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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
28/01/1998 |
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Data da última atualização: |
13/07/2018 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
LOPES, M. A.; PARENTONI, S. N.; MAGNAVACA, R. |
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Afiliação: |
SIDNEY NETTO PARENTONI, CNPMS; EMBRAPA-CNPMS. |
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Título: |
Adaptaciones morfologicas y fisiologicas en plantas de maiz sometidas a deficiencia de oxigeno en el suelo. |
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Ano de publicação: |
1988 |
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Fonte/Imprenta: |
In: SEMINARIO MEJORAMIENTO PARA TOLERANCIA A FACTORES AMBIENTALES ADVERSOS EN EL CULTIVO DEL MAIZ, 3., 1987, Quito. Anais... Quito: IICA: PROCIANDINO, 1988. p. 106-124. |
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Idioma: |
Espanhol |
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Conteúdo: |
El maiz en el Brasil se cultiva normalmente en el verano, cuando lluvias intensas son comunes y la saturacion o encharcamiento del perfil del suelo suele ocurrir. En condiciones de areas bajo riego, despues de la cosecha del arroz, el cultivo del maiz puede sufrir los efectos del encharcamiento por la elevacion del nivel freatico, por lluvias ocasionales y por la infiltracion de los canales de riego. En estas circunstancias, los cultivares que presentan tolerancia al "stress" de oxigeno tienen mayores posibilidades de resistir, minimizando los riesgos de perdidas. El cultivo del maiz ha sido poco estudiado en estas circunstancias y las experiencias actuales muestran que, a pesar de importantes, los trabajos conducidos en el campo con el objetivo de evaluar tolerancia son de dificil ejecucion dado que muchos factores no pueden ser controlados adecuadamente. Considerando la inmensa area del territorio brasileno, potencialmente utilizable para el cultivo del maiz que esta sujeta a deficiencias acasionales de oxigeno, el Centro Nacional de Investigacion de Maiz y Sorgo de la Empresa Brasilena de Investigacion Agropecuaria (CNPMS/EMBRAPA), viene desarrollando trabajos para detectar, cuantificar y manipular adaptaciones morfologicas y fisiologicas en las plantas de maiz sometidas a deficiencia de oxigeno. El presente trabajo tiene por objetivo reunir informaciones basicas sobre sistemas de suelo bajo condiciones de ausencia de oxigeno (anoxia) y, ademas, estudiar la reaccion de las plantas sometidas a esta condicion. MenosEl maiz en el Brasil se cultiva normalmente en el verano, cuando lluvias intensas son comunes y la saturacion o encharcamiento del perfil del suelo suele ocurrir. En condiciones de areas bajo riego, despues de la cosecha del arroz, el cultivo del maiz puede sufrir los efectos del encharcamiento por la elevacion del nivel freatico, por lluvias ocasionales y por la infiltracion de los canales de riego. En estas circunstancias, los cultivares que presentan tolerancia al "stress" de oxigeno tienen mayores posibilidades de resistir, minimizando los riesgos de perdidas. El cultivo del maiz ha sido poco estudiado en estas circunstancias y las experiencias actuales muestran que, a pesar de importantes, los trabajos conducidos en el campo con el objetivo de evaluar tolerancia son de dificil ejecucion dado que muchos factores no pueden ser controlados adecuadamente. Considerando la inmensa area del territorio brasileno, potencialmente utilizable para el cultivo del maiz que esta sujeta a deficiencias acasionales de oxigeno, el Centro Nacional de Investigacion de Maiz y Sorgo de la Empresa Brasilena de Investigacion Agropecuaria (CNPMS/EMBRAPA), viene desarrollando trabajos para detectar, cuantificar y manipular adaptaciones morfologicas y fisiologicas en las plantas de maiz sometidas a deficiencia de oxigeno. El presente trabajo tiene por objetivo reunir informaciones basicas sobre sistemas de suelo bajo condiciones de ausencia de oxigeno (anoxia) y, ademas, estudiar la reaccion de la... Mostrar Tudo |
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Palavras-Chave: |
Adaptacao; Adaptacion; Maize. |
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Thesagro: |
Anóxia; Deficiência; Milho; Oxigênio; Zea Mays. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/47194/1/Adaptaciones-morfologicas.pdf
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Marc: |
LEADER 02306nam a2200229 a 4500
001 1478768
005 2018-07-13
008 1988 bl uuuu u00u1 u #d
100 1 $aLOPES, M. A.
