Busca de Publicações
Filtrar por:
 Autoria: GALLI, V.; MESSIAS, R. da S.; SILVA, S. D. dos A. e; MARGIS, R.
|
 Autoria: PEREIRA, S. R.; LIMA, A. E. da S.; CONTREIRAS-RODRIGUES, A. P. D'A.; OLIVEIRA, D. R. de; LAURA, V. A. Priming is one of the several physiological methods used to increase the performance of seeds. To evaluate the effects of priming, seeds of Urochloa brizantha cv. Xaraés were primed under different os... ... |
 Autoria: JUNIOR, E. A. J.; MERTZ, L. M.; HENNING, F. A.; PESKE, S. T.; VILLELA, F. A.; LABBÉ, L. M. B. ABSTRACT: The aim of this study was to identify the ideal maize seed harvest moment by different characteristics, as black layer formation, milk line development, seed moisture content and seed dry ma... ... |
 Autoria: GALLI, V.; MESSIAS, R. da S.; SILVA, S. D. dos A. e; MARGIS, R.
|
 Autoria: SILVA, J. de J.; GOMES, R. A.; FERREIRA, M. A. R.; PELACANI, C. R.; DANTAS, B. F. Tetrazolium test (TZT) can quickly evaluate in detail the viability and vigor of seeds. This study aimed to determine the optimal conditions for conducting the TZT on seeds of Handroanthus spongiosus.... ... |
 Autoria: COSTA, C. J.; MENEGHELLO, G. E.; JORGE, M. H. A.; COSTA, E. This review showshow the physiological component of the quality of seedshas influenced the agricultural process for the most diverse crops, notedly, for major crops, forages,or vegetables. It is highl... ... |
 Autoria: GALLI.; MESSIAS, R. da S.; SILVA, S. D. dos A. e; MARGIS, R.
|
 Autoria: MENEZES, V. O.; LOPES, S. J.; TEDESCO, S. B.; HENNING, F. A.; ZEN, H. D.; HENNING, L. M. M. Several studies have been developed to understand the physiology of seed deterioration, however, the initial steps of the deterioration process are not completely clear. Seed vigor and viability losse... ... |
 Autoria: CARVALHO, M. V. de; MORAES, P. I. C.; COELHO, S. V. B.; FIGUEIREDO, M. A. de; VILELA, A. L. O.; SOUZA, A. C. de; ROSA, S. D. V. F. da The vigor tests are important tools used in the internal quality control by the seed companies. The accelerated aging test is a sensitive method for assessing the vigor of seed lots, as well as for es... ... |
 |
 |
 Autoria: MAZAROTTO, E. J.; PIMENTEL, I. C.; ABREU, D. C. A. de; SANTOS, A. F. dos Peroba rosa (Aspidosperma polyneuron) is a native forest species endangered due to intense predatory exploitation. The objective of this study was to evaluate the association and fungi transmission in... ... |
 Autoria: AVELINO, A. C. D.; FARIA, D. A. de; CABRAL, C. E. A.; ABREU, J. G. de; CAMILI, E. C.; SALES, K. C.; BUNGENSTAB, D. J. Data regarding the mixing of palisade grass seeds with fertilizers are scarce and contradictory. The aim of this study was to evaluate the maximum contact time without significant damage on physiologi... ... |
 Autoria: ORNELLAS, F. L. S.; SOUSA, A. O. de; ARAÚJO, M. do N.; BARBOSA, R. M.; DANTAS, B. F. Rapid tests that allow the assessment of physiological potential are essential parameters for quality seed and seedling production programs. The aim of this work was to establish parameters of a metho... ... |
 Autoria: SANTOS, H. O. dos; DUTRA, S. M. F.; PEREIRA, R. W.; PIRES, R. M. De O.; VON PINHO, E. V. de R.; ROSA, S. D. V. F. da; CARVALHO, L. M. de The objective in this research was to study the physiological and biochemical alterations in habanero pepper during the development and after the natural and controlled drying. The experiments were co... ... |
 Autoria: COELHO, S. V. B.; ROSA, S. D. V. F. da; FANTAZZINI, T. B.; BAUTE, J. L.; SILVA, L. C. Coffee is one of the main agricultural commodities in the country, and it is important to conservation of plant material for breeding programs. Cryopreservation is a promising alternative for preservi... ... |
 Autoria: FÁVARIS, N. A. B.; ROSA, S. D. V. F. da; FIGUEIREDO, M. A. de; COELHO, S. V. B.; VILELA, A. L. de O.; PADILHA, L. Coffee seeds are sensitive to desiccation and are used or stored with different moisture content values, which may affect the results of quality assessment. The aim of this study was to evaluate the c... ... |
 Autoria: CHRISTRO, L. F.; AMARAL, J. F. T.; LAVIOLA, B. G.; MARTINS, L. D.; AMARAL, C. F.
