Abstract
The allelopathic effect of extracts from leaf litter of Betula pendula on the initial stages of ontogenesis (seed germination and growth and development of seedlings) of Rumex aquaticus has been studied in laboratory conditions. A significant decrease in laboratory germination by 1.5–36.3 times, depending on the concentration of the extract, is found. The change in the coefficient of inhibition confirmed the phytotoxicity of the investigated extract. The inhibitory effect on the seedlings at a concentration ≥50% of control is manifested in a decrease in the morphometric parameters of both the underground (root system and hypocotyl) and aboveground (cotyledon) parts of the seedlings.
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This study was conducted within the framework of the state budget theme of the Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences (no. АААА-А18-118012690099-2 “Vegetative Cover of Water Bodies and Watercourses of Russia: Structure and Dynamics”).
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Krylova, E.G., Garin, E.V. Allelopathic Influence of Betula pendula Leaf Litter on the Initial Stages of Rumex aquaticus L. Ontogenesis. Inland Water Biol 13, 463–466 (2020). https://doi.org/10.1134/S1995082920030104
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DOI: https://doi.org/10.1134/S1995082920030104