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Registro Completo |
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Biblioteca(s): |
Embrapa Meio-Norte; Embrapa Milho e Sorgo. |
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Data corrente: |
12/08/2010 |
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Data da última atualização: |
25/07/2023 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
CARDOSO, M. J.; SILVA, A. R. da; GUIMARAES, L. J. M.; PARENTONI, S. N.; SETUBAL, J. W. |
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Afiliação: |
MILTON JOSE CARDOSO, CPAMN; ADELMO RESENDE DA SILVA, CNPMS; LAURO JOSE MOREIRA GUIMARAES, CNPMS; SIDNEY NETTO PARENTONI, CNPMS; JOSÉ W. SETUBAL, UFPI. |
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Título: |
Produtividade de espiga verde de milho sob diferentes níveis de nitrogênio. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Horticultura Brasileira, Brasília, DF, v. 28, n. 2, p. S3786-S3789, jul. 2010. Suplemento. |
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Idioma: |
Português |
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Notas: |
Edição dos Anais do 50º Congresso Brasileiro de Olericultura, Guarapari, jul. 2010. |
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Conteúdo: |
Com o objetivo de avaliar os efeitos de níveis de nitrogênio (N) na produtividade de espigas verdes de milho foi conduzido um experimento, sob irrigação, em solo Neossolo Flúvico, eutrófico, de textura média, no município de Teresina, Piauí, no período de setembro a novembro de 2009. Utilizou-se o delineamento experimental de blocos casualizados com quatro repetições e seis doses de N (0, 50, 100, 150, 200 e 250 kg ha-1). Foram observados efeitos quadráticos para rendimento de espigas verdes com e sem palha sendo os máximos rendimentos (21.374 kg ha-1 e 13.546 kg ha-1) obtidos com 160 kg de N ha-1 e 161 kg de N ha-1, respectivamente. O aumento médio nas produtividades de espigas verde com e sem palha devido ao N foram de 47 % e 59 %, respectivamente. O peso de espiga por planta foi o componente que mais contribuiu para a diferença entre os níveis de N aplicado no solo. |
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Palavras-Chave: |
Manejo cultural. |
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Thesagro: |
Fertilidade do Solo; Zea Mays. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/859863/1/ProdutividadeEspiga-24496.pdf
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Marc: |
LEADER 01627nam a2200205 a 4500
001 1859863
005 2023-07-25
008 2010 bl uuuu u00u1 u #d
100 1 $aCARDOSO, M. J.
245 $aProdutividade de espiga verde de milho sob diferentes níveis de nitrogênio.$h[electronic resource]
260 $aHorticultura Brasileira, Brasília, DF, v. 28, n. 2, p. S3786-S3789, jul. 2010. Suplemento.$c2010
500 $aEdição dos Anais do 50º Congresso Brasileiro de Olericultura, Guarapari, jul. 2010.
520 $aCom o objetivo de avaliar os efeitos de níveis de nitrogênio (N) na produtividade de espigas verdes de milho foi conduzido um experimento, sob irrigação, em solo Neossolo Flúvico, eutrófico, de textura média, no município de Teresina, Piauí, no período de setembro a novembro de 2009. Utilizou-se o delineamento experimental de blocos casualizados com quatro repetições e seis doses de N (0, 50, 100, 150, 200 e 250 kg ha-1). Foram observados efeitos quadráticos para rendimento de espigas verdes com e sem palha sendo os máximos rendimentos (21.374 kg ha-1 e 13.546 kg ha-1) obtidos com 160 kg de N ha-1 e 161 kg de N ha-1, respectivamente. O aumento médio nas produtividades de espigas verde com e sem palha devido ao N foram de 47 % e 59 %, respectivamente. O peso de espiga por planta foi o componente que mais contribuiu para a diferença entre os níveis de N aplicado no solo.
650 $aFertilidade do Solo
650 $aZea Mays
653 $aManejo cultural
700 1 $aSILVA, A. R. da
700 1 $aGUIMARAES, L. J. M.
