Aya Salhdar*⁽¹⁾ and Fadel Kaadeh⁽¹⁾

(1). Department of Animal Biology, Faculty of Science, University of Aleppo, Aleppo, Syria.

(*Corresponding author: Aya Salhdar. E-Mail:salhdar02@gmail.com).

Received: 29/08/2019                               Accepted: 06/11/2019

Abstract

The experiment was conducted in order to determine the efficacy of eucalyptus, chinaberry extracts and mint oil in repellent potato tuber moth, Phthorimaea operculella, under laboratory conditions, during the year 2018. Plant extracts were prepared with different concentrations i.e. 2.5%, 7%; and 10%. The results showed the efficacy of mint leaves oil in repellent the 2^nd instar larval where repellent percentage was 92% at a concentration of 10% and after 24 hours of treatment, but it was for eucalyptus leaves extract and chinaberry fruits extract 92%, 84% respectively, with the same concentration. The results also demonstrated that mint oil had an effect in repellent the adults of moth where the percentage was 100% after 24 hours of treatment, using 10% concentration, and at percentages of 100%, 84% when using eucalyptus and chinaberry extracts respectively, at the same concentration (10%). The results showed the possibility of controlling the potato tuber moth using mint oil and eucalyptus and chinaberry plant extracts.

Keyword: Plant extract, Mint oil, Phthorimaea operculella.

Full paper in Arabic: PDF