Jose Ricardo Bagateli, Ricardo Mari Bagateli, Willyan Júnior Adorian Bandeira, Ivan Ricardo Carvalho*, Murilo Vieira Loro, José Antonio Gonzalez da Silva, Leonardo César Pradebon, Jaqueline Piesanti Sangiovo
Published October 31, 2024
Genet. Mol. Res. 23 (4): gmr2315
DOI http://dx.doi.org/10.4238/gmr2315

About the Authors
Jose Ricardo Bagateli, Ricardo Mari Bagateli, Willyan Júnior Adorian Bandeira, Ivan Ricardo Carvalho*, Murilo Vieira Loro, José Antonio Gonzalez da Silva, Leonardo César Pradebon, Jaqueline Piesanti Sangiovo

Corresponding author:
Ivan Ricardo Carvalho
E-mail: carvalho.irc@gmail.com

ABSTRACT

The objective of the study was to evaluate different strategies for managing sowing density using batches of seeds with different levels of physiological quality, their impact on the population and spatial arrangement of plants (plantability); and in soybean grain yield potential. Two experiments were conducted corresponding to the 2018/19 and 2019/20 harvests, sown in the first fortnight of September of each agricultural year. The experimental design used was complete randomized blocks arranged in a 2×4 factorial scheme, with two genotypes and four sowing densities, with five replications. Greater productivity and better spatial arrangement of the plant are closely associated and can be attributed to the use of higher vigor seeds at lower densities. Increasing sowing density to compensate for low levels of physiological quality causes a reduction in productivity, in addition to an increase in operational costs with unnecessary expenses with seeds.

Key words: Glycine max; Physiological quality; Productive performance; Plant arrangement.