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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
11/06/1998 |
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Data da última atualização: |
07/10/2003 |
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Autoria: |
INFELD, J. A.; SILVEIRA JUNIOR, P. |
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Título: |
Epoca de colheita e rendimento de engenho de quatro cultivares de arroz irrigado. |
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Ano de publicação: |
1984 |
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Fonte/Imprenta: |
Pesquisa Agropecuaria Brasileira, Brasilia, v.19, n.5, p. 599-604, maio 1984. |
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Idioma: |
Português |
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Conteúdo: |
O objetivo deste estudo, realizado em Pelotas, RS, foi o de indicar a melhor epoca de colheita, associada com teor de umidade e rendimento de engenho, das cultivares Lebonnet, Bluebelle, EEA-406 e IRGA-408. Para tanto foi conduzido um experimento durante os anos de 1979/80, 1980/81 e 1981/82. Foram colhidas amostras de cinco em cinco dias, num intervalo de 20 a 40 dias apos a flroacao. Determinou-se a umidade e o rendimento de engenho das amostras. O maximo rendimento de graos inteiros da cv. Lebonnet foi de 64,9%, aos 34 dias apos a floracao (18,5% de umidade); o da "Bluebelle" foi de 60,4% de graos inteiros, aos 38 dias apos a floracao com 19,5% de umidade; para as cultivares EEA-406 e IRGA-408, os rendimentos maximos foram de 59,6% e 57,6%, aos 36 dias apos a floracao para ambas e umidade de 24% e 22%, respectivamente. |
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Palavras-Chave: |
Head rice; Milled rice; Moisture content; Oryza sativa L; Umidade na colheita. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01405naa a2200193 a 4500
001 1104735
005 2003-10-07
008 1984 bl uuuu u00u1 u #d
100 1 $aINFELD, J. A.
245 $aEpoca de colheita e rendimento de engenho de quatro cultivares de arroz irrigado.
260 $c1984
520 $aO objetivo deste estudo, realizado em Pelotas, RS, foi o de indicar a melhor epoca de colheita, associada com teor de umidade e rendimento de engenho, das cultivares Lebonnet, Bluebelle, EEA-406 e IRGA-408. Para tanto foi conduzido um experimento durante os anos de 1979/80, 1980/81 e 1981/82. Foram colhidas amostras de cinco em cinco dias, num intervalo de 20 a 40 dias apos a flroacao. Determinou-se a umidade e o rendimento de engenho das amostras. O maximo rendimento de graos inteiros da cv. Lebonnet foi de 64,9%, aos 34 dias apos a floracao (18,5% de umidade); o da "Bluebelle" foi de 60,4% de graos inteiros, aos 38 dias apos a floracao com 19,5% de umidade; para as cultivares EEA-406 e IRGA-408, os rendimentos maximos foram de 59,6% e 57,6%, aos 36 dias apos a floracao para ambas e umidade de 24% e 22%, respectivamente.
653 $aHead rice
653 $aMilled rice
653 $aMoisture content
653 $aOryza sativa L
653 $aUmidade na colheita
700 1 $aSILVEIRA JUNIOR, P.
773 $tPesquisa Agropecuaria Brasileira, Brasilia$gv.19, n.5, p. 599-604, maio 1984.
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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Registro Completo
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
18/10/2011 |
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Data da última atualização: |
12/06/2023 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
MARTINS, A. C. Q.; MORGANTE, C. V.; SANTOS, C. M. R.; SILVA, F. R. da; ARAÚJO, A. C. G.; BERTIOLI, D. J.; BERTIOLI, S. C. de M. L.; GUIMARAES, P. M.; BRASILEIRO, A. C. M. |
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Afiliação: |
UnB; CAROLINA VIANNA MORGANTE, CPATSA; UnB; UnB; UnB; SORAYA CRISTINA DE M LEAL BERTIOLI, CENARGEN; PATRICIA MESSEMBERG GUIMARAES, CENARGEN; ANA CRISTINA MIRANDA BRASILEIRO, CENARGEN. |
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Título: |
A transcriptional approach for identifying genes related to drought stress. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONFERENCE OF THE PEANUT RESEARCH COMMUNITY ON ADVANCES IN ARACHIS THROUGH GENOMICS AND BIOTECNOLOGY, 5., 2011, Brasília, DF. Book of abstracts... Brasília, DF: Embrapa Genetic Researces and Biotecnology, 2011. |
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Páginas: |
p. 77. |
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Idioma: |
Inglês |
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Conteúdo: |
Stress-responsive mechanisms triggered in plants under drought stress affect plant growth and cause serious limitation to crop productivity. Due to its high genetic diversity and adaptation to a range of environments, wild relatives of peanut constitute a rich source of allele diversity for resistance to biotic and abiotic stresses. Based on previous data and as a 6rst step to identify drought-responsive genes inArachis, the wild specieA. magna, accession KG30097, was selected as it showed high adaptability to water stress conditions. The transcriptome of A. magna leaves subrnitted to gradual water stress was analyzed. Subtractive libraries were constructed with cDNA from leaf tissues of stressed and well-watered control plants. Subtractive hybridization was performed in both directions: cD A from stressed plants was used as driver and afterwards as tester, allowing for the