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Type of publication: research article
Type of publication (PDB): Straipsnis recenzuojamoje užsienio tarptautinės konferencijos medžiagoje / Article in peer-reviewed foreign international conference proceedings (P1d)
Field of Science: Ekologija ir aplinkotyra / Ecology and environmental sciences (N012)
Author(s): Šėžienė, Vaida;Baležentienė, Ligita;Ozolinčius, Remigijus
Title: Allelopatic impact of some dominants in bare cuttings of scotch pine forest under climate change
Is part of: Интегрированная защита растений: стратегия и тактика: материалы международной научно-практической конференции, посвященной 40-летию со дня организации РУП "Институт защиты растений" (Минск, 5-8 июля 2011 г.). Несвиж, 2011
Extent: p. 39-44
Date: 2011
Keywords: Pinus sylvestris L;Allelopathy;Dominants;Regeneration;Climate change
Abstract: The objectives of this research of the present study was to determine whether the plant allelopatic effect on Scotch pine (Pinus sylvestris L.) seed germination and seedlings development is enhanced or reduced depending on the climatic factors (temperature) to with they are subjected. A multifunctional laboratory experiment was designed in order to evaluate and to compare the ailelopatic activity ol the aqueous extracts produced from both ground parts and roots of dominants of first year clear-cuttings of pine forests (Vacciniosa) at different temperature regime. After the assessment of phytocenosis of selected clear-cuttings of pine forests, it was found that the dominating position has Pleurozium schreberi, Vaccinium vilis-idaon and Calluna vulgaris. During the experiment the impact of phytotoxicity of produced aqueous extracts was evaluated in dependence on plant species, plant part and different temperature regime. The aqueous extracts of dominants of 1 st year clear-cuttings of pine forests exerted stronger phytotoxicity on germination of Scotch pine seeds at 20 C/29°C than at 18/27°C temperature regime. The results conformed that the inhibitory effect for radicle growth of different plant and plant parts was strongest than for growth of hypocotyls at both 18/27 °C and 20°C/29°C temperature regime
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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