Abstract
The aim of the paper is to improve the phytoremediation features of the metallophyte Silene vulgaris through photo-stimulation of seeds using a semi-conductive laser. Seeds of two Silene vulgaris ecotypes were used in the experiment. One type of seeds – “Wiry” ecotype – originated from a site contaminated with heavy metals (a serpentinite waste heap), and the other ecotype – “Gajków” – was collected on a site with naturally low heavy metal content. The seeds of both types were preconditioned with laser light with previously fixed doses: C(D0), D1, D3, D5, D7, D9. The basic radiation dose was 2.5·10-1 J·cm-2. The soil for the experiment was serpentinite weathering waste. The seeds and plants were cultivated in the controlled conditions of a climatic chamber. Laser light indeed stimulated seed germinative capacity but better effects were obtained in “Wiry” ecotype, originating from a location contaminated with heavy metals. In the case of morphological features, a significant differentiation of stem length was found for different ecotypes, dosages and the interactions of these factors. The study showed a strong influence of laser radiation on selected element concentrations in above-ground parts of Silene vulgaris, though “Wiry” ecotype clearly accumulated more heavy metals and magnesium than the “Gajków” ecotype.
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Claims 5
Claim · model-written summary
Laser light stimulated seed germination capacity.
Not reportedTaxonComparator
Verbatim
e0“Laser light indeed stimulated seed germinative capacity”
Claim · model-written summary
The Wiry ecotype responded better to laser stimulation than the Gajków ecotype.
Not reportedTaxonComparator
Verbatim
e0“better effects were obtained in “Wiry” ecotype, originating from a location contaminated with heavy metals”
Claim · model-written summary
Stem length differed significantly by ecotype, laser dose and their interaction.
Not reportedTaxon
Verbatim
e0“a significant differentiation of stem length was found for different ecotypes, dosages and the interactions of these factors”
Claim · model-written summary
Laser radiation strongly influenced element concentrations in aboveground Silene parts.
- Taxon
- Silene vulgaris
.JPG?width=60)
Silene vulgarise0 - Organ / stage
- above-ground partse0
- Treatment
- laser radiatione0
- Outcome
- selected element concentrationse0
- Direction
- strong influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.JPG?width=500)
Verbatim
e0“a strong influence of laser radiation on selected element concentrations in above-ground parts of Silene vulgaris”
Claim · model-written summary
The Wiry ecotype accumulated more heavy metals and magnesium than Gajków.
- Material
- “Wiry” ecotypee0
- Outcome
- heavy metals and magnesiume0
- Direction
- moree0
- Comparator
- “Gajków” ecotypee0
Not reportedTaxon
Verbatim
e0““Wiry” ecotype clearly accumulated more heavy metals and magnesium than the “Gajków” ecotype”