Biologia Plantarum

, Volume 50, Issue 2, pp 205–209 | Cite as

Intraspecific interactions in Arabidopsis thaliana and the stomatal mutants tmm1-1 and sdd1-2

  • J. L. Alwerdt
  • D. J. Gibson
  • S. D. Ebbs
  • A. J. Wood
Article

Abstract

Competition is a major density-dependent factor structuring plant populations and communities in both natural and agricultural systems. Seedlings of the model plant species Arabidopsis thaliana cv. Columbia, and the Columbia-derived stomatal mutants sdd1 and tmm1, were grown under controlled conditions at increasing densities of 1, 10, 20, and 50 plants per pot. We demonstrate significant effects of time (days after planting), density, genotype, density and genotype, and the three-way interaction with time upon several fitness components (plant height, silique number, leaf biomass and flowering stalk biomass) in Columbia and these mutants.

Additional key words

biomass competition density plant height 

Abbreviations

DAP

days after planting

sdd

stomatal density and distribution

tmm

too many mouths

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Copyright information

© Institute of Experimental Botany, Academy of Sciences of the Czech Republic, Praha 2006

Authors and Affiliations

  • J. L. Alwerdt
    • 1
  • D. J. Gibson
    • 1
  • S. D. Ebbs
    • 1
  • A. J. Wood
    • 1
  1. 1.Department of Plant BiologySouthern Illinois University-CarbondaleCarbondaleUSA

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