International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064


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Research Paper | Applied Entomology and Zoology | Egypt | Volume 10 Issue 12, December 2021 | Popularity: 4.7 / 10


     

Toxicity and Residual Effect of Annona squamosa L. and Piper nigrum L. Seeds Extracts against Tribolium castaneum and Sitophilus oryzae

Seham Mansour Ismail, Fatma Mohamed Amin Sleem


Abstract: Giving the importance of maintaining the inventory materials of the loss as a result of insect infestation, this research aims to evaluate the activity of Piper nigrum L. and Annona squamosa L. seeds extracts against Tribolium castaneum and Sitophilus oryzae. Bioassay tests were conducted by using the waved filter paper in plastic Petri dishes 9cm and residual film in glass Petri dishes 5 cm with four concentrations, 0.25, 0.5, 0.75 and 1% of P. nigrum petroleum ether extract and A. squamosa ethanol extract. LC50 values were 0.23 and 0.31% after 24 h of exposure of P. nigrum and A. squamosa, respectively against S. oryzae, and they were 0.16 and 0.35 % after 24 h, against T. castaneum. Moreover, P. nigrum was more repellency than A. squamosa against the both insects. Noticeably, the repellency effect increased with increasing the time of exposure of P. nigrum and A. squamosa against T. castaneum. While, it decreased after 10 h against S. oryzae. The A. squamosa extracts was more toxicity and persistence than P. nigrum extract with the prolongation of time to 30 days. Whereas, the mean mortality percentages were 80 and 51.67%, respectively. We can conclude that, Annona squamosa and Piper nigrum extracts will be used to control stored product insects.


Keywords: stored products pests, Insecticidal effect, plant extract, Repellency


Edition: Volume 10 Issue 12, December 2021


Pages: 517 - 523


DOI: https://www.doi.org/10.21275/MR211206232557



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Seham Mansour Ismail, Fatma Mohamed Amin Sleem, "Toxicity and Residual Effect of Annona squamosa L. and Piper nigrum L. Seeds Extracts against Tribolium castaneum and Sitophilus oryzae", International Journal of Science and Research (IJSR), Volume 10 Issue 12, December 2021, pp. 517-523, https://www.ijsr.net/getabstract.php?paperid=MR211206232557, DOI: https://www.doi.org/10.21275/MR211206232557



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