Investigating the allelopathic effects of Ephedra major Host plant on the germination and growth of Triticum aestivum L. and weeds of Avena fatua L. and Sinapis arvensis L.

Rezadadi, Aliasghar; Dadkhah, Alireza; Rezvani, Reza

doi:10.22092/ijsst.2024.365149.1517

Document Type : Original Article

Authors

¹ M.Sc. Student in Agroecology of Plant Production and Genetic Department, Shirvan Faculty of Agriculture, University of Bojnord, Bojnord, Iran

² Professor, Faculty Member of Plant Production and Genetic Department, Shirvan Faculty of Agriculture, University of Bojnord, Bojnord, Iran.

³ Research Assistant of Plant Production and Genetic Department, Shirvan Faculty of Agriculture, University of Bojnord, Bojnord, Iran.

10.22092/ijsst.2024.365149.1517

Abstract

Two factorial experiments in different conditions, laboratory and greenhouse, were conducted based on a completely randomized design and randomized complete block design with three replications, respectively, to investigate the effect of aqueous extract of aerial organs of Ephedra major Host. on the growth traits and germination of Triticum aestivum, Avena fatua and Sinapis arvensis The first factor was plant species including :Triticum aestivum, Avena fatua and Sinapis arvensis and the second factor was aqueous extract of ephedra plant in three levels (zero (control), 10 and 20% of aerial parts (including stem and leaves mixed). The results showed that with increasing extract concentration, the germination, growth traits and total chlorophyll of all investigated plants significantly decreased. The 20% concentration of aqueous extract of ephedra decreased the germination rate in wheat, oat and mustard by 51.8% and 42.8%, 53.2% and 61.5%, 80% and 50.3%, respectively, compared to the control. Also, 20% concentration of ephedra extract had highest inhibition on dry weight of wheat (52%), oat (68.3%) and wild mustard (83.5%) compared to control. The results of experiment showed that oat plants were more sensitive to aqueous extract of Ephedra so that chlorophyll content of oat plants 53% decreased compared to control. In general, weed plants were more sensitive to the allelopathic effects of ephedra than wheat. In fact, it is possible that the germination and growth of the mentioned weeds can be moderated with the cheap and easy application of ephedra aerial part extract.

Keywords

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Investigating the allelopathic effects of Ephedra major Host plant on the germination and growth of Triticum aestivum L. and weeds of Avena fatua L. and Sinapis arvensis L.

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Volume 15, Issue 1 - Serial Number 41Spring of 2026March 2026Pages 1-19

Volume 15, Issue 1 - Serial Number 41
Spring of 2026
March 2026
Pages 1-19