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Insects 2015, 6(1), 77-84; doi:10.3390/insects6010077

Control of Cowpea Weevil, Callosobruchus Maculatus (F.) (Coleoptera: Bruchidae), Using Natural Plant Products

1
Department of Crop Science and Production, Botswana College of Agriculture, Private Bag 0027, Gaborone, Botswana
2
Ministry of Agriculture, Department of Agricultural Research, Private Bag 0033, Gaborone, Botswana
*
Author to whom correspondence should be addressed.
Academic Editor: Paul Weston
Received: 16 June 2014 / Accepted: 11 November 2014 / Published: 31 December 2014
(This article belongs to the Special Issue Insect-Plant Interactions)
View Full-Text   |   Download PDF [69 KB, uploaded 31 December 2014]

Abstract

A laboratory study was conducted to investigate the effects of natural products on the reproduction and damage of Callosobruchus maculatus, the cowpea weevil, on cowpea seeds at Botswana College of Agriculture in Gaborone, Botswana. The cowpea variety Blackeye was used in the study. Fifty grams of each plant product (garlic, peppermint and chilies) was added to 500 g of the cowpea seeds. Findings of this experiment revealed that chilies and garlic had negative effects on cowpea weevils for all parameters measured. Peppermint also showed significant reduction in the F1 progeny of the cowpea weevils but with less effect on weevils than garlic and chilies. The results indicate that these plant products have the potential to protect cowpea seeds from cowpea weevils’ damage compared to when the seeds are left or stored unprotected. They should, therefore, be included in pest management strategies for cowpea weevil in grains stored on-farm in rural tropical and subtropical regions. View Full-Text
Keywords: cowpeas; infestation; management; weevils cowpeas; infestation; management; weevils
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Tiroesele, B.; Thomas, K.; Seketeme, S. Control of Cowpea Weevil, Callosobruchus Maculatus (F.) (Coleoptera: Bruchidae), Using Natural Plant Products. Insects 2015, 6, 77-84.

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