Soil flooding affects the survival, growth and metabolism of Aegiphila sellowiana Cham. (Lamiaceae)?

Authors

  • Cristiano Medri Universidade Estadual do Norte do Paraná
  • José Antônio Pimenta Universidade Estadual de Londrina (UEL)
  • Eduardo Augusto Ruas Universidade Estadual de Londrina
  • Luiz Antônio de Souza Universidade Estadual de Maringá
  • Paulo Souza Medri Universidade Estadual de Londrina
  • Sandra Sayhun Universidade Estadual de Londrina
  • Edmilson Bianchini Universidade Estadual de Londrina
  • Moacyr Eurípedes Medri Universidade Estadual de Londrina

DOI:

https://doi.org/10.5433/1679-0367.2012v33n1p123

Keywords:

Flooding tolerance, Hypoxia, RGR, Stomatal conductance, Photosynthesis.

Abstract

In order to elucidate aspects of tolerance to hypoxia, Aegiphila sellowiana Cham. (Lamiaceae) plants were submitted to different periods of flooding. The survival, growth, stomatal conductance and photosynthesis were evaluated. There was 33,3% of mortality of flooded plants. Among the 66,7% of survivors, the relative growth rate (RGR) of roots, stems, leaves and whole plant was lower than the RGR of plants cultivated in drained soil. Flooded plants presented diageotrophic root production, increased leaf abscission and low production of new leaves. Flooding caused a reduction in stomatal conductance and photosynthetic rate. It is suggested that A. sellowiana has intolerance to soil flooding.

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Author Biographies

Cristiano Medri, Universidade Estadual do Norte do Paraná

Universidade estadual do Norte do Paraná (UENP), Professor adjunto da Universidade Estadual do Norte do Paraná (UENP), Campus Luiz Meneghel, Centro de Ciências Biológicas, Setor de Biologia.

José Antônio Pimenta, Universidade Estadual de Londrina (UEL)

Universidade Estadual de Londrina (UEL), Professor associado da Universidade Estadual de Londrina (UEL), Centro de Ciências Biológicas, Departamento de Biologia Animal e Vegetal.

Eduardo Augusto Ruas, Universidade Estadual de Londrina

Universidade Estadual de Londrina (UEL), Pós-doutorando na Universidade Estadual de Londrina (UEL), Centro de Ciências Biológicas, Departamento de Biologia Geral.

Luiz Antônio de Souza, Universidade Estadual de Maringá

Universidade Estadual de Maringá (UEM), Professor titular da Universidade Estadual de Maringá (UEM), Centro de Ciências Biológicas, Departamento de Biologia.

Paulo Souza Medri, Universidade Estadual de Londrina

Universidade Estadual de Londrina, Mestre pela Universidade Estadual de Londrina, Centro de Ciências Biológicas, Departamento de Biologia Animal e Vegetal.

Sandra Sayhun, Universidade Estadual de Londrina

Universidade Estadual de Londrina (UEL), Mestre pela Universidade Estadual de Londrina, Centro de Ciências Biológicas, Departamento de Biologia Geral.

Edmilson Bianchini, Universidade Estadual de Londrina

Universidade Estadual de Londrina (UEL), Professor associado da Universidade Estadual de Londrina (UEL), Centro de Ciências Biológicas, Departamento de Biologia Animal e Vegetal.

Moacyr Eurípedes Medri, Universidade Estadual de Londrina

Universidade Estadual de Londrina (UEL), Professor associado da Universidade Estadual de Londrina (UEL), Centro de Ciências Biológicas, Departamento de Biologia Animal e Vegetal.

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Published

2012-07-30

How to Cite

1.
Medri C, Pimenta JA, Ruas EA, Souza LA de, Medri PS, Sayhun S, et al. Soil flooding affects the survival, growth and metabolism of Aegiphila sellowiana Cham. (Lamiaceae)?. Semin. Cienc. Biol. Saude [Internet]. 2012 Jul. 30 [cited 2024 Nov. 21];33(1):123-34. Available from: https://ojs.uel.br/revistas/uel/index.php/seminabio/article/view/10359

Issue

Vol. 33 No. 1 (2012)

Section

Artigos

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Copyright (c) 2012 Semina: Ciências Biológicas e da Saúde

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