<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Nepeta nuda subsp. nuda is a medicinal plant growing wild in Bulgaria. Different species of Nepeta genus have been reported to possess allelopathic potential. The present study was conducted to observe its phytotoxic effects on T. aestivum and C. sativus L. seeds in laboratory conditions. Nepeta water extracts (NWE) prepared from aerial parts of plants at concentrations 2, 4, 6, 8, 10, 12 and 14 g/l were tested. The rate of seed germination, the root and shoot length, fresh and dry weight of seedlings were observed after treatment with NWE. As a control served seeds treated with distilled water. Germination was not affected, but NWE showed deterioration in seedling growth. Roots were more affected than shoots. The fresh and dry weights were reduced upon treatment with the extracts tested. These negative effects were dose-dependent. The overall results indicate presence of water soluble allelochemicals in Nepeta nuda subsp. nuda.</p></abstract>

Nepeta nuda subsp. nuda is a medicinal plant growing wild in Bulgaria. Different species of Nepeta genus have been reported to possess allelopathic potential. The present study was conducted to observe its phytotoxic effects on T. aestivum and C. sativus L. seeds in laboratory conditions. Nepeta water extracts (NWE) prepared from aerial parts of plants at concentrations 2, 4, 6, 8, 10, 12 and 14 g/l were tested. The rate of seed germination, the root and shoot length, fresh and dry weight of seedlings were observed after treatment with NWE. As a control served seeds treated with distilled water. Germination was not affected, but NWE showed deterioration in seedling growth. Roots were more affected than shoots. The fresh and dry weights were reduced upon treatment with the extracts tested. These negative effects were dose-dependent. The overall results indicate presence of water soluble allelochemicals in Nepeta nuda subsp. nuda.

Allelopathic activity of Nepeta nuda L. subsp. nuda water extracts

Department of Biology, Faculty of Natural Sciences, “K. Preslavsky” University, 115 Universitetska Str., 9712 Shumen,

Sofia University, Faculty of Biology, 8 "Dragan Tsankov" Blvd., 1421 Sofia,

Acta Scientifica Naturalis

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Allelopathic activity of Nepeta nuda L. subsp. nuda water extracts"}

Nepeta nuda subsp. nuda is a medicinal plant growing wild in Bulgaria. Different species of Nepeta genus have been reported to possess allelopathic potential....

Allelopathic activity of Nepeta nuda L. subsp. nuda water extracts

Published Online: Feb 09, 2017

Page range: 46 - 51

Received: Oct 30, 2016

Accepted: Jan 11, 2017

DOI: https://doi.org/10.1515/asn-2017-0007

Keywords
Nepeta nuda subsp. nuda, allelopathy, root and shoot growth inhibition, fresh and dry weight

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Allelopathic activity of Nepeta nuda L. subsp. nuda water extracts

Published Online: Feb 09, 2017

Page range: 46 - 51

Received: Oct 30, 2016

Accepted: Jan 11, 2017

DOI: https://doi.org/10.1515/asn-2017-0007

KeywordsNepeta nuda subsp. nuda, allelopathy, root and shoot growth inhibition, fresh and dry weight

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Nepeta nuda subsp. nuda, allelopathy, root and shoot growth inhibition, fresh and dry weight