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Type of publication: Tezės kituose recenzuojamuose leidiniuose / Theses in other peer-reviewed publications (T1e)
Field of Science: Biologija / Biology (N010)
Author(s): Šliumpaitė, Irma;Zybartaitė, Lina;Paulauskas, Algimantas;Kupčinskienė, Eugenija
Title: Comparison of allelopathic effects of invasive in Baltic region Impatiens and neighbouring species
Is part of: Environmental weeds and invasive plants : 4th international symposium, May 19-23, 2014, Montpellier SupAgro, France [elektroninis išteklius] : program - abstracts. Montpellier, France : EWRS, 2014
Extent: p. 104-104
Date: 2014
Keywords: Balsaminaceae;Germination;Growth;Lepidium sativum;Community structure
Abstract: One of the mechanisms explaining successful spread of invasive plants might be their ability to generate allelopathic compounds. Impatiens parviflora and Impatiens glandulifera are among the most spread invasive plant species in Baltic States. In present study, we compared allelopathic effects of the leaves of I. parviflora and I. glandulifera and neighbouring species, Urtica dioica, Phragmites communis, Galium aparine, Stellaria media, Rubus caesius, Alnus glutinosa, Galium aparine, Epilobium hirsutum, Geranium robertianum, Alliaria petiolata, Calystegia sepium and Geum urbanum. For evaluation of the plant effects solutions of locally growing Juglans regia were included into experiment. Lepidium sativum is very often used for allelopathic surveys. Seeds of garden cress were germinated in the water extracts of listed plants. Extracts of two other invasive species, Erigeron annuus and Helianthus tuberosus were also assessed. Initial aqueous extracts of the plant leaves were prepared using 1 g of dried mass of the leaves, extracted in 10 ml water within 12 hour period (further called dilution 1:10). Germination of seeds in the water was assumed as a control (100 %). Leaf extracts of all examined species had depressive effects on Lepidium sativum germination and architecture of the seedlings. Undiluted extracts of Impatiens glandulifera, Epilobium hirsutum, Phragmites communis and Alliaria petiolata failed to germinate. The extracts of Erigeron annuus and Helianthus tuberosus caused germination ranging between 1 and 2 %, germination of Impatiens parviflora was similar to Juglans regia and ranged between 9 and 10 %, the effects of the other species were intermediate
Affiliation(s): Aplinkotyros katedra
Biologijos katedra
Gamtos mokslų fakultetas
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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