700 1 $aPARENTONI, S. N.
700 1 $aSETUBAL, J. W.
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Registro original: |
Embrapa Meio-Norte (CPAMN) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agroenergia. Para informações adicionais entre em contato com cnpae.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agroenergia; Embrapa Meio-Norte; Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
01/11/2022 |
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Data da última atualização: |
29/11/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
SALGADO, F. F.; SILVA, T. L. C. da; VIEIRA, L. R.; SILVA, V. N. B.; LEAO, A. P.; COSTA, M. M. do C.; TOGAWA, R. C.; SOUSA, C. A. F. de; GRYNBERG, P.; SOUZA JUNIOR, M. T. |
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Afiliação: |
FERNANDA FERREIRA SALGADO, UNIVERSIDADE FEDERAL DE LAVRAS; THALLITON LUIZ CARVALHO DA SILVA, UNIVERSIDADE FEDERAL DE LAVRAS; LETÍCIA RIOS VIEIRA, UNIVERSIDADE FEDERAL DE LAVRAS; VIVIANNY NAYSE BELO SILVA, UNIVERSIDADE FEDERAL DE LAVRAS; ANDRE PEREIRA LEAO, CNPAE; MARCOS MOTA DO CARMO COSTA, Cenargen; ROBERTO COITI TOGAWA, Cenargen; CARLOS ANTONIO FERREIRA DE SOUSA, CPAMN; PRISCILA GRYNBERG, Cenargen; MANOEL TEIXEIRA SOUZA JUNIOR, CNPAE. |
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Título: |
The early response of oil palm (Elaeis guineensis Jacq.) plants to water deprivation: Expression analysis of miRNAs and their putative target genes, and similarities with the response to salinity stress. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Frontiers in Plant Science, n. 13, 970113, 2022. |
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DOI: |
10.3389/fpls.2022.970113 |
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Idioma: |
Inglês |
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Conteúdo: |
Oil palm (Elaeis guineensis Jacq.) is a oilseed crop of great economic importance drastically affected by abiotic stresses. MicroRNAs (miRNAs) play crucial roles in transcription and post-transcription regulation of gene expression, being essential molecules in the response of plants to abiotic stress. To better understand the molecular mechanisms behind the response of young oil palm plants to drought stress, this study reports on the prediction and characterization of miRNAs and their putative target genes in the apical leaf of plants subjected to 14 days of water deprivation. Then, the data from this study were compared to the data from a similar study that focused on salinity stress. Both, the drought-and salt-responsive miRNAs and their putative target genes underwent correlation analysis to identify similarities and dissimilarities among them. Among the 81 identified miRNAs, 29 are specific for oil palm, including two (egu-miR28ds and egu-miR29ds) new ones ? described for the first time. As for the expression profile, 62 miRNAs were significantly differentially expressed under drought stress, being five up-regulated (miR396e, miR159b, miR529b, egu-miR19sds, and egu-miR29ds) and 57 down-regulated. Transcription factors, such as MYBs, HOXs, and NF-Ys, were predicted as putative miRNA-target genes in oil palm under water deprivation; making them the most predominant group of such genes. Finally, the correlation analysis study revealed a group of putative target genes with similar behavior under salt and drought stresses. Those genes that are upregulated by these two abiotic stresses encode lncRNAs and proteins linked to stress tolerance, stress memory, modulation of ROS signaling, and defense response regulation to abiotic and biotic stresses. In summary, this study provides molecular evidence for the possible involvement of miRNAs in the drought stress response in oil palm. Besides, it shows that, at the molecular level, there are many similarities in the response of young oil palm plants to these two abiotic stresses. MenosOil palm (Elaeis guineensis Jacq.) is a oilseed crop of great economic importance drastically affected by abiotic stresses. MicroRNAs (miRNAs) play crucial roles in transcription and post-transcription regulation of gene expression, being essential molecules in the response of plants to abiotic stress. To better understand the molecular mechanisms behind the response of young oil palm plants to drought stress, this study reports on the prediction and characterization of miRNAs