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| Registros recuperados: 26 | |
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| Begum,Tamina; Dasgupta,Tapash. |
| Three sesame genotypes (Rama, SI 1666 and IC 21706) were treated with physical (γ-rays: 200 Gy, 400 Gy or 600 Gy) or chemical (ethyl methane sulphonate, EMS: 0.5%, 1.0%, 1.5% or 2.0%) mutagens and their mutagenic effectiveness and efficiency were estimated in the M2 generation. The M3 generation was used to identify the most effective mutagen and dose for induction of mutations. The average effectiveness of EMS was much higher than γ-rays. The lowest dose of γ-rays (200 Gy) and the lowest concentration of EMS (0.5%) showed the highest mutagenic efficiency in all genotypes. Analysis of the M3 generation data based on parameters such as the variance ratio and the difference in residual variances derived from the model of Montalván and Ando indicated that... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Effectiveness; Efficiency; Mutagens; Quantitative characters; Sesame. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572010000400025 |
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| Ribeiro,Stelamaris B.; Pagnocca,Fernando C.; Victor,Sandra R.; Bueno,Odair C.; Hebling,Maria J.; Bacci Jr,Mauricio; Silva,Osvaldo A.; Fernandes,João B.; Vieira,Paulo C.; Silva,Maria F. G. F.. |
| The symbiotic fungus Leucoagaricus gongylophorus (Möller) Singer (syn. Rozites gongylophora Möller) cultivated by the leaf-cutting ant Atta sexdens L. had its development strongly inhibited by crude extracts obtained from leaves of sesame, Sesamum indicum L. (Pedaliaceae). With most of the fractions from these extracts total inhibition was observed at 2.5 mg/ml, whereas inhibition of 50% was observed with some fractions at 1.25 mg/ml. Chromatographic analysis of the hexane extract showed that it was composed by a mixture of fatty acids, of which tetradecanoic, hexadecanoic, octadecanoic, icosanoic, docosanoic and 9,12,15 octadecatrienoic acids were the major components. The separation of these compounds during the different steps of purification resulted... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Insecta; Hymenoptera; Sesame; Mutualistic fungus; Leaf-cutting ants. |
| Ano: 1998 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0301-80591998000300010 |
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| De Cassia PEREIRA,Viviane; ANESE,Simoni; IMATOMI,Maristela; Umeda GRISI,Patrícia; MONTE CANEDO,Enzo; JULIANO GUALTIERI,Sonia Cristina; RODRIGUES-FILHO,Edson. |
| This study was designed to test the effect of different fractions of ethanolic extracts of young (y) and mature (m) leaves of Serjania lethalis A. St- Hil (Sapindaceae) on sesame (Sesamum indicum L.) seedling growth and metaxylem cells. Crude ethanolic extracts were prepared from the powder of young and mature S. lethalis leaves and fractionated by means of column chromatography. For the seedling growth bioassay, sesame seeds germinated at concentrations of 0.8, 0.4 and 0.2 mg mL-1 were used. After seven days, the lengths of the aerial part and of the primary root were measured. The sesame metaxylem cell growth bioassay was performed with seedlings grown in solutions containing the different fractions in the same concentrations as above. The tested... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cerrado; Phytotoxicity; Sapindaceae; Sesame; Xylem development. |
| Ano: 2015 |
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-548X2015000100004 |
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| Ali,Ghulam M; Yasumoto,Sirato; Seki-Katsuta,Masumi. |
| Sesame (Sesamum indicum L.) is one of the oldest oil crops and is widely cultivated in Asia and Africa. To determine the level of genetic diversity in relation to geographical origins and morphological characteristics, a total of 96 accessions have been collected from different parts of the world and were analyzed using AFLP techniques. Twenty-one primer pairs generated a total of 445 bands and among them 157 (35%) were polymorphic. Using UPGMA clustering analysis method based on the similarity coefficient, accessions were separated into two major groups. The first group mostly consists of Eastern Asian origin and another group consists of South Asian origin. Sub-clusters separated the accessions and form distinct diversity among groups. Considering the... |
| Tipo: Journal article |
Palavras-chave: AFLP; Genetic diversity; Geographical origin; Morphology; Sesame. |
| Ano: 2007 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582007000100002 |
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| AGUIAR FILHO, S. P. de. |
| O gergelim (sesamum indicum L.) e uma oleaginosa conhecida em todo oriente. Apesar de ser conhecida no Brasil desde o tempo colonial, sob diferentes formas de manejo com utilização de sementes de baixa potencialidade produtiva e restrita, adoção de práticas de cultivo. Esta planta se destaca das demais oleaginosas, por apresentar elevado teor de óleo, chegando ate 60%, com média em torno de 50%, de alta qualidade e com múltiplas aplicações na alimentação humana, nas industrias químicas, farmaceutica, doméstica, entre outras. |
| Tipo: Comunicado Técnico (INFOTECA-E) |
Palavras-chave: Cultura alternativa; Comportamento; Pernambuco; Sertao; Sesame; Variety.; Gergelim; Planta oleaginosa; Sesamum Indicum; Variedade.. |
| Ano: 1984 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/131304 |
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| SHARMA, R. D.; AMABILE, R. F.. |
| RESUMO: Durante o mês de abril 1993, foi conduzido um levantamento preliminar de fitonematóides associados a 21 genótipos de gergelim (Sesamum indicum L.) em área experimental da Embrapa Cerrados, Planaltina, DF, Brasil. Quatro amostras de solo e de raízes foram coletadas de cada genótipo antes da colheita. Os nematóides foram extraídos de 100g de solo e de 10g de raízes, utilizando o método modificado de Coolen. Sete espécies de fitonematóides foram identificados nos genótipos de gergelim na seguinte frequência de ocorrência: Aphelenchoides sp. (100%), Ditylenchus sp. (100%), Pratylenchus brachyurus (100%), Helicotylenchus dihystera (67%), Paratrichodorus minor (67%), Criconemella ornata (48%) e Meloidogyne sp. (2%). A densidade média das populações de... |
| Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E) |
Palavras-chave: Sesame; Genotypes.; Cerrado; Gergelim; Genótipo; Nematóide; Sesamum Indicum.; Nematoda.. |
| Ano: 2004 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/563878 |
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| ARRIEL, N. H. C.; VIEIRA, D. J.; ANDRADE, F. P. de; BOUTY, F. de A. C.; COUTINHO, J. L. B.; AMIM, S. M. F.; ANTONIASSI, R.; FIRMINO, P. de T.; GUEDES, A. R.; ALENCAR, A. R. de; BIDO, L.. |
| bitstream/item/59993/1/COMTEC106.pdf |
| Tipo: Comunicado Técnico (INFOTECA-E) |
Palavras-chave: Melhoramento genetico; Brasil; Nordeste; Sesame; Genetic breeding.; Gergelim; Sesamum Indicum.. |
| Ano: 1999 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/271614 |
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| Registros recuperados: 26 | |
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