The use of film coating on the performance of treated corn seed

  • Avelar S
  • Sousa F
  • Fiss G
  • et al.
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Abstract

The main objective of seed coating technology using polymers is to improve the physical, physiological and sanitary characteristics of seed performance. The objectives of the present study were to determine: the plantability of corn seeds treated with insecticide, fungicide and graphite, covered with a film coating; the dust retention on treated corn seeds; and the leaching of applied products on corn seeds covered by a film coating. Seed plantability was determined by counting the skips and double seeds; dust was determined by using fiberglass paper in mg.100 g-1 of seeds; and the leaching was determined by collecting the material leached in a 10 cm layer of sand after irrigation. The following conclusions were made: seeds covered with film coating effectively reduce skips and double seeds; film coating effectively reduces the formation of dust from the seeds; film coated seeds minimize the leaching of the insecticide applied in seed treatment; and there are differences in effectiveness related to film coating type and dosage.A tecnologia do recobrimento de sementes com uso de polímeros tem como principal objetivo melhorar o desempenho de sementes em relação aos atributos físicos, fisiológicos e sanitários. Nesse contexto, os objetivos desse estudo foram determinar: a plantabilidade de sementes de milho tratadas com inseticida, fungicida e grafite, cobertas com film coating; a retenção de poeira em sementes de milho tratadas; e a lixiviação de produtos aplicados em sementes de milho recobertas por film coating. A plantabilidade das sementes foi determinada pela contagem de falhas e duplas. A poeira foi determinada usando papéis de fibra de vidro em mg.100 g-1 de sementes. A lixiviação foi determinada pela coleta de material lixiviado em uma camada de 10 cm de areia após irrigação. As seguintes conclusões foram obtidas: sementes recobertas com film coating reduzem falhas e duplas na semeadura; film coating reduz formação de poeira nas sementes; sementes recobertas por film coating apresentam menores índices de lixiviação de inseticida aplicado no tratamento de sementes; e há diferença em eficiência em relação ao tipo de film coating e na dosagem utilizada.

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APA

Avelar, S. A. G., Sousa, F. V. de, Fiss, G., Baudet, L., & Peske, S. T. (2012). The use of film coating on the performance of treated corn seed. Revista Brasileira de Sementes, 34(2), 186–192. https://doi.org/10.1590/s0101-31222012000200001

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