10 documents found, page 1 of 1
Accelerated ageing test and enzymatic expression in the evaluation of kale seed...
Sales, Thais Silva; Nery, Marcela Carlota; Andrade Júnior, Valter Carvalho de; Pires, Raquel Maria de Oliveira; Sousa, Tiago de OliveiraThe demand for high-quality vegetable seeds and the production of vigorous seedlings has increased in recent years, as these characteristics are determining factors of production success. Vegetables are growing in national importance, and kale stands out as an important source of income for small farmers. The objective of this study was to adapt the traditional accelerated aging test methodology with a saturate...
Morphological and physiological germination aspects of Anadenanthera colubrina ...
Nery, Fernanda Carlota; Nery, Marcela Carlota; Prudente, Débora de Oliveira; Alvarenga, Amauri Alves de; Paiva, RenatoAnadenanthera colubrina is a species native to Brazil, from the Fabaceae family and has potential for use in the timber industry, in the reforestation of degraded areas, besides having medicinal properties. Its propagation is mainly by seeds, but basic subsidies regarding the requirements for optimal germination conditions are still lacking. Aiming to contribute to the expansion of its cultivation, rational use...
Vigor tests for evaluation of crambe (Crambe abyssinica Hochst) seed quality
Dias, Denise Cunha Fernandes dos Santos; Cruz, Sara Michelly; Nery, Marcela Carlota; Rocha, Adriana de Souza; Pinho, Édila Vilela de Resende VonO objetivo deste estudo foi adequar a metodologia dos testes de envelhecimento acelerado (EA) e condutividade elétrica (CE) para avaliar a qualidade de sementes de crambe, bem como verificar a atividade enzimática nessa semente em relação às diferenças de vigor. Para isso sementes de crambe (cv FMS Brilhante) foram submetidas ao teste EA, durante 0, 24, 48, 72 e 96 h, a 42 ºC, com e sem solução saturada de NaCl...
Classificação fisiológica de sementes florestais quanto a tolerância à dessecaç...
Soares, Giuliana Cristina Mourão; Nery, Marcela Carlota; Davide, Antonio Cláudio; Silva, Edvaldo Aparecido Amaral da; Nery, Fernanda CarlotaObjetivou-se, com essa pesquisa, realizar a classificação quanto a tolerância à dessecação e a capacidade de armazenamento de sementes de cinco espécies florestais de matas ciliares da bacia do Alto Rio Grande, no Estado de Minas Gerias. Sementes de Casearia sylvestris Swart (Salicaceae), Qualea grandiflora Mart. (Vochysiaceae), Guarea kunthiana A. Juss. (Meliaceae), Eremanthus incanus Less. (Asteraceae), Proti...
Determinação de espécies bioindicadoras de resíduos de herbicidas auxínicos
Santos, Daiana Pereira dos; Braga, Renan Rodrigues; Guimarães, Fernanda Aparecida Rodrigues; Passos, Ana Beatriz Rocha de Jesus; Silva, Daniel ValadãoHerbicidas que apresentam atividade residual no solo podem se tornar problema para os cultivos agrícolas, pela possibilidade de intoxicar culturas sucessoras. No caso dos hormonais, há grande dificuldade na determinação de resíduos pela técnica do bioensaio, em função da variação na resposta em crescimento, apresentada pela espécie indicadora. Neste trabalho, objetivou-se determinar espécies e variáveis sensíve...
Accelerated ageing test and behaviour investigation of isoenzymes in sesame seeds
Nery, Marcela Carlota; Rocha, Adriana de Souza; Pinho, Édila Vilela de Resende Von; Santos, Heloisa Oliveira dos; Fialho, Cintia Maria TeixeiraThe seeds of a sesame crop contain approximately 50% oil content, one of the main reasons for their cultivation. However, information regarding methodologies for the assessment of quality seeds of this culture are scarce. Therefore, the objective of this study was to adapt the methods of accelerated ageing tests for sesame seeds and investigate changes in the behaviour of isoenzymes. The physiological character...
Image analysis of coffee seeds submitted to the LERCAFE test
Ribeiro, Bárbara Gomes; Abrahão, Christovão Pereira; Nery, Marcela Carlota; Nascimento, Rodrigo Marques; Rezende, Juliana CostaThe aim of this experiment was to quantify the stained areas of coffee seeds submitted to the LERCAFE test using image analysis. The seeds used were of the Catuaí Vermelho IAC 99 and Paradise cultivars. The physiological quality of the lots was assessed using germination tests, moisture content and a germination speed index. The LERCAFE test was conducted using seeds without parchment immersed in a solution of ...
Tetrazolium test to evaluate the viability of oil radish seeds
Nery, Marcela Carlota; Nery, Fernanda Carlota; Pires, Raquel Maria de OliveiraThe use of tetrazolium test is important in the evaluation of seeds lot quality and it has been adopted for vigor and viability identification for several species. The interest on the production of oil radish is increasing since the seeds were considered a good source of oil for biofuel production. The development of the tetrazolium test methodology for seeds of this species can improve the seed quality control...
Classificação fisiológica de sementes florestais quanto a tolerância à dessecaç...
Nery, Marcela Carlota; Davide, Antonio Cláudio; Silva, Edvaldo Aparecido Amaral da [UNESP][; Soares, Giuliana Cristina Mourão; Nery, Fernanda CarlotaMade available in DSpace on 2015-02-02T12:39:25Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-09-01Bitstream added on 2015-02-02T13:08:38Z : No. of bitstreams: 1 S0104-77602014000300018.pdf: 202127 bytes, checksum: 12db96e88b30df9a6cf087376ff30278 (MD5); Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); Coordenação de Ap...
Tetrazolium test in the evaluation of watermelon physiological seed quality
Nery, Marcela Carlota; Carvalho, Maria Laene Moreira de; Oliveira, Luciana Magda deThe tetrazolium test is one of the most promising methods to estimate in a fast way viability and vigor of seeds. Its usage in watermelon seeds requires some care with the imbibition and handling due to presence of mucilaginous layer adherent to the tegument. The objective of this research work was to define the imbibition time and the method of scarification for removing the mucilage, during pre – conditioning...