Allelopathic potential of Chenopodium album L.: Effects of aqueous extract on germination and radicle growth of wheat and maize. | [International Journal of Biology and Biotechnology • 2014]

Author(s):

1. Iram-Us Salam: Department of Botany, Federal Urdu University of Arts Science and Technology, Gulshan-e-Iqbal, Karachi, Pakistan

2. S. Shahid Shaukat: Institute of Environmental Studies, University of Karachi, Karachi, Pakistan

3. Moinuddin Ahmed: Department of Botany, Federal Urdu University of Arts Science and Technology, Gulshan-e-Iqbal, Karachi, Pakistan

Abstract:

A laboratory trial was conducted to investigate the effect of lambsquarter Chenopodium album L. aqueous extract on germination and radicle elongation of two test species, namely wheat and maize. The trial was replicated five times with three concentrations of the weed extract including 2, 4, 6% and control. The germination and radicle length were recorded for ten days. Aqueous extract of Chenopodium album was strongly inhibitory to germination and had remarkable effect on the growth of wheat and maize. Final germination and speed of germination were both reduced by the extracts. Germination and root length of wheat and maize was significantly suppressed at higher concentration (i.e. 4 and 6%), while lower concentration (2%) of the extract in both test species showed greater germination and radicle elongation than at higher concentration. Thin layer chromatography of the phenolics present in the shoot was performed. Seven phenolic compounds were detected .which presumably act as the allelochemicals under field conditions. The possible mechanisms of germination and radicle growth inhibition are discussed.

Page(s): 1-5

DOI: DOI not available

Published: Journal: International Journal of Biology and Biotechnology, Volume: 11, Issue: 1, Year: 2014

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