icipe Digital Repository: Recent submissions

Now showing items 681-700 of 1967

Understanding Striga occurrence and risk under changing climatic conditions across different agroecological farming systems at local and regional scales

Mudereri, Bester Tawona (University of the Western Cape, 2020)

The invasion by Striga in most cereal crop fields in Africa has posed an acute threat to food security and socioeconomic integrity. Consequently, numerous technological and research developments have been made to minimize ...
Management options for Rice Stem borers in irrigated low land rice ecosystems in Tanzania

Bonaventure, January (Sokoine University of Agriculture Morogoro, Tanzania, 2020)

Studies were carried out to establish the role and significance of rice stem borers as pests of rice crop in irrigated low land rice ecosystems in Tanzania; and to evaluate the effectiveness of some ...
The Effect of Rearing Temperature on the Vector Competence of Ae. aegypti Mosquito Populations from Kilifi and Nairobi Counties for Dengue-2 Virus

Chepkorir, Edith (Jomo Kenyatta University of Agriculture and Technology, 2015)

Susceptibility of Ae. aegypti mosquito to dengue virus (DENV) varies geographically and can be influenced by climatic factors such as temperature, which affect the incidence, seasonality and distribution of vector-borne ...
Damage to citrus and vegetables by Thaumatotibia leucotreta (Lepidoptera: Tortricidae) and prospects for control with entomopathogenic fungi

Mkiga, Abdullah Mohamed (North-West University, 2019)

Globally, orange is one of the major fruit crops contributing to nutrition and monetary income. False codling moth (FCM), Thaumatotibia leucotreta, is one of the major constraints of orange production. Before this study, ...
Sero-epidemiology of selected Arboviruses among Febrile patients in the lake/river basins of lake Baringo, lake Naivasha and river Tana, kenya

Caroline, Chepngeno Tigoi (Jomo Kenyatta University of Agricultural Technology, 2015)

Arboviruses cause emerging and re-emerging infections affecting humans and animals. They are spread primarily by blood-sucking insects such as mosquitoes, ticks, midges and sand flies. Changes in climate, ecology, demographics, ...
DNA Barcoding and Morphometrics of Stingless Bees (apidae: meliponinae) in three selected forests in Kenya

Ndungu, Nelly Njeri (Egerton University, 2010)

Stingless honeybee keeping is an income generating enterprise with an indirect potential of achieving the goal of forest and biodiversity conservation in Kenya. However, little information is available on species diversity ...
Assessment of the diversity and roles of bacterial symbionts in fruit fly development and response to biological control

Gichui, Joseph (North-West University, 2019)

Tephritid fruit flies are among the most destructive pest species of fruits and vegetables in many regions of the world. Apart from high losses in yield, tephritid fruit fly pests pose great socioeconomic and ecological ...
Status and Management of Rice Blast Disease caused by Pyricularia Oryzae cav. in upland rice in selected Regions in Tanzania

Ibrahim, Hashim (SOKOINE UNIVERSITY OF AGRICULTURE, MOROGORO, 2020)

This study aimed to enhance effective rice blast disease management by the establishment of the current status of the disease, its effect on yield of selected upland rice genotypes and the use of environmentally friendly ...
Biochemical Alterations in Maize Plants induced by Viruses causing Maize Lethal Necrosis and their Relevance for Insect Vectors

Litunya, Nelson Litunya (Egerton University, 2018)

Maize lethal necrosis (MLN) - a big threat to maize production and food security in Kenya, is caused by co-infection of maize with Maize chlorotic mottle virus (MCMV) and Sugarcane mosaic virus (SCMV). In severely affected ...
Evaluation of Entomopathogenic Fungi isolate(s) for Management of Melon Fruit Fly (Zeugodacus Zucurbitae) (Coquillette)

Onsongo, Kerubo Susan (UNIVERSITY OF EMBU, 2019)

The melon fly, Zeugodacus cucurbitae (Coquillett), is a serious pest of cucurbits, tree fruits and related crops in most continents of the world, including Africa. To manage the pest, most farmers in sub-Saharan Africa ...
Economics of Biological Control of Cereal Stemborers in eastern africa: a case Study of maize and Sorghum production in Kenya

Soul-kifouly, Gnonna Midingoyi (Kenyatta University, 2018)

