Teste de condutividade elétrica para a avaliação do potencial fisiológico de sementes de brócolis

• Autor(a) principal: Magro, Felipe Oliveira [UNESP]
• Data de Publicação: 2011
• Outros Autores: Salata, Ariane da Cunha [UNESP], Higuti, Andréa Reiko Oliveira [UNESP], Cardoso, Antonio Ismael Inácio [UNESP]
• Tipo de documento: Artigo
• Idioma: por
• Título da fonte: Repositório Institucional da UNESP
• Texto Completo: http://www.nucleus.feituverava.com.br/index.php/nucleus/article/view/455; http://hdl.handle.net/11449/140983
• topic: Brassica oleracea var. italica; Imbibition period; Germination; Vigor; Brassica oleracea var. itálica; Período de embebição; Germinação; Vigor

This experiment was conducted to evaluate the effect of water volumes and imbibition period in electrical conductivity of broccoli seeds. The experimental design was entirely randomized, with three lots of broccoli seeds and four replicates. The seeds were classified into different vigor levels, according to the standard germination test conducted. For the electrical conductivity test, 50 seeds per plot were used at temperature of 25 ° C, and it was evaluated two volumes of distilled water (25 and 50 mL). The readings were performed after 1, 2, 3, 4, 6, 8 and 24 hours, with values expressed in µS cm-1 g-1 . Water volumes did not differ in the classification of seed lots, although the volume of 25 mL have shown higher values. Only the readings taken at 1 and 2 hours of soaking were found differences among lots, following the trend of the germination test. After 3 hours of soaking no difference was observed. Smaller periods of soaking are more efficient to detect differences in vigor of broccoli seeds.