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Effect of Essential Oils of some Indigenous Plants on Settling and Oviposition Responses of Peach Fruit Fly, Bactrocera zonata (Diptera: Tephritidae)

Effect of Essential Oils of some Indigenous Plants on Settling and Oviposition Responses of Peach Fruit Fly, Bactrocera zonata (Diptera: Tephritidae)

Ayesha Ilyas1, Hafiz Azhar Ali Khan2,* and Abdul Qadir1,*

1College of Earth and Environmental Sciences, University of the Punjab, Lahore, Pakistan
2Institute of Agricultural Sciences, University of the Punjab, Lahore, Pakistan 

*      Corresponding authors: azhar_naturalist@yahoo.com

ABSTRACT

The experiments were set up to investigate the settling and ovipositional deterrent effects of crude leaf extracts of six indigenous plants viz., amaltas (Cassia fistula), datura (Datura alba), neem (Azadirachta indica), niazboo (Ocimum basilicum), yellow kaner (Thevetia peruviana) and safeda (Eucalyptus camaldulensis) against the peach fruit fly, Bactrocera zonata (Saunders), at 2% concentration in a free choice bioassays. Acetone, chloroform, petroleum ether and ethanol were used for oil extraction from leaves. Amongst the various treatments applied, the acetone extract of D. alba showed the highest repellency of 84.14%, whereas, the lowest repellency of 10.73% was observed by the chloroform extract of T. peruviana. Significant ovipositional deterrent effects of the extracts applied have been observed. Maximum oviposition inhibition was shown by petroleum ether extract of A. indica (57.14%), while the lowest ovipositon deterrence of 5.71 % was exhibted by the petroleum ether extract of C. fistula. However, in case of the petroleum ether extract of O. basilicum and the acetonic extract of Eucalyptus more pupae were developed in treated fruits as compared to their untreated guavas. The acetonic extracts of T. peruviana showed overall less settlings on both treated and untreated guavas resulting in less number of pupae developed. The results suggested that the extracts of plants tested in the present study could be considered in the management plans for the peach fruit fly.
 

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Pakistan Journal of Zoology (Associated Journals)

August

Vol. 49, Iss. 4, Pages 1151-1546

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