The International Centre of Insect Physiology and Ecology (icipe), undertook a biological control (BC) programme for control of stemborers from 1993 to 2008, to reduce cereal yield losses due to stemborer attack in East ...
Knowledge and practices of pesticides use against the bean fly (Ophyiomyia phaseoli) and associated health effects among bean (Phaseolus vulgaris) smallholder farmers in Kabaru location, Nyeri County

Beritah, Mumbi Mutune (Jomo Kenyatta University of Agricultural Technology, 2019)

Farmers’ knowledge on pesticides use, the practices and the associated health effects is of great importance. The effect of pesticides on human health and the environment is a major global public health issue. The main ...
Carbon stocks variability in Agro Ecosystems along an Altitudinal Gradient: a case study of Taita Hills, Kenya

Njeru, Crispus Mugambi (University of Nairobi, 2016)

This study quantifies the effect of land cover change and seasonality on soil organic carbon and carbon dioxide emissivity. It takes to account the coupled inter-relationships with other ecological factors such as temperature ...
Fertilizer – Root Knot Nematodes Interactions in High Tunnel Tomato Production

Chepkoech Ngeno, Daisy (Jomo Kenyatta University of Agricultural Technology, 2019)

Tomato (Solanum lycopersicum) is one of the important vegetables grown in Kenya. It is the second leading vegetable in terms of production and nutritional value after the potato. Tomatoes are mainly grown by small scale ...
Infestation levels and molecular identification based on mitochondrial COI barcode region of five invasive Gelechiidae pest species in Kenya.

Kinyanjui, G.; Khamis, F. M.; Ombura, F.L.O.; Kenya, E. U.; Ekesi, S.; Mohamed, S. A. (Journal of Economic Entomology, 2019)

Invasive Gelechiidae pest species, namely Tuta absoluta, Phthorimaea operculella, Aproaerema simplixella, Sitotroga cerealella, and Pectinophora gossypiella are among the major constraints hampering agricultural economy ...
Detection of blood pathogens in camels and their associated ectoparasitic camel biting keds, Hippobosca camelina: the potential application of keds in xenodiagnosis of camel haemopathogens [version 1; peer review: awaiting peer review].

Kidambasi, K. O; Masiga, D. K; Villinger, J; Carrington, M; Bargul, J. L. (AAS Open Research, 2019)

Background: Major constraints to camel production include pests and diseases. In northern Kenya, little information is available about blood-borne pathogens circulating in one-humped camels ( Camelus dromedarius) or their ...
Low awareness and misconceptions of immature mosquito stages hinders community participation in integrated vector management in Malindi, Kenya.

Kibe, L. W.; Habluetzel, A.; Kamau, A.; Gachigi, J. K.; Mwangangi, J. M.; Mutero, C. M.; Mbogo, C. M. (Journal of Public Health and Diseases, 2019)

Understanding community perceptions of the significance, feasibility and utility of managing mosquito larvae and preventing breeding sites is important to developing strategies for improving implementation of larval control. ...
Bait attractants based on artificial fruit-essence for trapping and monitoring Drosophila suzukii (Diptera: Drosophilidae) females in Peshawar-Pakistan.

Khan, M. S.; Ullah, F.; Badshah, H.; Ahmad, B.; Shajehan, I. A.; Calatayud, P.-A. (Springer, 2019)

The spotted-wing drosophila, Drosophila suzukii (Matsumura) (Diptera: Drosophilidae), native to Asia was reported for the first time in Pakistan in 2005 from Islamabad. Following the recent detection of D. suzukii in cherry ...
Larval habitat diversity and mosquito species distribution along the coast of Kenya [version 1; peer review: awaiting peer review]

Karuitha, M.; Bargul, J.; Lutomiah, J.; Muriu, S.; Nzovu, J.; Sang, R.; Mwangangi, J.; Mbogo, C. (Wellcome Open Research, 2019)

Background: Management of arboviruses relies heavily on vector control. Implementation and sustenance of effective control measures requires regular surveillance of mosquito occurrences, species abundance and distribution. ...
Assortments of digestive enzymes induced in first instar larvae of Busseola fusca feeding on different plants.

Juma, G.; Le Ru, B.; Calatayud, P.-A. (SAGE, 2019)

The stem borer Busseola fusca (Fuller) (Lepidoptera: Noctuidae) is an important pest of maize and sorghum in sub-Saharan Africa. This insect has oligophagous feeding habits, feeding mostly on maize and sorghum with a narrow ...

Now showing items 681-700 of 1967

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