|
 Autoria: CARVALHO, T. C. de; KRZYZANOWSKI, F. C.; OHLSON, O. de C.; PANOBIANCO, M. ABSTRACT: The assessment of the germination test in wheat seeds varies from 4 to 15 days, because the species normally presents dormancy in freshly harvested seeds. The tetrazolium test can characteri... ... |
 Autoria: GRZYBOWSKI, C. R. de S.; SILVA, R. C. da; VIEIRA, E. S. N.; PANOBIANCO, M. The objective was to study the processing of Vernonanthura discolor seeds, evaluating their physical and physiological qualities and defining parameters for purity analysis and determine the weight of... ... |
 Autoria: VILELA, A. L. O.; ROSA, S. D. V. F. da; COELHO, S. V. B.; PEREIRA, C. C.; SOUZA, A. C. de; RIBEIRO, F. A. S. Coffee seeds rapidly lose viability during storage, which hinders the development of vigorous seedlings for crop establishment. There are reports that seed endosperm is more sensitive to deterioration... ... |
 Autoria: COELHO, S. V. B.; ROSA, S. D. V. F. da; FANTAZZINI, T. B.; SILVA, L. C. Seeds of the Coffea canephora species are considered more recalcitrant than those of the Coffea arabica species. They tolerate partial dehydration and they cannot be stored in conventional seed banks... ... |
 Autoria: MIRESKI, M. C.; MEDEIROS, A. C. de S.; WENDLING, I.; PEÑA PEÑA, M. L.; LAZZAROTTO, M.
|
 Autoria: SILVA, S. A. C. G. da; SANTOS, A. G. DOS; LOGES, V.; SOUZA, F. H. D. de; ROSA, R. C. T. DA
|
 Autoria: FARIAS, L. A. A. de; DANTAS, B. F. Global efforts to restore ecosystems have increased the demand for seeds of native species, both from tree-shrub and herbaceous strata. However, little is known about seed ecology or germination of ma... ... |
 Autoria: NASCENTE, A. S.; FAGUNDES, P. R. R.; MONDO, V. H. V.; LACERDA, M. C. ABSTRACT. The high price of rice hybrid seeds is one of the major limiting factors for increasing the use of this technology. An important step toward minimizing high rice hybrid seed cost is developi... ... |
 Autoria: COELHO, S. V. B; ROSA, S. D. V. F. da; FERNANDES, J. S. Coffee seeds are sensitive to desiccation and to storage. Advances in the technique of cryopreservation of these seeds have been achieved in recent years, and the aim of this study was to evaluate Cof... ... |
 Autoria: FIGUEIREDO, M. A. de; ROSA, S. D. V. F. da; RICALDONI, M. A.; PEREIRA, C. C.; COELHO, S. V. B. Cryopreservation is a technique that may potentially conserve the germplasm of species of the Coffea genus for an indeterminate time. The aim of this study was to evaluate the physiological, biochemic... ... |
 |
 Autoria: RICALDONI, M. A.; ROSA, S. D. V. F. da; CARDOSO, F. P.; FIGUEIREDO, M. A. de; VILELA, A. L.; COELHO, S. V. B.; FÁVARIS, N. A. B. Recalcitrant and intermediate seeds have limitations regarding conservation because of their sensitivity to desiccation and response to storage. Establishing a method for seed storage is difficult bec... ... |
