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Efeitos da dessecação de plantas de soja no potencial fisiológico e sanitário das sementes
Other Titles: 
Effects of desiccation on the physiological potential and sanitary condition of seeds from soybean plants
Universidade Estadual Paulista (UNESP)
  • 0006-8705
  • 1678-4499
The objective of this paper was to verify the ideal moment of application of desiccants on the soybeans crop, to obtain seeds with maximum physiological and sanitary quality. The cultivar IAC-15 was sowed at the experimental area of FE/UNESP - Campus of Ilha Solteira, located in the district of Selvíria, State of Mato Grosso do Sul (20° 22′S, 51° 22′W at approximately 335 m of altitude). The experimental design was a randomized block, with treatments in a factorial scheme of 3×3 and 4×4 (dessicant x application time), in 1996/97 and 1997/98, respectively. The desiccants applied during the season agricultural year 1996/97 were: paraquat, diquat, paraquat+diquat mix at the doses 400; 300; 200+150 e 400 g a.i.ha -1, respectively. In 1997/98 the same desiccants were used, at the same doses, with additional treatment application of ammonium glufosinate at the dose of 400 g a.i.ha -1. The desiccants were applied three times in 1996/97 and four times in 1997/98 with 5 days intervals starting at the R 6 stage. According to the environmental conditions of this research the best desiccation time was when soybean plants had 80% to 90% of pods with yellow and brown coloration and seeds with 45% to 60% of water content. There were no effects of any of the desiccants tested in the physiological and sanitary potential required for commercialization of the seeds.
Issue Date: 
Bragantia, v. 64, n. 3, p. 447-457, 2005.
Time Duration: 
  • Desiccants
  • Germination
  • Seed sanitary quality
  • Vigor
  • desiccation
  • germination
  • seed production
  • soybean
  • Brazil
  • Mato Grosso
  • South America
  • Western Hemisphere
  • World
  • Glycine max
Access Rights: 
Acesso aberto
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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