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Wild host plants of legume pod borer Maruca vitrata (Lepidoptera: Pyraloidea: Crambidae) in southern Niger and northern Nigeria

Published online by Cambridge University Press:  11 June 2010

Venu M. Margam ,
Ibrahim Baoua ,
Niango M. Ba ,
Mohammad F. Ishiyaku ,
Joseph E. Huesing ,
Barry R. Pittendrigh  and
Larry L. Murdock
Venu M. Margam
Affiliation:
Department of Entomology, Purdue University, West Lafayette, IN47907, USA Molecular Plant Resistance to Insects and Nematodes Team, Purdue University, West Lafayette, IN47907, USA
Ibrahim Baoua
Affiliation:
Institut National de la Recherche Agronomique du Niger (INRAN), Maradi, Niger
Niango M. Ba
Affiliation:
Institut de l'Environnement et de Recherches Agricoles (INERA), Station de Kamboinse, 01 BP 476, Ouagadougou 01, Burkina Faso
Mohammad F. Ishiyaku
Affiliation:
Institute of Agricultural Research (IAR), Ahmadu Bello University, Samaru-Zaria, Nigeria
Joseph E. Huesing
Affiliation:
Ecological Technology Center, Regulatory Product Safety Center, Monsanto Company, 800 N. Lindbergh Blvd, St Louis, MO63167, USA
Barry R. Pittendrigh*
Affiliation:
Department of Entomology, University of Illinois at Urbana-Champaign, IL61801, USA
Larry L. Murdock
Affiliation:
Department of Entomology, Purdue University, West Lafayette, IN47907, USA Molecular Plant Resistance to Insects and Nematodes Team, Purdue University, West Lafayette, IN47907, USA
*
*E-mail: pittendr@illinois.edu
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Abstract

We surveyed three locations in West Africa, two in northern Nigeria and one in southern Niger, for the presence of wild alternative hosts of the legume pod borer (LPB) Maruca vitrata Fabricius, which could serve as natural unstructured refugia for transgenic Bacillusthuringiensis (Bt)-cowpea. We surveyed a total of 67 sites in proximity to cowpea fields in the Sudan Savannah (Kano, Nigeria), the Northern Guinea Savannah (Zaria, Nigeria) and the Sahel Savannah (Maradi, Niger) ecological zones. The results indicate that alternative host plants for LPB are scarce or absent during the cowpea-growing season in these areas.

Keywords

Maruca vitrataVigna unguiculata subsp. unguiculatainsect resistance managementBt-cowpeanatural refugia
Type
Short Communication
Information
International Journal of Tropical Insect Science , Volume 30 , Issue 2 , June 2010 , pp. 108 - 114
Copyright
Copyright © ICIPE 2010

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