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Biblioteca(s): |
Embrapa Amapá. |
Data corrente: |
22/02/2011 |
Data da última atualização: |
22/02/2011 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
MARIANO, W. dos S.; YOSHIOKA, E. T. O.; RIBEIRO, T. M. P.; ALMEIDA, J. A. |
Afiliação: |
Wagner dos Santos Mariano, Docente do Curso de Licenciatura em Biologia da Universidade Federal de Tocantins. Campus Universitário de Araguaína.; ELIANE TIE OBA YOSHIOKA, CPAF-AP. |
Título: |
Peixes anuais e alterações ambientais - revisão de literatura. |
Ano de publicação: |
2010 |
Fonte/Imprenta: |
In: JORNADA DO MEIO AMBIENTE, SOCIEDADE CONTEMPORÂNEA E SUSTENTABILIDADE, 2010, Palmas, TO. Livro de resumos... Palmas, TO: Pedro & João Editores, 2010. |
Páginas: |
39-47 |
Idioma: |
Português |
Palavras-Chave: |
Pescado. |
Thesagro: |
Condição ambiental. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/28126/1/AP-2010-Artigo-evento-peixesanuais-Eliane.pdf
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Marc: |
LEADER 00592nam a2200169 a 4500 001 1878378 005 2011-02-22 008 2010 bl uuuu u00u1 u #d 100 1 $aMARIANO, W. dos S. 245 $aPeixes anuais e alterações ambientais - revisão de literatura. 260 $aIn: JORNADA DO MEIO AMBIENTE, SOCIEDADE CONTEMPORÂNEA E SUSTENTABILIDADE, 2010, Palmas, TO. Livro de resumos... Palmas, TO: Pedro & João Editores$c2010 300 $a39-47 650 $aCondição ambiental 653 $aPescado 700 1 $aYOSHIOKA, E. T. O. 700 1 $aRIBEIRO, T. M. P. 700 1 $aALMEIDA, J. A.
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Registro Completo
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
01/09/1997 |
Data da última atualização: |
14/06/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
PANDEY, S.; CEBALLOS, H.; MAGNAVACA, R.; BAHIA FILHO, A. F. C.; DUQUE-VARGAS, J.; VINASCO, L. E. |
Afiliação: |
EMBRAPA/CNPMS; EMBRAPA/CNPMS. |
Título: |
Gentics of tolerance to soil acidity in Tropical maize. |
Ano de publicação: |
1994 |
Fonte/Imprenta: |
Crop Science, Madison, v. 34, n. 6, p. 1511-1514, 1994. |
Idioma: |
Inglês |
Conteúdo: |
Maize (Zea mays L.) is grown on approximately eight million hectares of acid soils, where yields are low because of the toxicity of Al and Mn and deficiency in Ca, Mg, and P, Maize cultivars tolerant to soil acidity would increase yields on such soils. A diallel study was conducted involving six soil-acidity tolerance and two susceptible segregating populations to identify superior germplasm to develop cultivars for acid soils. The eight populations and their 28 crosses were evaluated in seven acidic soil environments. Tolerant populations averaged higher in yield (2,19 vs. 1.58 Mg ha -1; P<0,01), ears per plant (0,79 vs. 0.64; P<0,05), and ear height (61.6 vs. 51.4 cm; P<0,01), and fewer in days to silk (68.8 vs 69.7d; P<0,05) than the susceptible populations. Mean squares of parents vs. crosses were highly significant for yield, ear height, and ears per plant, and significant for days to silk, indicating heterosis for these traits. Crosses between tolerant populations tended to yield higher (3,00 Mg ha-1) those between tolerant and susceptible populations (2,40 Mg ha-1) and between susceptible populations (2.01 Mg ha-1). General combining ability (GCA) was highly significant for all traits, but specific combinig ability (SCA) was significant only for ears per plant.Reciprocal recurrent selection would be effective in developing superior cultivars for acid soils and should include populations 90SA-3 and 90SA-4 or CMS-36 for yellow endosperm cultivars and 90SA-6 and 90SA-7 for white endosperm cultivars. MenosMaize (Zea mays L.) is grown on approximately eight million hectares of acid soils, where yields are low because of