Germination studies on Erysimum odoratum EHRH. (Brassicaceae) in Hungary

Authors

  • Péter Csontos MTA Res. Inst. of Soil Science and Agricultural Chemistry, Herman O. út 15. H-1022 Budapest, Hungary and MTA-ELTE Res. Group in Theoretical Biol. and Ecol. Pázmány P. stny. 1/c., H-1117 Budapest, Hungary
  • Hella Simkó L. Eötvös University, Fac. of Natural Sciences, Course of Environmental Science Pázmány P. stny. 1/c., H-1117 Budapest, Hungary

DOI:

https://doi.org/10.56617/tl.4168

Keywords:

dry stored seeds, Erysimum odoratum, germination, seed longevity, species conservation

Abstract

Germination characteristics of Erysimum odoratum Ehrh. seeds were studied under various environmental conditions. Effect of long term dry storage at room temperature on the germination capacity was also investigated. Surface of the seeds was sterilized in 5% NaOCl solution for ten minutes prior to germination tests. In each experiment 40 seeds per Petri-dishes were incubated and five or ten Petri-dishes were used as replicates. Results were evaluated by suitable parametric or non-parametric statistical methods. Significant differences were accepted at P<0.05. Following eleven months dry storage E. odoratum seeds germinated at 88% when preliminary cold treatment (50 days, +7 °C) was applied, and at 78% without cold treatment. However, the effect of cold treatment was not significant. Germination capacities under natural daylight regime and in dark were equally good. Also, the two applied levels of continuous temperature (+7 °C and +21 °C) did not make any significant difference in the germination rate. Longer periods of dry storage (14, 18, 20 and 71 months) resulted decrease in germination rates (49.8%, 68.5%, 63.8% and 3.8%, respectively), however, statistically significant decrease were proved only for cases of 14 and 71 months dry storage, compared to the shortest storage length (11 months), as reference. According to the results, Hungarian populations of E. odoratum seems to be a promising object for seed-genebank conservation. Regarding maintenance of a natural soil seed bank of the species, our results predict the short term persistent soil seed bank type as the minimum, but longer natural seed survival is also possible.

Author Biography

  • Péter Csontos, MTA Res. Inst. of Soil Science and Agricultural Chemistry, Herman O. út 15. H-1022 Budapest, Hungary and MTA-ELTE Res. Group in Theoretical Biol. and Ecol. Pázmány P. stny. 1/c., H-1117 Budapest, Hungary

    corresponding author
    cspeter@ludens.elte.hu

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Published

2008-12-14

Issue

Section

Articles

How to Cite

Germination studies on Erysimum odoratum EHRH. (Brassicaceae) in Hungary. (2008). JOURNAL OF LANDSCAPE ECOLOGY, 6(3), 247-253. https://doi.org/10.56617/tl.4168

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