 Autoria: SILVA, T. W. R.; SANTOS, A. F. dos; AUER, C. G.; TESSMANN, D. J. This study analyzes the in vitro antagonistic activity of Trichoderma sp. isolates against Fusarium subglutinans and evaluates the effect of the pine seeds treatment with Trichoderma sp. on the incide... ... |
 Autoria: ÁVILA, M. R.; BRACINI, A. de L.; ALBRECHT, L. P.; SCAPIM, C. A.; MANDARINO, J. M. G.; BAZO, G. L.; CABRAL, Y. C. F. The objective in this research was to evaluate the isoflavone content and the physiological quality of seed from conventional and transgenic soybean cultivars before and after 180 days of storage. Twe... ... |
 Autoria: CARVALHO, T. C. de; KRZYZANOWSKI, F. C.; OHLSON, O. de C.; PANOBIANCO, M. The tetrazolium test is widely used for seed vigor assessment of various plant species. For wheat, however, there is no methodology specifically recommended. This study aimed at determining an efficie... ... |
 Autoria: TEIXEIRA, R. N.; SILVA, E. A. A.; CAVARIANI, C.; FRANÇA-NETO, J. B.; LIGTERINK, W.; HILHORST, H. W. M.
|
 Autoria: MIRESKI, M. C.; BUHRER, C. de B.; HELM, C. V.; WENDLING, I.; VIEIRA, E. S. N.; SANTOS, A. F. dos; NOGUEIRA, A. C. Polifenóis em sementes de erva-mate: potenciais inibidores da germinação. Devido aos seus potenciais econômicos, sociais e ecológicos, a erva-mate pode ser uma fonte de emprego e renda na região sul d... ... |
 Autoria: CUNHA, N. B. da; MURAD, A. M.; VIANNA, G. R.; RECH FILHO, E. L.
|
 Autoria: FERREIRA, E. C.; NOGUEIRA, A. R. de A.; SOUZA, G. B. de; BATISTA, L. A. R. Total phenols and condensed tannins in Pigeon pea seeds were determined by flow injection spectrophotometry. Folin-Denis and vanillin assays were used for total phenol and condensed tannin, respective... ... |
 |
 |
 Autoria: NASCIMENTO, W. M. O.; NOVEMBRE, A. D. L. C.; CICERO, S. M. The present work was carried out with the purpose of verifying the effects of seed moisture and air temperature in the maintenance of seed quality |
 Autoria: SANTOS, M. R. A. dos; OLIVEIRA, M. A. de; OLIVEIRA, C. L. L. G. de The aim of this study was to evaluate different treatments for breaking dormancy of seeds of M. caesalpiniaefolia. The seeds were collected at the Experimental Field of Embrapa Rondonia, in Porto Velh... ... |
 Autoria: KEGNE, T. W.; AGUIAR, A. V. de; WREGE, M. S.; SOUSA, V. A. de; SOUZA, B. M. de; LOPES, M. T. G. The aim of this study was to determine the forest species trees and shrubs that occur in the Amhara region, Ethiopia, for determining the possible areas for collecting seeds and propagations to meet g... ... |
 Autoria: COELHO, S. V. B.; ROSA, S. D. V. F. da; CLEMENTE, A. da C. S.; PEREIRA, C. C.; FIGUEIREDO, M. A. de; REIS, L. V. Preservation of the quality of coffee seeds is hindered by their intermediate behavior in storage. However, long-term storage at sub zero temperatures may be achieved by adjusting the water content of... ... |
 Autoria: SILVA, M. dos S.; RODRIGUES, T. C.; AUD, F. F.; SEREJO, J. A. dos S.; AMORIM, E. P. Considering there is no illustrated scale of the principle anomalies observed for banana seeds, the objective of this guide is to cover in detail, for the first time, the categories to classify the mo... ... |
