Influência da plataforma de corte e do sistema de trilha e separação na qualidade de sementes de soja

Abstract

The objective of this work was to perform an experiment to evaluate the impact of mechanized harvest on the physical and physiological quality of soybean seeds obtained from harvesters with different platforms, track systems and separation. The experiments were carried out in 2017, with seeds obtained from the 2016/2017 harvest by the following methods: Harvester I - with radial track system and spiral platform, harvester II - with axial track system and snail platform and harvester III - with axial system and draper platform. These were compared with seeds obtained from manual harvesting, performed at the same moment of sample collection. The germination levels were not influenced by the different treatments, however, the radial harvesting method presented higher incidence of mechanical damages and lower seed vigor in relation to the axial system. The treatment that presented the best physiological quality was the control (manual). The use of the cutting platform with conveyor belt or helicoid showed similar results in the physiological quality of soybean seeds.