deforested lands, and how much originates from non-forested lands? The answer to this question will be used to test the Borlaug hypothesis. The hypothesis is often the very basis for agricultural development and environmental conservation strategies throughout the world, but it has rarely been tested empirically. This project will conduct such a test over nearly all mechanized agricultural areas in the Brazilian Amazon. This test is novel: it links increases in total production to precise land use and land cover changes comprising the two factors of the total production equation - area and yield ? in a spatially and temporally explicit way using remotely sensed data. We also discuss the implications of the results for development policy in the region. |
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Thesagro: |
Agricultura; Desmatamento; Soja. |
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Thesaurus NAL: |
Agriculture; Deforestation; Soybeans. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01926nam a2200241 a 4500
001 1870379
005 2020-01-27
008 2010 bl uuuu u00u1 u #d
100 1 $aBROWN, J. C.
245 $aAgricultural intensification and forest conversion in the Brazilian Amazon.$h[electronic resource]
260 $aIn: ASSOCIATION OF AMERICAN GEOGRAPHERS ANNUAL MEETING, 2010, Washington, DC. [Abstracts...]. [S.l: s.n.]$c2010
300 $aNão paginado.
520 $aNorman Borlaug, the so-called "Father of the Green Revolution," hypothesized that modern agriculture, through high yields, has helped minimize the areal extent of agriculture, thus saving natural environments around the world, especially in the tropics, from being converted to cropland. We ask how much of the recent increase in total mechanized agricultural production in the Brazilian Amazon originates from activities on recently deforested lands, and how much originates from non-forested lands? The answer to this question will be used to test the Borlaug hypothesis. The hypothesis is often the very basis for agricultural development and environmental conservation strategies throughout the world, but it has rarely been tested empirically. This project will conduct such a test over nearly all mechanized agricultural areas in the Brazilian Amazon. This test is novel: it links increases in total production to precise land use and land cover changes comprising the two factors of the total production equation - area and yield ? in a spatially and temporally explicit way using remotely sensed data. We also discuss the implications of the results for development policy in the region.
650 $aAgriculture
650 $aDeforestation
650 $aSoybeans
650 $aAgricultura
650 $aDesmatamento
650 $aSoja
700 1 $aKASTENS, J. H.
700 1 $aCOUTINHO, A. C.
700 1 $aVICTORIA, D. de C.
700 1 $aPAZ, A. R. da
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Embrapa Agricultura Digital (CNPTIA) |
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