Journal of
Horticulture and Forestry

  • Abbreviation: J. Hortic. For.
  • Language: English
  • ISSN: 2006-9782
  • DOI: 10.5897/JHF
  • Start Year: 2009
  • Published Articles: 255

Full Length Research Paper

Performance of soybean plants originated from seeds of high and low vigor submitted to water deficit

Lizandro Ciciliano Tavares1*, Cassyo de Araújo Rufino1, Lilian Madruga de Tunes2 and Antonio Carlos Souza Albuquerque Barros1
1Department of Plant Science, Federal University of Pelotas, UFPel/FAEM, Brazil. 2Department of Plant Science, Federal University of Santa Maria, UFSM, Brazil.
Email: [email protected]

  • Article Number - A1DF4731236
  • Vol.3(4), pp. 122-130, April 2011
  •  Accepted: 14 February 2011
  •  Published: 17 September 2013

Abstract

This study had the objective of evaluating the effect of water deficit on the growth of soybean plants from seeds with high and low vigor. It was conducted at the Faculdade de Agronomia "Eliseu Maciel” (FAEM-UFPel) using the cultivar M-SOY 8008 RR. The experimental design was a completely randomized in factorial AXB (Factor A: Variables 2, 3, 4 and 5 water deficits; Factor B: two levels of seed vigor, high and low) and a total of ten treatments with four replications. Evaluations of fresh mater, plant height, leaf area and dry weight, at the 10, 20, 30 and 40 DAE. Soybean plants from high vigor seeds have higher fresh weight, plant height, leaf area and dry weight until 40 DAE, and provide higher rates of growth up to 40 DAE. High vigor seeds have better performance than plants of low vigor, when submitted to water deficit until 40 DAE. Water deficit reduces the performance of both plants grown from seeds of high and low vigor.

 

Key wordsGlycine max (L.) Merrill, initial growth, physiological quality, growth rate.

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