Impact of laser radiation on seeds of Berteroa incana and Setaria pumila collected from habitats exposed to artificial light at night

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dc.contributor.authorZalewski, Dariusz
dc.contributor.authorKoszelnik-Leszek, Anna
dc.contributor.authorKieloch, Renata
dc.date.accessioned2026-08-10T09:53:40Z
dc.date.available2026-08-10T09:53:40Z
dc.date.issued2026
dc.description.abstractThe aim of the controlled-environment experiment was to assess the effects of semiconductor laser light on the early growth stages of Setaria pumila and Berteroa incana, whose seeds had previously been exposed to direct artificial light at night (ALAN). The seeds were collected from two maize fields differing in nighttime light pollution: 1. a site in Siechnice (Wrocław County), located near the “Siechnice” horticultural complex emitting intense nocturnal illumination, 2. a control site in Jelcz-Laskowice (Oława County), situated ca. 12 km from the emission source. The collected seeds were subjected to presowing laser irradiation at three energy levels: three-fold, fivefold, and seven-fold of the base dose of 0.25 J·cm⁻², with an exposure time of 4.1 min. Non-irradiated seeds served as the control. The study proved that the root length of seedlings of both species originating from the ALANexposed site was significantly reduced compared with the plants from the light-pollution-free area. There were also differences in germination capacity of Setaria pumila seeds – those collected from the ALAN-exposed site germinated significantly weaker than those obtained from the ALAN-free location. Laser irradiation stimulated seedling growth; however, this response was more pronounced in plants originating from the environment without nocturnal artificial lighting.
dc.identifier.citationJ. Ecol. Eng. 2026; 27(9):67-74
dc.identifier.doi10.12911/22998993/220700
dc.identifier.issn2299–8993
dc.identifier.urihttps://bc.iung.pl/handle/123456789/4804
dc.identifier.urihttps://www.jeeng.net/Impact-of-laser-radiation-on-seeds-of-Berteroa-incana-and-Setaria-pumila-collected,220700,0,2.html
dc.language.isoen
dc.publisherPolskie Towarzystwo Inżynierii Ekologicznej, Politechnika Lubelska
dc.subjectALAN, light pollution, laser irradiation, plants, seeds germination, roots length
dc.titleImpact of laser radiation on seeds of Berteroa incana and Setaria pumila collected from habitats exposed to artificial light at night
dc.typeArticle
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