 Autoria: SANTOS, F. C. dos; ROSA, S. D. V. F. da; COELHO, S. V. B.; CLEMENTE, A. C. S.; FANTAZZINI, T. B.; PEREIRA, C. C.; CAIXETA, F.; FÁVARIS, N. A. B.; BAÚTE, J. L. During maturation in seeds, metabolic processes dependent on gene expression are controlled by hormones, including abscisic acid and gibberellin. These hormones determine dormancy or the capacity for... ... |
 Autoria: SILVA. D. A. da; CARPENTIERI-PIPOLO, V.; BARRETO, T.; ABDELNOOR, R. V.; MARIN, S. R. R.; CARRAO-PANIZZI, M. C. Abstract: unitz trypsin inhibitor (KTI), which affects protein digestibility and lipoxygenase isozymes, responsible for the off-flavor associated with soy-based foods, are two undesirable factors pres... ... |
 Autoria: SOUZA, A. G.; SMIDERLE, O. J.; PEDROZO, C. A. The aim of this study was to evaluate the vigour and physiological quality of seeds of Pochota fendleri in two weight classes, stored in different types of packaging over a period of 28 months. The ex... ... |
 Autoria: MARTINS, A. B. N.; CARVALHO, I. R.; COSTA, C. J.; MARQUES, F. S.; MARQUES, R. L. L.; XAVIER, F. Da M.; CAVALCANTE, J. A.; VERGARA, R. DE O.; TEIXEIRA, S. B.; BOHN, A.; TUNNES, L. V. M. DE; MACEDO, V. K.; REIS, B. B. DOS; SUNNE, A. DOS S.; MORAES, D. M. DE The aimed to evaluate the effect of packages and different environment conditions in the maintenance of physiologic quality of Amaranthus cruentus seeds in the period of 300 days. The seeds used were... ... |
 Autoria: FERREIRA, I. A.; FÁVARIS, N. A. B.; ROSA, S. D. V. F. da; COELHO, S. V. B.; RICALDONI, M. A.; COSTA, M. C. The causes of the low desiccation tolerance and low longevity of coffee seeds have not yet been fully elucidated, and a full understanding of their complex physiology is of great interest. Among sever... ... |
 Autoria: ABREU, L. A. de S.; VEIGA, A. D.; VON PINHO, E. V. de R.; MONTEIRO, F. F.; ROSA, S. D. V. F. da The technology developed by breeding programs is applied to coffee seeds; however, after processing and drying, they lose viability within a short period of time, thus making storage unsuitable. The o... ... |
 Autoria: CARVALHO, N. D. M.; SOARES, S. K. B.; ASSUNÇÃO, E. N.; ANGELO, P. C. S.; ASTOLFI-FILHO, S.; ATROCH, A. L. The aim of this work was to evaluate dinucleotide repeats in 5,969 guarana fruits ans seeds transcriptional units (ESTs singlets and contigs) recorded in the REALGENE databank and compare to the genom... ... |
 Autoria: PENIDO, A. C.; REIS, V. U. V.; REZENDE, E. M. de; ROCHA, D. K.; OLIVEIRA, J. A.; ROSA, S. D. V. F. da Coffee seeds are classified as intermediate because they have low tolerance to desiccation and low longevity. Consequently, moisture control and storage conditions are important factors in maintaining... ... |
 Autoria: SILVA-JAMES, N. K.; NOGUEIRA, R. I.; FREITAS, S. P.
|
 Autoria: LOPES R. M.; BRASILEIRO, A. C.; JOSE, S. R.; PADUA, J. G.; DANTAS, A. F.; GRISOLIA, C. K.; GIMENES, M. A.
