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Allelopathic Activity of Canadian Goldenrod

Plants (Basel), 2023-03, Vol.12 (7) [Peer Reviewed Journal]

COPYRIGHT 2023 MDPI AG ;ISSN: 2223-7747 ;EISSN: 2223-7747 ;DOI: 10.3390/plants12071421

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  • Title:
    Allelopathic Activity of Canadian Goldenrod
  • Author: Judžentienė, Asta ; Būdienė, Jurga ; Labanauskas, Linas ; Stancelytė, Donata ; Nedveckytė, Irena
  • Subjects: Analysis ; Growth ; Instrument industry ; Medicine, Botanic ; Medicine, Herbal ; Seeds
  • Is Part Of: Plants (Basel), 2023-03, Vol.12 (7)
  • Description: Native to N. America, Canadian goldenrod (Solidago canadensis L.) was introduced to Europe as an ornamental plant and quickly spread here and in other parts of the world. The rapid spread of the plant is due to several reasons: phenotypic plasticity, broad climatic tolerance, propagation via underground rhizomes and seeds that mature in large numbers, etc. Additionally, the success of Canadian goldenrod's invasion is determined by its allelochemicals that affect seed germination, root formation and whole growth of nearby plants. Allelopathy of various extracts and essential oils (EOs) of S. canadensis on seed germination and growth of lettuce (Lactuca sativa L.) and garden pepper cress (Lepidium sativum L.) was evaluated and compared with other Solidago species (S. virgaurea, S. × niederederi) collected from the same growing locality in Lithuania. Soil characteristics (conductivity, pH and major elements) of the collecting site were determined. Aqueous flower extracts of all studied Solidago species showed the highest inhibitory effect on model plants. Canadian goldenrod leaf water/diethyl ether extract showed highest inhibitory effect in all relative concentrations (1.0; 0.1; 0.01) suppressing growth of L. sativa (from 0 to 2.3 mm compared with 22.7 mm for control samples) and L. sativum (from 0.5 to 16.8 mm compared with 35.3 mm in control). It was noticed that garden pepper cress was more susceptible to Solidago spp. inhibitory effects than lettuce. S. canadensis root EOs comprised mainly of limonene (35.0%) and β-pinene (26.2%) and inflorescence oils containing α-pinene (21.6%), germacrene D (15.1%), limonene (10.2%) and lupenyl acetate (9.8%) exhibited the highest inhibitory effect on lettuce and garden pepper cress growth. Relative germination and vigor index of model plants was conducted. Chemical composition of extracts and EOs was determined by HPLC/DAD/TOF and GC/MS techniques.
  • Publisher: MDPI AG
  • Language: English
  • Identifier: ISSN: 2223-7747
    EISSN: 2223-7747
    DOI: 10.3390/plants12071421
  • Source: ROAD
    PubMed Central
    ProQuest Central
    DOAJ Directory of Open Access Journals
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