Insecticide

The impact of insecticide usage in cowpea, Vigna unguiculata (L.), productivity in Mokwa, Niger state, Nigeria

A checklist of indigenous pests of cowpea, Vigna unguiculata (L.) at Mokwa, Niger state, Nigeria, and their relative abundance were reported. The impacts of two most commonly used insecticides in the locality, i.e. Dimethoate and Cypermethrin, on cowpea productivity were elucidated. Thirteen insect species were listed, three of which were prominent at the seedling and prereproductive stages. These include: - Ootheca mutabilis, Empoasca dolichi and Medythia quarterna.

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