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Achieving sustainable food production in Africa: Roles of pesticides and biological control agents in integrated pest management
(University of Nairobi., 1994-04)
Food production in Africa is declining, while her population is increasing rapidly. Some factors responsible for low food productivity are mentioned; special attention is given to the problem of agricultural pests. The ...
Parasitism of Amblyomma variegatum by a Hymenopteran Parasitoid in the Laboratory, and Some Aspects of Its Basic Biology
(University of Nairobi., 1994-06)
Unfed Amblyomma variegatum F. nymphs were experimentally infected in the laboratory with a hymenopteran parasitoid, Ixodiphagus hookeri (Howard). The parasitoid was originally obtained from ticks collected from cattle in ...