Journal of Biopesticide

Journal of Biopesticide

2009, Vol. 2, Issue2

PATHOGENICITY AND VIRULENCE OF FOUR ISOLATES OF METARHIZIUM ANISOPLIAE ON SELECTED NATURAL ENEMIES: CRYPTOLAEMUS MONTROUZIERI, ANAGYRUS KAMALI, LYSIPHLEBUS TESTACEIPES AND BRACON THURBERIPHAGAE


AUTHOR(S)
H. A. Brown and A. Khan1

ABSTRACT

Integrated Pest Management (IPM) involves the use of cultural, chemical and biological agents and more recently genetic modification to limit pest incidence in crop production. The effectiveness of the biological agents is dependent on the compatibility of the living organisms with the cultural and chemical components as well as other living organisms used in the programme. In this paper the pathogenicity of four isolates (ARSEF 932, ARSEF 954, IMI 152222 and IMI 299982) of the entomopathogenic fungus, Metarhizium anisopliae was tested against selected natural enemies viz., Cryptolaemus montrouzieri, Anagyrus kamali, Lysiphlebus testaceipes and Bracon thurberiphagae. Bioassays and probit analyses were used to determine the LC50 and LT50 of each fungal isolates against the natural enemies. The results of this study will be used to assist in the determination of the compatibility of M. anisopliae with the selected natural enemies when developing IPM programs in which these natural enemies are used as biological agents.


DOI
https://doi.org/10.57182/jbiopestic.2.2.199-203

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