245 $aAdaptaciones morfologicas y fisiologicas en plantas de maiz sometidas a deficiencia de oxigeno en el suelo.$h[electronic resource]
260 $aIn: SEMINARIO MEJORAMIENTO PARA TOLERANCIA A FACTORES AMBIENTALES ADVERSOS EN EL CULTIVO DEL MAIZ, 3., 1987, Quito. Anais... Quito: IICA: PROCIANDINO, 1988. p. 106-124.$c1988
520 $aEl maiz en el Brasil se cultiva normalmente en el verano, cuando lluvias intensas son comunes y la saturacion o encharcamiento del perfil del suelo suele ocurrir. En condiciones de areas bajo riego, despues de la cosecha del arroz, el cultivo del maiz puede sufrir los efectos del encharcamiento por la elevacion del nivel freatico, por lluvias ocasionales y por la infiltracion de los canales de riego. En estas circunstancias, los cultivares que presentan tolerancia al "stress" de oxigeno tienen mayores posibilidades de resistir, minimizando los riesgos de perdidas. El cultivo del maiz ha sido poco estudiado en estas circunstancias y las experiencias actuales muestran que, a pesar de importantes, los trabajos conducidos en el campo con el objetivo de evaluar tolerancia son de dificil ejecucion dado que muchos factores no pueden ser controlados adecuadamente. Considerando la inmensa area del territorio brasileno, potencialmente utilizable para el cultivo del maiz que esta sujeta a deficiencias acasionales de oxigeno, el Centro Nacional de Investigacion de Maiz y Sorgo de la Empresa Brasilena de Investigacion Agropecuaria (CNPMS/EMBRAPA), viene desarrollando trabajos para detectar, cuantificar y manipular adaptaciones morfologicas y fisiologicas en las plantas de maiz sometidas a deficiencia de oxigeno. El presente trabajo tiene por objetivo reunir informaciones basicas sobre sistemas de suelo bajo condiciones de ausencia de oxigeno (anoxia) y, ademas, estudiar la reaccion de las plantas sometidas a esta condicion.
650 $aAnóxia
650 $aDeficiência
650 $aMilho
650 $aOxigênio
650 $aZea Mays
653 $aAdaptacao
653 $aAdaptacion
653 $aMaize
700 1 $aPARENTONI, S. N.
700 1 $aMAGNAVACA, R.
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Registro original: |
Embrapa Milho e Sorgo (CNPMS) |
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Biblioteca |
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Origem |
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Classificação |
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Registro |
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Registro Completo
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Biblioteca(s): |
Embrapa Café. |
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Data corrente: |
21/09/2022 |
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Data da última atualização: |
21/09/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
MOURA, W. de M.; PEDROSA, A. W.; OLIVEIRA, R. L. de; CECON, P. R.; FERRÃO, R. G.; FERRAO, M. A. G.; VERDIN FILHO, A. C. |
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Afiliação: |
WALDÊNIA DE MELO MOURA, EMPRESA DE PESQUISA AGROPECUÁRIA DE MINAS GERAIS; ADRIENE WOODS PEDROSA, UNIVERSIDADE FEDERAL DE VIÇOSA; REBECA LOURENÇO DE OLIVEIRA, EMPRESA DE PESQUISA AGROPECUÁRIA DO RIO DE JANEIRO; PAULO ROBERTO CECON, UNIVERSIDADE FEDERAL DE VIÇOSA; ROMÁRIO GAVA FERRÃO, FACULDADES DE ENSINO, PESQUISA E EXTENSÃO DE VITÓRIA/MULTIVIX; MARIA AMELIA GAVA FERRAO, CNPCa; ABRAÃO CARLOS VERDIN FILHO, INSTITUTO CAPIXABA DE PESQUISA, ASSISTÊNCIA TÉCNICA E EXTENSÃO RURAL. |
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Título: |
Selection of Conilon coffee clones for the Zona da Mata region of Minas Gerais, Brazil. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Coffee Science, v. 17, e171995, 2022. |
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Páginas: |
10 p. |
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DOI: |
https://doi.org/10.25186/.v17i.1995 |
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Idioma: |
Inglês |
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Conteúdo: |
Recently, the cultivation of Coffea canephora species has expanded as a consequence of climate change effects and emerging markets that use this coffee as raw material. To meet such demands of production, it is necessary to also improve yield in cultivated areas. Hence, this study aimed to evaluate Conilon coffee clones to identify the most promising fitting material for the Zona da Mata region of Minas Gerais, as well as to analyze the effect of the genotype x biennium interaction and estimate correlation coefficients among evaluated characteristics. Vegetative vigor, yield, main pests and diseases were evaluated in 36 clones from Incaper, ES. The statistical analyses considered the averages of each biennium: Biennium 1 (B1) - 2005/2006; Biennium 2 (B2) - 2007/2008; Biennium 3 (B3) - 2009/2010, and also the average of three biennia (A3B). Univariate and joint statistical analysis were performed, as well as estimates of phenotypic, genotypic and environmental correlation coefficients among assessed characteristics. A wide variability among clones was observed for most of the evaluated characteristics for both each biennium and the average of three biennia. The severities of most diseases have reduced over the years of cultivation. The genotypic correlation coefficients have overcome