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Phytotoxic potential of Lycium edgeworthii miers against three cultivated test crop species

Research Paper | February 1, 2018

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Muhammad Imran, Imtiaz Ahmad, Hina Gul, Sakina Anwar, Syed Adil Hayat, Muhammad Jamal Babar

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Int. J. Biosci.12( 2), 146-155, February 2018

DOI: http://dx.doi.org/10.12692/ijb/12.2.146-155


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Allelopathy can play a crucial role in future weed management and crop productivity. The allelopathic compounds tend to be used as natural herbicides and alternative pesticides; they are less riotous of the global ecosystem than artificial agrochemicals. Therefore, the investigations were made to test the potential of L. edgeworthii by using aqueous extracts from various parts. The parts of plant were collected shade dried, grinded and different extracts were made. All the extracts significantly arrested the germination rate and overall growth of Triticum aestivum L., Lactuca sativa L. and Trifolium alexandrinum L. in laboratory trials. The aqueous extracts with higher concentration 10g/100ml were more noxious than lower concentration 5g/100ml. Likewise, the extracts obtained after 72 hours were more inhibitory than 24 and 48 hours. Bark extract was found to be more toxic than leaves extracts. The robust inhibition i.e. 40%, 44% and 36% showed by 10/100ml at 72 hours’ duration of bark followed by leaves 28%, 24% and 20% in germination of T. aestivum, L. sativa and T. alexandrinum respectively, similarly same concentration and duration showed maximum inhibition in radicle and plumule length i.e bark showed 70.16% and 73.33% in Triticum aestivum respectively. Hot water extracts, litter and mulching experiments also ascertained to be inhibitory to all the test species.  It was proposed that various evaluated parts of L. edgeworthii have robust allelopathic potential contrary to the nominated tested crop species. Further exploration is required to find the chemicals that triggered inhibition, which may provide basis for the development of novel herbicides of biological origin.


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Phytotoxic potential of Lycium edgeworthii miers against three cultivated test crop species

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