Management of Entomopathogenic Nematodes on the Red Palm Weevil (Rhynchophorus Ferrugineus) Larvae) in Georgia

Authors : Nona Mikaia.

Volume/Issue : Volume 3 - 2018, Issue 11 - November

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Management; S. carpocapsae, S. feltiae and H. bacteriophora on the larvae investigated. In the bioassay, 9x5x5 cm sized plastic boxes were used. Base of each box, whatman filter paper was placed and a last instar larva of red palm weevil was put the 1000 infective Juveniles larva and were incubated at 25°C. After infection, R ferrugineus larvae were checked daily and mortality on larva were recorded. The study was ended at the end of 5th day and the results were evaluated. All entomopathogenic nematode species used in this study caused different mortality on red palm weevil larvae. The highest mortality was caused by S. carpocapsae with 96.4%, S. feltiae followed it with 92.6% and H. bacteriophora caused 56.2% mortality on R. ferrugineus larvae respectively. As a result, potential use against should be discussed to control this pest.

Keywords : Rhynchophorus ferrugineus; Steinernema. carpocapsae; Steinernema feltiae; Heterorhabditis bacteriophora.


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