and their putative target genes in the apical leaf of plants subjected to 14 days of water deprivation. Then, the data from this study were compared to the data from a similar study that focused on salinity stress. Both, the drought-and salt-responsive miRNAs and their putative target genes underwent correlation analysis to identify similarities and dissimilarities among them. Among the 81 identified miRNAs, 29 are specific for oil palm, including two (egu-miR28ds and egu-miR29ds) new ones ? described for the first time. As for the expression profile, 62 miRNAs were significantly differentially expressed under drought stress, being five up-regulated (miR396e, miR159b, miR529b, egu-miR19sds, and egu-miR29ds) and 57 down-regulated. Transcription factors, such as MYBs, HOXs, and NF-Ys, were predicted as putative miRNA-target genes in oil palm under water deprivation; making them the most predominant group of such genes. Finally, the correlation analysis study revealed a group of putative target genes with... Mostrar Tudo |
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Palavras-Chave: |
LncRNA. |
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Thesaurus NAL: |
Abiotic stress; Non-coding RNA; Transcription factors; Transcriptome. |
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Categoria do assunto: |
--
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 03046naa a2200301 a 4500
001 2147993
005 2022-11-29
008 2022 bl uuuu u00u1 u #d
024 7 $a10.3389/fpls.2022.970113$2DOI
100 1 $aSALGADO, F. F.
245 $aThe early response of oil palm (Elaeis guineensis Jacq.) plants to water deprivation$bExpression analysis of miRNAs and their putative target genes, and similarities with the response to salinity stress.$h[electronic resource]
260 $c2022
520 $aOil palm (Elaeis guineensis Jacq.) is a oilseed crop of great economic importance drastically affected by abiotic stresses. MicroRNAs (miRNAs) play crucial roles in transcription and post-transcription regulation of gene expression, being essential molecules in the response of plants to abiotic stress. To better understand the molecular mechanisms behind the response of young oil palm plants to drought stress, this study reports on the prediction and characterization of miRNAs and their putative target genes in the apical leaf of plants subjected to 14 days of water deprivation. Then, the data from this study were compared to the data from a similar study that focused on salinity stress. Both, the drought-and salt-responsive miRNAs and their putative target genes underwent correlation analysis to identify similarities and dissimilarities among them. Among the 81 identified miRNAs, 29 are specific for oil palm, including two (egu-miR28ds and egu-miR29ds) new ones ? described for the first time. As for the expression profile, 62 miRNAs were significantly differentially expressed under drought stress, being five up-regulated (miR396e, miR159b, miR529b, egu-miR19sds, and egu-miR29ds) and 57 down-regulated. Transcription factors, such as MYBs, HOXs, and NF-Ys, were predicted as putative miRNA-target genes in oil palm under water deprivation; making them the most predominant group of such genes. Finally, the correlation analysis study revealed a group of putative target genes with similar behavior under salt and drought stresses. Those genes that are upregulated by these two abiotic stresses encode lncRNAs and proteins linked to stress tolerance, stress memory, modulation of ROS signaling, and defense response regulation to abiotic and biotic stresses. In summary, this study provides molecular evidence for the possible involvement of miRNAs in the drought stress response in oil palm. Besides, it shows that, at the molecular level, there are many similarities in the response of young oil palm plants to these two abiotic stresses.
650 $aAbiotic stress
650 $aNon-coding RNA
650 $aTranscription factors
650 $aTranscriptome
653 $aLncRNA
700 1 $aSILVA, T. L. C. da
700 1 $aVIEIRA, L. R.
700 1 $aSILVA, V. N. B.
700 1 $aLEAO, A. P.
700 1 $aCOSTA, M. M. do C.
700 1 $aTOGAWA, R. C.
700 1 $aSOUSA, C. A. F. de
700 1 $aGRYNBERG, P.
700 1 $aSOUZA JUNIOR, M. T.
773 $tFrontiers in Plant Science$gn. 13, 970113, 2022.
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Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
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