the toxicity of Al and Mn and deficiency in Ca, Mg, and P, Maize cultivars tolerant to soil acidity would increase yields on such soils. A diallel study was conducted involving six soil-acidity tolerance and two susceptible segregating populations to identify superior germplasm to develop cultivars for acid soils. The eight populations and their 28 crosses were evaluated in seven acidic soil environments. Tolerant populations averaged higher in yield (2,19 vs. 1.58 Mg ha -1; P<0,01), ears per plant (0,79 vs. 0.64; P<0,05), and ear height (61.6 vs. 51.4 cm; P<0,01), and fewer in days to silk (68.8 vs 69.7d; P<0,05) than the susceptible populations. Mean squares of parents vs. crosses were highly significant for yield, ear height, and ears per plant, and significant for days to silk, indicating heterosis for these traits. Crosses between tolerant populations tended to yield higher (3,00 Mg ha-1) those between tolerant and susceptible populations (2,40 Mg ha-1) and between susceptible populations (2.01 Mg ha-1). General combining ability (GCA) was highly significant for all traits, but specific combinig ability (SCA) was significant only for ears per plant.Reciprocal recurrent selection would be effective in developing superior cultivars for acid soils and should include populations 90SA-3 and 90SA-4 or CMS-36 for yellow endosperm cultivars and 90SA-6 and 90SA-7 f... Mostrar Tudo |
Palavras-Chave: |
Al; Aluminium; Maize; Tolerance; Tolerancia. |
Thesagro: |
Acidez; Melhoramento; Milho; Zea Mays. |
Thesaurus NAL: |
acidity. |
Categoria do assunto: |
G Melhoramento Genético |
Marc: |
LEADER 02294naa a2200301 a 4500 001 1476100 005 2018-06-14 008 1994 bl uuuu u00u1 u #d 100 1 $aPANDEY, S. 245 $aGentics of tolerance to soil acidity in Tropical maize.$h[electronic resource] 260 $c1994 520 $aMaize (Zea mays L.) is grown on approximately eight million hectares of acid soils, where yields are low because of the toxicity of Al and Mn and deficiency in Ca, Mg, and P, Maize cultivars tolerant to soil acidity would increase yields on such soils. A diallel study was conducted involving six soil-acidity tolerance and two susceptible segregating populations to identify superior germplasm to develop cultivars for acid soils. The eight populations and their 28 crosses were evaluated in seven acidic soil environments. Tolerant populations averaged higher in yield (2,19 vs. 1.58 Mg ha -1; P<0,01), ears per plant (0,79 vs. 0.64; P<0,05), and ear height (61.6 vs. 51.4 cm; P<0,01), and fewer in days to silk (68.8 vs 69.7d; P<0,05) than the susceptible populations. Mean squares of parents vs. crosses were highly significant for yield, ear height, and ears per plant, and significant for days to silk, indicating heterosis for these traits. Crosses between tolerant populations tended to yield higher (3,00 Mg ha-1) those between tolerant and susceptible populations (2,40 Mg ha-1) and between susceptible populations (2.01 Mg ha-1). General combining ability (GCA) was highly significant for all traits, but specific combinig ability (SCA) was significant only for ears per plant.Reciprocal recurrent selection would be effective in developing superior cultivars for acid soils and should include populations 90SA-3 and 90SA-4 or CMS-36 for yellow endosperm cultivars and 90SA-6 and 90SA-7 for white endosperm cultivars. 650 $aacidity 650 $aAcidez 650 $aMelhoramento 650 $aMilho 650 $aZea Mays 653 $aAl 653 $aAluminium 653 $aMaize 653 $aTolerance 653 $aTolerancia 700 1 $aCEBALLOS, H. 700 1 $aMAGNAVACA, R. 700 1 $aBAHIA FILHO, A. F. C. 700 1 $aDUQUE-VARGAS, J. 700 1 $aVINASCO, L. E. 773 $tCrop Science, Madison$gv. 34, n. 6, p. 1511-1514, 1994.
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