|
 |
 Autoria: JOAQUIM, P. I. L.; MOLINARI, M. D. C.; MARIN, S. R. R.; BARBOSA, D. A.; VIANA, A. J. C.; RECH, E. L.; HENNING, F. A.; NEPOMUCENO, A. L.; MERTZ-HENNING, L. M.
|
 Autoria: REIS, R. C. R.; DANTAS, B. F.; CASTRO, R. D. de; ANTUNES, C. G. C.; SILVA, F. F. S. da; PELACANI, C. R. O presente estudo foi desenvolvido para avaliar o efeito do armazenamento na mobilização de açúcares e proteínas e as possíveis modificações dessas macromoléculas de reserva durante a germinação de se... ... |
 Autoria: CUNHA, N. B.; MURAD, A. M.; RAMOS G. L.; MARANHÃO, A. Q.; BRIGIDO, M. de; ARAUJO, A. C. G. de; LACORTE, C. C.; ARAGAO, F. J. L.; COVAS, D. T.; FONTES, A. M.; SOUZA, G. H. M. F.; VIANNA, G. R.; RECH FILHO, E. L.
|
 Autoria: REIS, C. C.; FREITAS, S. P.; LORENTINO, C. M. A.; FAGUNDES, T. DA S. F.; MATTA, V. M. da; SANTOS, A. L. S. DOS; MOREIRA, D. L. L. T.; KUNIGAMI, C. N.; JUNG, E. P.; RIBEIRO, L. DE O. The present work aimed to obtain bioproducts from Passiflora cincinnata seeds, the Brazilian Caatinga passion fruit, as well as to determine their physical, chemical and biological properties. The see... ... |
 Autoria: LIMA, F. B. de; PASSOS, A. M. A. dos; SILVA, J. B. da; AVILA, R. G.; MAIA, M. P. The objective of this study was to evaluate the physiological quality of sorghum seeds under water stress. For the experiment, five lots of sorghum seeds with the same genotype (CMX5156A) and differen... ... |
 Autoria: SOUZA, B. F.; DANTAS, B. F.; ARAGÃO, C. A. The germination of pepper seeds, even under favorable conditions, is slow and disuniform, requiring the use of techniques which help to speed up the germination and uniform emergence in the field. The... ... |
 Autoria: KRZYZANOWSKI, F. C.; LORINI, I.; FRANÇA-NETO, J. B.; HENNING, A. A. ABSTRACT - Fumigation is a technique employed to eliminate insect pests in stored seeds by using gas. The aim of the experiment was to evaluate the effect of the gas phosphine on germination and on vi... ... |
 Autoria: SMIDERLE, O. J.; SILVA NETO, M. L.; SOUZA, A. das G.; ZILLI, J. E.; SILVA, K. da The fast expansion of annual crops in recent decades with little phytosanitary management has led to the dissemination of several pathogens in the Brazilian cowpea-producing regions. Although, seed tr... ... |
 Autoria: BALDONI, A. B.; CARVALHO, M. H. DE.; SOUSA, N. L.; NOBREGA, M. B. de M.; MILANI, M.; ARAGÃO, F. J. L. The objective of this work was to evaluate ricin concentration in castor bean seeds (Ricinus communis) of 20 accessions from the Banco de Germoplasma de Mamoneira of the Embrapa Algodão, Campina Grand... ... |
 Autoria: PIASECKI, C.; MAZON, A. S.; AGOSTINETTO, D.; VARGAS, L. ABSTRACT - High seed production and dispersal capacity and glyphosate resistance are among the main factors that have made hairy fleabane (Conyza bonariensis) one of the most important and dispersed w... ... |
 Autoria: LIBÓRIO, C. B. de; VERZIGNASSI, J. R.; FERNANDES, C. D.; VALLE, C. B. do; LIMA, N. D.; MONTEIRO, L. C. ABSTRACT: In this study, the aim was to determine the influence of potassium nitrate, using different concentrations and immersion times on the dormancy of the seeds of Brachiaria humidicola cv. ?BRS... ... |
