Allelopathic effects of aqueous extracts of different organs of redroot pigweed (Amaranthus retrofelexus L.) on summer savory (Satureja hortensis L.)

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Research Paper 01/07/2013
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Allelopathic effects of aqueous extracts of different organs of redroot pigweed (Amaranthus retrofelexus L.) on summer savory (Satureja hortensis L.)

Ebrahim Benyas, Mohsen Aghaz, Ozra Sadat Khatamian Oskooei, Saied Zehtab Salmasi, Yaghub Raii
Int. J. Biosci.3( 7), 36-41, July 2013.
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Abstract

In order to demonstrate the allelopathic effects of different organs (root, shoot and whole plant) of redroot pigweed (Amaranthus retrofelexus L.) on germination, emergence, growth and development of summer savory (Satureja hortensis L.) under laboratory and greenhouse conditionan experiment was carried out as CRD design with nine and five replications at laboratory and greenhouse of the Faculty of Agriculture, University of Tabriz, Iran, respectively. Results showed the significant effects of different organs aqueous extracts (AEs) of redroot pigweed on germination percentage, germination rate and normal seedlings percentage. Germination rate decreased by shoot, root and whole plant AEs compare with control. Shoot and whole plant AEs of redroot pigweed were able to reduce summer savory biomass more than the root aqueous extract.

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