Use of wood ash, dry chilli pepper fruits and onion scale leaves for reducing Callosobruchus maculatus (Fabricius) damage in cow-pea seeds during storage

Callosobruchus maculatus (F.) is a very serious pest of cow pea in storage in Nigeria and many other oountries (Singh, 1977; Tindall, 1983). Damaged seeds are riddled with emergence holes, defaced with egg covers and have reduced viability. Heavy attack causes severe powdering and weight loss. In Ni...

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Bibliographic Details
Published in:The Journal of agricultural science 1986-10, Vol.107 (2), p.467-468
Main Author: Ofuya, T. I.
Format: Article
Language:English
Subjects:
Biological and medical sciences
Bruchidae
Callosobruchus maculatus
damage
Food industries
Fruit and vegetable industries
Fundamental and applied biological sciences. Psychology
seed storage
Short Notes
storage pests
Vigna sinensis
Vigna unguiculata
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Summary:Callosobruchus maculatus (F.) is a very serious pest of cow pea in storage in Nigeria and many other oountries (Singh, 1977; Tindall, 1983). Damaged seeds are riddled with emergence holes, defaced with egg covers and have reduced viability. Heavy attack causes severe powdering and weight loss. In Nigeria, about 30–60% loss in cow pea is attributed to infestation and damage by bruchid beetles over a 3- to 6-month storage period, of which over 90% is caused by C. maculatus alone (Caswell, 1981).
ISSN:0021-8596
1469-5146
DOI:10.1017/S0021859600087281