enrichment of genes either induced or inhibited during water stress. In silicoanalysis revealed 759 reads, which were grouped into 249 clusters, with a novelty index of 32,8%. Several up and downregulated genes were identi6ed exclusively in stressed or control conditions. The expression proíile of some differentially regulated genes was validated by real time PCR, using cDNA Erom roots and leafs of stressed and control plants. Glycine descarboxilase, metallothionein-like protein, drought stress responsive protein, and two unknown proteins were shown to be up-regulated and the gene coding for a disease responsive protein was down-regulated. The information produced in this study is a valuable resource for gene identi6cation, characterization of new wild alleles, and development of molecular markers. MenosStress-responsive mechanisms triggered in plants under drought stress affect plant growth and cause serious limitation to crop productivity. Due to its high genetic diversity and adaptation to a range of environments, wild relatives of peanut constitute a rich source of allele diversity for resistance to biotic and abiotic stresses. Based on previous data and as a 6rst step to identify drought-responsive genes inArachis, the wild specieA. magna, accession KG30097, was selected as it showed high adaptability to water stress conditions. The transcriptome of A. magna leaves subrnitted to gradual water stress was analyzed. Subtractive libraries were constructed with cDNA from leaf tissues of stressed and well-watered control plants. Subtractive hybridization was performed in both directions: cD A from stressed plants was used as driver and afterwards as tester, allowing for the enrichment of genes either induced or inhibited during water stress. In silicoanalysis revealed 759 reads, which were grouped into 249 clusters, with a novelty index of 32,8%. Several up and downregulated genes were identi6ed exclusively in stressed or control conditions. The expression proíile of some differentially regulated genes was validated by real time PCR, using cDNA Erom roots and leafs of stressed and control plants. Glycine descarboxilase, metallothionein-like protein, drought stress responsive protein, and two unknown proteins were shown to be up-regulated and the gene coding for a disease res... Mostrar Tudo |
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Palavras-Chave: |
Diversidade genética; Estresse hídrico. |
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Thesagro: |
Amendoim; Marcador Molecular; Planta. |
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Thesaurus NAL: |
Peanuts. |
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Categoria do assunto: |
G Melhoramento Genético |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/131239/1/ID-45694.pdf
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Marc: |
LEADER 02684nam a2200289 a 4500
001 1903303
005 2023-06-12
008 2011 bl uuuu u00u1 u #d
100 1 $aMARTINS, A. C. Q.
245 $aA transcriptional approach for identifying genes related to drought stress.
260 $aIn: INTERNATIONAL CONFERENCE OF THE PEANUT RESEARCH COMMUNITY ON ADVANCES IN ARACHIS THROUGH GENOMICS AND BIOTECNOLOGY, 5., 2011, Brasília, DF. Book of abstracts... Brasília, DF: Embrapa Genetic Researces and Biotecnology$c2011
300 $ap. 77.
520 $aStress-responsive mechanisms triggered in plants under drought stress affect plant growth and cause serious limitation to crop productivity. Due to its high genetic diversity and adaptation to a range of environments, wild relatives of peanut constitute a rich source of allele diversity for resistance to biotic and abiotic stresses. Based on previous data and as a 6rst step to identify drought-responsive genes inArachis, the wild specieA. magna, accession KG30097, was selected as it showed high adaptability to water stress conditions. The transcriptome of A. magna leaves subrnitted to gradual water stress was analyzed. Subtractive libraries were constructed with cDNA from leaf tissues of stressed and well-watered control plants. Subtractive hybridization was performed in both directions: cD A from stressed plants was used as driver and afterwards as tester, allowing for the enrichment of genes either induced or inhibited during water stress. In silicoanalysis revealed 759 reads, which were grouped into 249 clusters, with a novelty index of 32,8%. Several up and downregulated genes were identi6ed exclusively in stressed or control conditions. The expression proíile of some differentially regulated genes was validated by real time PCR, using cDNA Erom roots and leafs of stressed and control plants. Glycine descarboxilase, metallothionein-like protein, drought stress responsive protein, and two unknown proteins were shown to be up-regulated and the gene coding for a disease responsive protein was down-regulated. The information produced in this study is a valuable resource for gene identi6cation, characterization of new wild alleles, and development of molecular markers.
650 $aPeanuts
650 $aAmendoim
650 $aMarcador Molecular
650 $aPlanta
653 $aDiversidade genética
653 $aEstresse hídrico
700 1 $aMORGANTE, C. V.
700 1 $aSANTOS, C. M. R.
700 1 $aSILVA, F. R. da
700 1 $aARAÚJO, A. C. G.
700 1 $aBERTIOLI, D. J.
700 1 $aBERTIOLI, S. C. de M. L.
700 1 $aGUIMARAES, P. M.
700 1 $aBRASILEIRO, A. C. M.
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