Allelopathic effects of weeds extract on seed germination of Trachyspermum copticum L., Foeniculum vulgare and Cuminum cyminum | JBES An Open Access Research Journals

Ami majus
Trachyspermum copticum L.

By Mostafakemal Shams1*, Ehsan Zandi Esfahan2, Mahdi Ramezani3, Mahnaz Ghandkanlou1

  1. Department of agriculture, Payame Noor University, P.O. Box 19395- 3697, Tehran, Iran
  2. Rangeland Research Division, Research Institute of Forests and Rangelands, P.O. Box 13185-116, Tehran, Iran
  3. Science and Research Branch, Islamic Azad University, P.O. Box 14778. Tehran, Iran

Seed germination stage is one of the most basic growth stages in medicinal plants that may be adversely affected by the chemicals released from other plants in the soil environment. The present study was performed to investigate the allelopathic effects of weeds, including (Xanthium strumarium, Amaranthus retroflexus and Chenopodium album) as common weeds in medicinal plant’s farms, on seed germination parameters, total dry weight and allometry coefficient of Trachyspermum copticum L., Foeniculum vulgare and Cuminum cyminum L.

Foeniculum_July_2011-1a

in laboratory conditions. Treatments included extracts of all organs of three weed species, applied on the seeds of the medicinal plants at three concentrations of zero (distilled water), 50 and 100% by volume. The results showed that the extracts of mentioned weed species had a significant inhibitory effect on germination characteristics of the studied medicinal plants.

Cuminum cyminum

The greatest negative impact on seed germination was recorded for the extract of Amaranthus retroflexus, but Trachyspermum copticum L. showed a better resistance to the extract of Amaranthus retroflexus as compared to Foeniculum vulgare and Cuminum cyminum. Get the full articles at: http://bit.ly/1NaHI5u

Journal Name: Journal of Biodiversity and Environmental Sciences (JBES)

Publisher Name: International network For natural Sciences (INNSPUB)

To submit your original Research Paper please visit Submit Your Articles 

Source: Journal of Biodiversity and Environmental Sciences @2016 Research Journal of Environmental Sciences

 

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