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.
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Abbreviations
- DAP:
-
days after planting
- sdd:
-
stomatal density and distribution
- tmm:
-
too many mouths
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Alwerdt, J.L., Gibson, D.J., Ebbs, S.D. et al. Intraspecific interactions in Arabidopsis thaliana and the stomatal mutants tmm1-1 and sdd1-2 . Biol Plant 50, 205–209 (2006). https://doi.org/10.1007/s10535-006-0008-2
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DOI: https://doi.org/10.1007/s10535-006-0008-2