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Pakistan Journal of Biological Sciences
  Year: 2017 | Volume: 20 | Issue: 7 | Page No.: 320-327
DOI: 10.3923/pjbs.2017.320.327
Effectiveness of Metarhizium anisopliae and Entomopathogenic Nematodes to Control Oryctes rhinoceros Larvae in the Rainy Season
Dyah Rini Indriyanti , Priyantini Widiyaningrum, Haryuni , Muji Slamet and Yoris Adi Maretta

Abstract:
Background and Objective: Metarhizium anisopliae (MET) and entomopathogenic nematodes (EPN) are microorganisms that attack the larvae of Oryctes rhinoceros. The effects of MET, EPN and the combination of both on the O. rhinoceros larvae were studied during the rainy season in Jepara Indonesia. This study aimed to determine the effectiveness of Metarhizium anisopliae and entomopathogenic nematodes to control Oryctes rhinoceros larvae in the rainy season. Materials and Methods: There were four level doses of MET, four level doses of EPN and four mixture of MET and EPN. The experiment used 72 containers that were placed in the garden with coconut palm shade. Five kilograms of organic soil that was mixed with biological control agents (MET, EPN and MET+EPN) and ten O. rhinoceros larvae 3rd instar were put in each other container. The data were analyzed by descriptive analysis. Results: Every larvae mortality was observed once a week and observations are for 8 weeks. The result showed that the larval mortality due to MET treatment occurred on 2nd-7th week. Meanwhile, the larval mortality due to EPN treatment took place on 2nd-8th weeks and the larval mortality due to MET+EPN treatment occurred on 1st-5th weeks. Conclusion: The combination of MET and EPN was simultaneously effective to control O. rhinoceros larvae than separate use of MET or EPN. Result of this study showed that using two agents of biocontrol was more effective, so that it can be beneficial for controlling O. rhinoceros larvae in the field.
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How to cite this article:

Dyah Rini Indriyanti, Priyantini Widiyaningrum, Haryuni , Muji Slamet and Yoris Adi Maretta, 2017. Effectiveness of Metarhizium anisopliae and Entomopathogenic Nematodes to Control Oryctes rhinoceros Larvae in the Rainy Season. Pakistan Journal of Biological Sciences, 20: 320-327.

DOI: 10.3923/pjbs.2017.320.327

URL: http://scialert.net/abstract/?doi=pjbs.2017.320.327

 
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