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Title: First records of naturally occurring bio-agent of the red palm weevil Rhynchophorus Ferrugineus in Palestine.
Authors: Samara, Rana
Keywords: Rhynchophorus ferrugineus,;Beauveria bassiana;lethal concentration 50;conidial germination
Issue Date: Apr-2017
Publisher: The 1st International Conference on “Integrated Protection of Date Palms” (IPDP) 2017. Arabian Gulf University, Bahrain
Abstract: Red palm weevils Rhynchophorus ferrugineus is becoming a serious insect pest on date palm in the Mediterranean region and in Palestinian territories. Naturally occurring enemies collected from several localities could have a great potential in controlling invasive insect species. An indigenous strain of Beauveria bassiana (Ascomycota: Clavicipitaceae) isolated from naturally infected Rhynchophorus ferrugineus (Coleoptera: Curculionidae) larvae, pupae and adults were collected from several sites from the northern part of the West Bank. Identification and pathogenicity test were evaluated under laboratory and field conditions on module insect pests reared in the laboratories of Kadoorie Agriculture Research Centre (KARC)/ PTUK, West-bank/ Palestinian territories. Laboratory results showed that indigenous strains of B. bassiana can infect target insect pest tested (LC50 was 120-122 conidia per ml). Field preventive bioassays on apple trees infected with aphid, confirmed the potential of this strain as a biological control agent.
Description: Goal: New isolates of the local microbial strains of Beauveria bassiana were identified from red palm weevil from Palestinian area, such strain should have adapted to the regional climate and can have strong potentials in controlling domestic insect pests. Pathogenicity of the native entomopathogenic fungi, biology and sold state fermentation for mass production will be carried out at PTUK. While genetic diversity of the different stains and setting up molecular protocols and approaches, would be carried out at Geinsenheim University in Germany.
Appears in Collections:Sciences and Agricultural Technology Faculty

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