Skip to main content
Article thumbnail
Location of Repository

Germination responses in Callitriche truncata Gussone

By Jilly Camilleri and Sandro Lanfranco


This study investigated the germination responses of seeds of Callitriche truncata, an obligate hydrophyte that colonises temporary ponds in the Mediterranean, when subjected to different depths of burial and to varying patterns of initial flooding, and to examine the effect of flooding date on the growth and reproduction effort of this plant. All investigations were carried out at two different seed densities in order to investigate whether this factor would exert any effect on germination success and on accumulation of biomass. Seeds germinated from the 'no burial' treatment and from burial under 1cm} of sterile sediment with the rates of germination success declining rapidly with depth of burial. No germination was recorded from seeds buried deeper than 1cm. The density of seeds per pot did not influence the results significantly. There was no significant difference in germination success of seeds subjected to 'Autumn flooding' and 'Winter flooding' treatments or across seed densities. Plants grown during the 'Winter flooding' treatment produced less total biomass and a lower proportion of reproductive biomass at the end of the experiment than seeds grown during the 'Autumn flooding' treatment. Although characterised by lower reproductive success, later flooding still permitted completion of life cycles and restocking of the seed bank. These findings are generally consistent with the results of previous studies in other temporary waters of the Mediterranean.peer-reviewe

Topics: Seeds -- Stratification, Plants -- Mediterranean Region, Lamiales -- Mediterranean Region, Germination -- Mediterranean Region
Publisher: Malta Chamber of Scientists
Year: 2013
DOI identifier: 10.7423/XJENZA.2013.1.04
OAI identifier:
Provided by: OAR@UM

Suggested articles


  1. (2004). (in prep.) Species richness in temporary freshwater rockpools of the Maltese Islands.
  2. (1983). A comparative study of germination responses to diurnallyfluctuating temperatures. doi
  3. (2012). Aspects of the Biology and Ecology of Callitriche truncata.
  4. (1985). Coexistence of competitors in spatially and temporally varying environments: a look at the combined effects of different sorts of variability. doi
  5. (1998). Effects of flooding date on the biomass, species composition and seed production in submerged macrophyte beds in temporary marshes in the Camargue
  6. (1994). Effects of sediment load on seedling emergence from wetland seed banks. doi
  7. (1996). Effet de la tempe´rature sur l’installation et la croissance des plantes annuelles de marais temporaires me´diterrane´ens. doi
  8. (2005). Germination characteristics of Zannichellia palustris from New South Wales, doi
  9. (2006). How and why to measure the germination process? doi
  10. (2004). Mediterranean temporary pools Volume 1: Issues relating to conservation, functioning and management. Station Biologique de la Tour du Valat.
  11. (2006). Notes on the water-starworts (Callitriche) recorded in Europe.
  12. (1998). Numerical ecology: Developments in environmental modeling 20. doi
  13. (1986). Seed germination traits of annuals and emergents recruited during drawdowns in the Delta Marsh, doi
  14. (2001). Seeds: ecology, biogeography, and evolution of dormancy and germination. doi
  15. (2008). SigmaPlot for Windows Version 11.0 [Computer software]. doi
  16. (1993). Submerged macrophyte seed bank in a Mediterranean temporary marsh: abundance and relationship with established vegetation. doi
  17. (2004). Temporary freshwater rockpools in the Maltese Islands (Central Mediterranean): formation, ecological processes and implications for management and conservation.
  18. (2007). The impact of vertical soil cracks on submerged macrophyte diaspore bank depth distribution in Mediterranean temporary wetlands. doi

To submit an update or takedown request for this paper, please submit an Update/Correction/Removal Request.