Agricultural Studies, Vol. 1, Issue 1, Dec  2017, Pages 41-49; DOI: 10.31058/ 10.31058/

Probing the Effects Destruxins on Leopard Zeuzera Pyrina (L.) (Lepidoptera: Cossidae), in Olive Trees

, Vol. 1, Issue 1, Dec  2017, Pages 41-49.

DOI: 10.31058/

Magda Mahmoud Sabbour 1*

1 Department of Pests and Plant Protection, Agriculture Division, National Research Center, Giza, Egypt

Received: 19 December 2017; Accepted: 8 January 2018; Published: 26 January 2018

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Olive tree is subjected to attack by many insect pest species that effect on the yield quality and quantity. Among the most common pest species surveyed in Egypt is; the leopard Zeuzera pyrina (L.) (Lepidoptera: Cossidae), which considered a serious pest in olive fields causing a lot of damage and loss in olive trees. Destruxin consist of an a-hydroxyl acid and five amino acid residues. It is a cyclic hexadepsipeptide produced by fungus causing paralysis and death in insects. It causes the infestations decrease of many insect pests. The effect of destruxins was tested under laboratory and field conditions against Z. pyrina. Results showed that the LC50 of Destruxin recoded 139 ppm when the 3rd larval instars Z. pyrina treated with different concentrations. When the Isolate Destruxin A-304 applied on the target pests the LC50 recorded 33 ppm. Under field conditions, the infestations were significantly decreased to 7.0 ± 3.2 and 7.0 ± 4.2 larvae after treated with Isolate Destruxin A-304 in Ebn Malek and Ismailia, respectively. In the same last places the Isolate Destruxin A-366 application showed a significant decrease in the pests infestations reached to 45.0 ± 1.2 and 41.0 ± 1.2 larvae as compared to 99.0 ± 1.2 and 99.0 ± 1.2larvae in the control. The yields weights in both two regions were significantly increased as the result of Isolate Destruxin A-304 applications.


Zeuzera Pyrina, Destruxin, Isolates, Olive


© 2017 by the authors. Licensee International Technology and Science Press Limited. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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