Electrical conductivity of soybean soaked seeds. I. Effect of genotype.

AUTOR(ES)

PANOBIANCO, M.

FONTE

Pesquisa Agropecuaria Brasileira

DATA DE PUBLICAÇÃO

2011

RESUMO

During the period from October/92 to September/94 experiments were carried out at the Seed Laboratory, FCA/UNESP, Jaboticabal, SP, Brazil, using soybean seeds of different genotypes in order to evaluate the effect of genotype on the electrical conductivity (bulk conductivity) of soaked seeds. Seed moisture content (105=3C, 24h), standard germination (four 50-seed samples, paper towel, 30C), and vigor-accelerated aging (42C,48h) were first detemined. Undamaged soybean seeds were soaked in deionized water (four 50-seed samples, 75 ml,25C,24h) and electrical conductivity (umhos.cm-1.g1) was measured. Significant differences in conductivity were observed among genotypes having the same pattern of germination and vigor. The results have showed that electrical onductivity can be significantly influenced by genotype.

ASSUNTO(S)

glycine max standard gemination accelareted aging germinacao envelhecimento acelarado

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