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Now showing items 11-17 of 17
Insect and disease control
(University of Nairobi,, 1979)
Insect species associated with Cajanus cajan (L) Millsp. (Pigeon pea) in Kenya and their seasonal occurrence, Kenya
(University of Nairobi,, 1978)
Mechanisms of Sorghum resistance to the spotted stalkborer, Chilo partellus (Swinhoe) (Lepidoptera: Pyralidae)
(University of Nairobi,, 1985)
The spotted stalkborer Chilo partellus is one of the most notorious pests in Kenya of cereal crops especially maize and sorghum particularly in semi-arid areas. These studies showed that ovipositing maize stalkborers have ...
Evaluation of resistance to insecticides in the mosquito larvae of Anopheles gambae Giles and its control by microbial bacterial pathogens
(University of Nairobi,, 1989)
It was found that resistance factors of mosquito larvae were near unity for dieldrin, and 2 to 3 times for Malathion at both Ahero and Mwea, and 2 times for DDT at Ahero. These low resistance factors indicated little or ...
Estimation of the survival rates of field populations of malaria vectors in Kenya
(University of Nairobi,, 1985)
Results revealed that the average survival rates between the dry and the wet seasons mosquito populations of individual species was possible in An gambiae s. str. The survival for this species was higher during the dry ...
Studies on Population densities and some aspects of Control of the common Maize Stalkborer Chilo partellus Swinhoe, C. Orichalcocililla Strand. and Sesamia calamistis Hmps
(University of Nairobi,, 1981)
The population densities of the three coastal maize stalkborers, Chilo partellus Swin. C. orichalcoiliella Strand. and Sesamia calamistis Hmps. were estimated during the long rains of 1979, 1980 and 1981, showed the ...