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Ecological studies on some olive pests in Egypt and their biocontrol / Samah Mohamed Yassien Helmy ; Supervised Sayed Ashraf Elarnaouty , Abdelaziz Mahmoud Ahmed Ibrahim , Saber Fahim Mahmoud Moussa

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Samah Mohamed Yassien Helmy , 2014Description: 172 P. : charts ; 25cmOther title:
  • دراسات إيكولوجية على بعض آفات الزيتون فى مصر و طرق مكافحتها بيولوجياُ [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of Agriculture - Department of Economic Entomology and Pesticides Summary: This study was conducted to study the scale insects, Saissetia oleae and Hemiberlesia lataniae infesting olive trees and their biocontrol in Egypt. The survey revealed of 4 diaspidid species and 1 coccoid specie in Six orchards of olive trees. It was clear that S. oleae was higher in population in the 3rd season (6999 individuals / 7 branches) than the 1st and 2nd season (131 and 39 individuals/ 7 branches) respectively S. oleae nymphs considered the most abundant stage. The three abiotic factors had highly significant effect. The highest percentage of parasitism of scutellista cyanea on S. oleae was in early November. The highest percentage of parasitism of metaphycus flavus on S. oleae was in early March. H. lataniae was also studied on olive trees. Results revealed of 3 peaks. H. lataniae different stages and total population were higher in the first season 2009 - 2010
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.07.08.Ph.D.2014.Sa.E (Browse shelf(Opens below)) Not for loan 01010110063974000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.07.08.Ph.D.2014.Sa.E (Browse shelf(Opens below)) 63974.CD Not for loan 01020110063974000

Thesis (Ph.D.) - Cairo University - Faculty of Agriculture - Department of Economic Entomology and Pesticides

This study was conducted to study the scale insects, Saissetia oleae and Hemiberlesia lataniae infesting olive trees and their biocontrol in Egypt. The survey revealed of 4 diaspidid species and 1 coccoid specie in Six orchards of olive trees. It was clear that S. oleae was higher in population in the 3rd season (6999 individuals / 7 branches) than the 1st and 2nd season (131 and 39 individuals/ 7 branches) respectively S. oleae nymphs considered the most abundant stage. The three abiotic factors had highly significant effect. The highest percentage of parasitism of scutellista cyanea on S. oleae was in early November. The highest percentage of parasitism of metaphycus flavus on S. oleae was in early March. H. lataniae was also studied on olive trees. Results revealed of 3 peaks. H. lataniae different stages and total population were higher in the first season 2009 - 2010

Issued also as CD

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