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Journal of Seed Science

Print version ISSN 2317-1537


JESUS, Valquíria Aparecida Mendes de et al. Immersion time in toxic solution for vigor evaluation of bean seeds. J. Seed Sci. [online]. 2014, vol.36, n.1, pp.108-113. ISSN 2317-1537.

Considering the lack of information about the optimal permanence time of bean seeds in toxic solutions, this work aimed to evaluate the effect of different immersion times to differ of the seeds vigor. It was used five seed lots of cultivar ‘Carnaval MG’. The seeds were immersed in a solution of ammonium chloride (1%) during 15, 30, 45, 60 and 75 minutes, in BOD at 40 ºC. Then, the seeds were washed and placed to germinate. Additionally, germination tests, first count, emergence speed index (SEI), seedling emergence, fresh and dry weight of seedlings were carried out. A completely randomized design and a factorial scheme 5 x 5 (seed lots and immersion times) with four replications were employed. Analysis of variance and regression were performed and the means were compared by Tukey’s test (α = 5%). Pearson correlation was performed among treatments in toxic solution and the other tests. It was verified that it is possible to estimate the seed vigor, from different lots of beans using the immersion of seeds in a toxic solution of ammonium chloride (1%) during 30 minutes.

Keywords : germination; NH4Cl; Phaseolus vulgaris.

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