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Repellent Potential of Three Medicinal Plant Extracts against Tribolium castaneum (Coleoptera: Tenebrionidae)

Repellent Potential of Three Medicinal Plant Extracts against Tribolium castaneum (Coleoptera: Tenebrionidae)

Habib-ur-Rehman1*, Saima Mirza1*, Mansoor-ul-Hasan2, Qurban Ali3, Hafiz Abdullah Shakir4, Muhammad Yasir5

1Punjab Bioenergy Institute, University of Agriculture, Faisalabad, Pakistan
2Department of Entomology, University of Agriculture, Faisalabad, Pakistan
3Entomological Research Institute, Ayub Agricultural Research Institute, Faisalabad, Pakistan
4Department of Zoology, University of the Punjab, Lahore, Pakistan
5Pest Warning and Quality Control of Pesticides, Punjab, Pakistan

*Corresponding author: Habib-ur-Rehman and Saima Mirza

*saima.mirza.mafb@gmail.com; habib.ento@gmail.com 

 

ABSTRACT

Abstract | The present study was aimed to evaluate the repellent potential of Ricinus communis (L.), Jatropha curcas (L.) and Citrus paradise (MACF.) against Tribolium castaneum (Herbst). Plant materials (50 g powders of each of the plant was extracted on rotary shaker using four solvents viz.; methanol, chloroform, petroleum ether and n-hexane separately. Periodic analysis for the repellent effects was carried by impregnating each filter paper (half-disc of filter papers) with micropipette at three concentrations (5, 10 and15%) of each of the plant extract. The repellence was recorded after 24, 48 and 72 h of the treatments application. The findings of experimental trials presented significant mean repellency 79.15% of T. castaneum (with methanolic extract of C. paradise)followed by 76.21% (with R. communis extract)and 63.36% (in J.curcus extract) at 15% concentration, after exposure period of 24 h. Comparatively low mean repellency 58.45, 54.24 and 42.57% was observed at same concentration after exposure period of 72 h. Least repellency (11.23%) was recorded at 5% concentration of n-hexane based extract of J. curcus after exposure period of 72 h. Repellency was found significantly influenced by concentrations of plant extracts and the exposure time. Overall results showed that methanolic extracts were more effective than other three solvents and extract of C. paradise was found comparatively more effective and R. communis was found effective than C. paradise. Repellency varied inversely with increase of exposure time. Hence, these findings underlined the potential repellent effects of both plant extracts and highlighted their efficient use as ecofriendly stored food protectants instead of hazardous synthetic pesticides.

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Punjab University Journal of Zoology

June

Vol.39, Iss. 1, Pages 01-134

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