Soybean seed inoculation with Bradyrhizobium using a spouted bed

Authors: Barrozo, M.A.S.; Lucas, K.B.C.; Duarte, C.R.

Source: Seed Science and Technology, Volume 36, Number 1, April 2008 , pp. 89-98(10)

Publisher: International Seed Testing Association

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Abstract:

In this work the spouted bed technique was used to inoculate soybean seeds. The effect of the coating process variables on soybean seed quality was investigated. The studied variables were the air flow rate, the atomization air flow rate and the suspension flow rate. The used statistical methodology enables to obtain empirical equations fitted to the experimental data for predicting soybean seed quality (germination, vigour and fissures) as a function of the investigated variables. To find the optimum operating conditions a canonical analysis of the fitted surfaces was made. The results show that the quality of the coated seeds tended to decrease, when the atomization air and the spouting air flow rate increased. The optimum operational conditions maximizing seed germination and vigour are: spouting air flow rate, 39 l/s; atomization air flow rate, 850 l/h and suspension flow rate, 12 ml/min.

Document Type: Research article

Publication date: 2008-04-01

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Seed Science and Technology (SST) is one of the leading international journals featuring original papers and review articles on seed quality and physiology as related to seed production, harvest, processing, sampling, storage, distribution and testing. This widely recognised journal is designed to meet the needs of researchers, advisers and all those involved in the improvement and technical control of seed quality.
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