SciELO - Scientific Electronic Library Online

vol.34 número2Physiological maturity of fruits and seeds of Poincianella pyramidalis (Tul.) L.P. QueirozAccelerated aging of ipê seeds under controlled conditions of storage índice de autoresíndice de materiabúsqueda de artículos
Home Pagelista alfabética de revistas  

Revista Brasileira de Sementes

versión impresa ISSN 0101-3122


COSTA, Denis Santiago da; ROCHA, Cartiane Rubishirley Macêdo da  y  NOVEMBRE, Ana Dionisia da Luz Coelho. Hydric restriction as vigor assessment method of soybean seeds. Rev. bras. sementes [online]. 2012, vol.34, n.2, pp.241-246. ISSN 0101-3122.

The objective of this study was to investigate the possibility of using hydric restriction as a method for evaluating vigor of soybean seeds. The soybean seeds, cultivar BRS 245RR, represented by four different seed lots, were characterized by germination and vigor. For the treatment of hydric restriction and temperature, the combination of substrate water potential and temperature were the following: deionized water (0.0 MPa); polyethylene glycol (PEG 6000) aqueous solution (-0.1, -0.3 and -0.5 MPa); and four temperatures (20 ºC, 25 ºC, 30 ºC, and 35 ºC), respectively. A completely randomized experimental design was used, with four replications per treatment, and the ANOVA was performed individually for each combination of temperature and water potential of substrate. According to results obtained, the test of hydric restriction has the same efficiency of the accelerated aging test in estimating vigor of soybean seeds, cv. BRS 245RR, when water potentials of -0.1 MPa or -0.3 MPa at a temperature of 25 ºC, or -0.3 MPa at a temperature of 30 ºC are used.

Palabras clave : Glycine max; temperature; PEG6000; physiological potential.

        · resumen en Portugués     · texto en Inglés     · Inglés ( pdf )


Creative Commons License Todo el contenido de esta revista, excepto dónde está identificado, está bajo una Licencia Creative Commons