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Print version ISSN 0103-8478
LUDWIG, Marcos Paulo et al. Coating efficiency of soybean seeds in equipment with spray system. Cienc. Rural [online]. 2011, vol.41, n.4, pp.557-563. Epub Mar 11, 2011. ISSN 0103-8478. http://dx.doi.org/10.1590/S0103-84782011005000023.
The objective of this paper was to evaluate the treatment and coating of soybean seed using equipment with spray system Grazmec®. The experiment was carried out in the Faculdade de Agronomia Eliseu Maciel of the Universidade Federal de Pelotas, Rio Grande do Sul state, Brazil. The treatments were: 1) control (without equipment), 2) fungicide, 3) amino acid, 4) polymer, 5) fungicide + amino acid, 6) fungicide + insecticide, 7) fungicide + polymer, 8) fungicide + insecticide + polymer, 9) fungicide + amino acid + insecticide, all applied with the equipment. To evaluate the experiment the moisture content determination, field emergence, index of emergency speed, weight of 1000 seeds and intensity of coverage was carried out. The results showed that soybean seed treated and/or coated didn't reach more than 1% with the treatment. The field emergence, index of emergency speed and weight of 1000 seeds weren't affected by treatment and/or coating by spray system. The use of the polymer improves the seed coating when the spray system was used. However the equipment should be regulated when there is change of the product and/or seed to obtain an appropriate coating.
Keywords : storage; conditioning; Glycine max; seed treatment; moisture.