Growth, Productivity and Quality of Soybean Grains, Submitted to Different Seed Treatments

Mádilo Lages Vieira Passos, Lusiane de Sousa Ferreira, Késsia Tenório Figueirinha, Jarlyson Brunno Costa Souza, Antonio Gabriel da Costa Ferreira, Carlos Augusto Alves Cardoso Silva, Eduardo Arouche da Silva, Edmilson Igor Bernardo Almeida, José Roberto Brito Freitas and Washington da Silva Sousa

Journal of Agricultural Science, 2019, vol. 11, issue 11, 274

Abstract: The protection conferred via chemical treatment of seeds is indispensable to the normal development of crops, with a view to the best use of its productive potential. The objective of this study was to evaluate the soybean crop response, cultivate ‘FTS Paragominas RR’, to seed treatment. The study was conducted in an experimental area of the Center of Agrarian and Environmental Sciences of the Federal University of Maranhão, in Chapadinha (MA), from February to June 2018. A randomized complete block design was used, with split-plot in time. The plots consisted of five seed treatments- thiophanate-methyl + fluazinam fungicides, fludioxonil, carbendazim + thiram, the insecticide fipronil and the absence of the application. Throughout the crop cycle the agronomic characteristics were verified- plant height, stem diameter, and leaf area. And, at the time of harvesting, grain yield, the height of insertion of the first pod, the total number of pods and weight of 1000 grains. Seed treatments induced very variable responses on the growth and development of soybean ‘FTS Paragominas RR’. The best performances were obtained with the use of thiophanate-methyl + fluazinam fungicides (dose 198 mL) and fludioxonil (dose 200 mL). The application of carbendazim + thiram and fipronil, both at a dose of 200 mL, presented adverse effects throughout the vegetative and reproductive phases of soybean ‘FTS Paragominas RR’. None of the products provided significant increases in grain yield.

Date: 2019
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