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Type of publication: Straipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)
Field of Science: Ekologija ir aplinkotyra / Ecology and environmental sciences (N012)
Author(s): Baležentienė, Ligita
Title: Allelopathic activity of two invasive Impatiens species in temperate climate of Lithuania
Is part of: Allelopathy Journal. Haryana : International Allelopathy Foundation, Vol. 45, iss.1 (2018)
Extent: p. 45-53
Date: 2018
Keywords: Allelopathy;Brassica napus;germination;Impatiens glandulifera;Impatiens parviflora;inhibition;phenolics;rapeseed;seedling growth;Triticum aestium;wheat
Abstract: This study determined the total phenolics content in various plant parts of invasiveImpatiens species and evaluate their phytotoxicity on germination and seedling growth of wheat(Triticum aestium L.) ‘Hamlet’(monocot) and rapeseed (Brasica rapus L.) ‘Cult’(dicot). In 2016,the allelopathic activity of two invasive Impatiens species (Balsaminaceae) viz., balsam [I.parviflora (origin C. Asia)] and Himalayan balsam [I. glandulifera (origin Himalayas)] wasassessed on seed germination of wheat and rapeseed ex situ. In Impatiens extracts phenolicscontent ranged between 0.001 and 0.008 mg g-1and these significantly inhibited the seedgermination and seedling growth of both recipient species. However, germination inhibitiondiffered for each recipient specie. Both Impatiens spp. extracts drastically inhibited the rapeseedgermination (4.5-81%) than wheat germination (62-86.5%) possibly due to different seed coatanatomy and thus, its permeability. Therefore the most drastic inhibition (90% and 86.5%) wasrecorded in rapeseed germination (4.5% and 11.5%) in 0.2% flower and fruit+seed extract of I.parviflora and I. glandulifera, respectively. Consequently, recruitment and regeneration of nativespecies might be negatively affected by the invasive Impatiens species in invaded habitats
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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