phenotypic and environmental ones. In general, pests and diseases severities showed significant and negative correlations with vegetative vigor and yield. On the other hand, the last two characteristics were positively correlated. It was also evidenced a certain diversity among clones for most of the evaluated traits. Clone x biennium interaction was significant only for yield and leaf rust severity. There are negative correlations among the characteristics associated with yield and pests and diseases occurrences, which make it possible the use of yield variable as a selection parameter. Clones 24, 23, 28, 26, 21, 29 and 06 MG/ES present a higher potential for cultivation in the Zona da Mata of Minas Gerais. MenosRecently, the cultivation of Coffea canephora species has expanded as a consequence of climate change effects and emerging markets that use this coffee as raw material. To meet such demands of production, it is necessary to also improve yield in cultivated areas. Hence, this study aimed to evaluate Conilon coffee clones to identify the most promising fitting material for the Zona da Mata region of Minas Gerais, as well as to analyze the effect of the genotype x biennium interaction and estimate correlation coefficients among evaluated characteristics. Vegetative vigor, yield, main pests and diseases were evaluated in 36 clones from Incaper, ES. The statistical analyses considered the averages of each biennium: Biennium 1 (B1) - 2005/2006; Biennium 2 (B2) - 2007/2008; Biennium 3 (B3) - 2009/2010, and also the average of three biennia (A3B). Univariate and joint statistical analysis were performed, as well as estimates of phenotypic, genotypic and environmental correlation coefficients among assessed characteristics. A wide variability among clones was observed for most of the evaluated characteristics for both each biennium and the average of three biennia. The severities of most diseases have reduced over the years of cultivation. The genotypic correlation coefficients have overcome phenotypic and environmental ones. In general, pests and diseases severities showed significant and negative correlations with vegetative vigor and yield. On the other hand, the last two characte... Mostrar Tudo |
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Thesaurus NAL: |
Coffea canephora var. laurentii; Genotype-environment interaction; Plant breeding. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1146698/1/Coffee-Science-Wal-MG.pdf
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Marc: |
LEADER 02796naa a2200253 a 4500
001 2146698
005 2022-09-21
008 2022 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.25186/.v17i.1995$2DOI
100 1 $aMOURA, W. de M.
245 $aSelection of Conilon coffee clones for the Zona da Mata region of Minas Gerais, Brazil.$h[electronic resource]
260 $c2022
300 $a10 p.
520 $aRecently, the cultivation of Coffea canephora species has expanded as a consequence of climate change effects and emerging markets that use this coffee as raw material. To meet such demands of production, it is necessary to also improve yield in cultivated areas. Hence, this study aimed to evaluate Conilon coffee clones to identify the most promising fitting material for the Zona da Mata region of Minas Gerais, as well as to analyze the effect of the genotype x biennium interaction and estimate correlation coefficients among evaluated characteristics. Vegetative vigor, yield, main pests and diseases were evaluated in 36 clones from Incaper, ES. The statistical analyses considered the averages of each biennium: Biennium 1 (B1) - 2005/2006; Biennium 2 (B2) - 2007/2008; Biennium 3 (B3) - 2009/2010, and also the average of three biennia (A3B). Univariate and joint statistical analysis were performed, as well as estimates of phenotypic, genotypic and environmental correlation coefficients among assessed characteristics. A wide variability among clones was observed for most of the evaluated characteristics for both each biennium and the average of three biennia. The severities of most diseases have reduced over the years of cultivation. The genotypic correlation coefficients have overcome phenotypic and environmental ones. In general, pests and diseases severities showed significant and negative correlations with vegetative vigor and yield. On the other hand, the last two characteristics were positively correlated. It was also evidenced a certain diversity among clones for most of the evaluated traits. Clone x biennium interaction was significant only for yield and leaf rust severity. There are negative correlations among the characteristics associated with yield and pests and diseases occurrences, which make it possible the use of yield variable as a selection parameter. Clones 24, 23, 28, 26, 21, 29 and 06 MG/ES present a higher potential for cultivation in the Zona da Mata of Minas Gerais.
650 $aCoffea canephora var. laurentii
650 $aGenotype-environment interaction
650 $aPlant breeding
700 1 $aPEDROSA, A. W.
700 1 $aOLIVEIRA, R. L. de
700 1 $aCECON, P. R.
700 1 $aFERRÃO, R. G.
700 1 $aFERRAO, M. A. G.
700 1 $aVERDIN FILHO, A. C.
773 $tCoffee Science$gv. 17, e171995, 2022.
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Embrapa Café (CNPCa) |
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