 Autoria: BARROS, J. R. A.; ANGELOTTI, F.; SANTOS, J. de O.; SILVA, R. M. e; DANTAS, B. F.; MELO, N. F. de Temperature is one of the climatic elements that affect most the germination process and seedling development. Thus, the objective of this study was to evaluate the germination and seedling developmen... ... |
 Autoria: PEREIRA, R. B.; TORRES, T. B.; SILVA, P. P. da; LUCAS, G. C.; PINHEIRO, J. B.; NASCIMENTO, W. M. ABSTRACT: This study aimed at evaluating the method of inoculation of carrot seeds in a potato-dextrose-agar medium (PDA) added of mannitol. Alternaria radicina was the fungus chosen to test such meth... ... |
 Autoria: CASSIANO, C. V.; SILVA, P. P. da; PINEIRO, D. T.; DIAS, D. C. F. dos S.; MORAIS, A. A. DE; NASCIMENTO, W. M. Thus, this study aimed to determine physiological and enzymatic changes during the maturation process of melon seeds of the cultivar BRS Anton, obtained from fruits at different maturation stages and... ... |
 Autoria: ZUCHI, J.; FRANÇA-NETO, J. B.; SEDIYAMA, C. S.; LACERDA FILHO, A. F. de; REIS, M. S. ABSTRACT: Storage is an important step in the production of soybean seeds, mainly in tropical regions, where high temperatures can drastically reduce seed quality. The storage at cooler temperatures m... ... |
 Autoria: SILVA, R. de C. B. da; ARAÚJO, M. do N.; ORNELLAS, F. L. S.; DANTAS, B. F. Given that watermelon is a crop widespread around the world, there is considerable interest in verifying how its seeds physiologically behave under unfavorable temperature conditions. This study aimed... ... |
 Autoria: SILVA, A. C. A. da; TRINDADE, R. dos S.; MARIZ, B. L.; RIBEIRO, M. R.; NETTO, D. A. M.; PARELLA, N. N. L. D.; TRINDADE, B. M. C.; SOUZA, I. R. P. de; GUIMARAES, L. J. M.; GUIMARAES, P. E. de O. The objective of the present work was to evaluate the physiological quality in seeds of haploidy inducers of different types and origins. To this end, between December 2015 and March 2016, a series of... ... |
 Autoria: GALLEP, C. M.; AMARAL, E. M. do; ALONCO, G. C.; MALUF, M. P.; PADILHA, L. Nine coffee seeds samples submitted to different post-harvest treatments were tested in terms of ultra-weak delayed luminescence and induced to germinate afterwards. Hyperbolic decay function was used... ... |
 Autoria: AQUINO, D. A. L. de; SANTOS, C. A. F.; SILVA, D. O. M. da The aim of this study was to estimate adaptability and stability parameters in genotypes of cowpea for the yield of immature seeds and pods and mature dried seeds, in order to enable the recommendatio... ... |
 Autoria: ASSIS, G. M. L. de; VALENTIM, J. F.; ANDRADE, C. M. S. de Forage peanut (Arachis pintoi) is a forage legume of relatively recent use in beef and dairy cattle feeding. Although it is native exclusively to Brazil, the first culti-var, Amarillo, was released in... ... |
Observações
1 - Por padrão são exibidas publicações dos últimos 20 anos. Para encontrar publicações mais antigas, configure o filtro ano de publicação, colocando o ano a partir do qual você deseja encontrar publicações. O filtro está na coluna da esquerda na busca acima.
2 - Para ler algumas publicações da Embrapa (apenas as que estão em formato ePub), é necessário ter, no celular ou computador, um desses softwares gratuitos. Sistemas Android: Google Play Livros; IOS: iBooks; Windows e Linux: software Calibre.
Acesse outras publicações
Acesse a Base de Dados da Pesquisa Agropecuária (BDPA) para consultar o acervo completo das bibliotecas da Embrapa.