icipe Digital Repository: Recent submissions

Now showing items 581-600 of 1967

How to turn collectors of edible insects into mini-livestock farmers: Multidimensional sustainability challenges to a thriving industry

Nischalke, S.; Wagler, I.; Tanga, C.; Allan, D.; Phankaew, C.; Ratompoarison, C.; Razafindrakotomamonjy, A.; Kusia, E. (Global Food Security, 2020)

Edible insects reared under suitable climatic conditions are an efficient and ecological food source. However, most of the insects come from wild collection and not from farms (FAO, 2013). To establish insects as part of ...
Adoption and willingness to pay for the push–pull technology among smallholder maize farmers in Rwanda.

Niassy, S.; Kidoido, M.; Nyang’au, I. M; Pittchar, J. O.; Hailu, G.; Owino, R.; Amudavi, D.A; Khan, Z.R. (International Journal of Agricultural Extension and Rural Development, 2020)

The adoption and willingness to pay for a new technology by farmers is a sign of confidence on its effective performance and a motivation for the researchers and extension agents. This study comprised an assessment of the ...
Evaluating effectiveness of screening house eaves as a potential intervention for reducing indoor vector densities and malaria prevalence in Nyabondo, western Kenya.

Ng’ang’a, P.N.; Okoyo, C.; Mbogo, C.; Mutero, C. M. (Malaria Journal, 2020)

Background Mosquito-proofing of houses using wire mesh screens is gaining greater recognition as a practical intervention for reducing exposure to malaria transmitting mosquitoes. Screening potentially protects all persons ...
Widespread army ant aversion among East African jumping spiders (Salticidae).

Nelson, X.J; Aguilar-Arguello, S.; Jackson, R.R (Journal of Ethology, 2020)

Jumping spiders (Salticidae) typically prey on a variety of arthropods of similar size to themselves, but rarely on ants. Using 28 salticid species from East Africa, we frst investigated vision-based aversion to ants by ...
Interactions between two parasitoids of Tephritidae

Ndlela, S.; Mohamed, S. A.; Azrag, A.G.; Ndegwa, P. N.; Ong’amo, G.O.; Ekesi, Sunday. (Insects, 2020)

The braconid wasp, Diachasmimorpha longicaudata (Ashmead), was introduced in Kenya from Hawaii for classical biological control of the invasive tephritid, Bactrocera dorsalis Hendel. Following reports that D. longicaudata ...
Health and environmental effects of adopting an integrated fruit fly management strategy among mango farmers in Kenya

Mwungu, C. M.; Muriithi, B.; Ngeno, V.; Affognon, H.; Githiomi, C.; Diiro, G.; Ekesi, Sunday. (African Journal of Agricultural and Resource Economics, 2020)

Integrated pest management (IPM) has been promoted globally as an alternative approach to the widespread broad-spectrum chemical insecticidal application for the control of pests and diseases in agricultural production to ...
Integrated management of Aphis craccivora in cowpea using intercropping and entomopathogenic fungi under field conditions.

Mweke, A.; Akutse, K.S; Ulrichs, C.; Fiaboe, K.K.M; Maniania, N.K; Ekesi, Sunday. (Journal of Fungi, 2020)

Cowpea aphid, Aphis craccivora, is a major cowpea pest. Cowpea–cereal intercrop alone does not effectively manage the pest. Use of pesticides in intercrop leads to health and environmental risks. Fungal-based biopesticides ...
Impact of Plasmodium falciparum small-sized extracellular vesicles on host peripheral blood mononuclear cells [version 1; peer review: awaiting peer review.

Mwangi, S.J; Gwela, A.; Kioko, M.; Bargul, J.L; Nduati, E. W.; Ndungu, F.M; Bejon, P.; Rayner, J.C.; Abdi, A.I. (Wellcome Open Research, 2020)

Background: Exagerated immune activation has a key role in the pathogenesis of malaria. During blood-stage infection, Plasmodium falciparum can interact directly with host immune cells through infected red blood cells ...
Evaluating the impact of larviciding with Bti and community education and mobilization as supplementary integrated vector management interventions for malaria control in Kenya and Ethiopia

Mutero, C. M.; Okoyo, C.; Girma, M.; Mwangangi, J.; Kibe, L.; Ng’ang’a, P.; Kussa, D.; Affognon, H.; Mbogo, C. M. (Malaria Journal, 2020)

Background Malaria prevention in Africa is mainly through the use of long-lasting insecticide treated nets (LLINs). The objective of the study was to assess the effect of supplementing LLINs with either larviciding with ...
Arboviruses and blood-meal sources in zoophilic mosquitoes at human-wildlife interfaces in Kenya.

Musa, A.A; Muturi, M.W.; Musyoki, A.M; Ouso, D.O.; Oundo, J.W; Makhulu, E.E; Wambua, L.; Villinger, J.; Jeneby, M.M (Vector-Borne and Zoonotic Diseases, 2020)

Background: Zoophilic mosquitoes play an important role in the transmission of arboviruses of medical importance at human-wildlife interfaces, yet arbovirus surveillance efforts have been focused mostly on anthropophilic ...
Potential adoption of integrated pest management strategy for suppression of mango fruit flies in East Africa: An ex ante and ex post analysis in Ethiopia and Kenya

Muriithi, B. W.; Gathogo, N.; Diiro, G.; Mohamed, S; Ekesi, S. (Agriculture, 2020)

To sustain agricultural development in Africa, innovative strategies for addressing a myriad of biotic and abiotic constraints facing the agricultural systems must be established. One current biotic stress is the mango ...
Studying abroad during the COVID-19 pandemic: The experiences of three African women PhD students.

Munganyinka, J. P; Thiam, F; Wairimu, F.; Fisher, S.; Skilton, R.; Osiru, M.; Achoka, P.; Abdulle, S. (The ADVANCE Journal, 2020)

International students have faced unique challenges during the COVID-19 Pandemic. This essay shares three stories from African women doctoral students who are scholarship recipients under the Regional Scholarship and ...
Potential of resampled multispectral data for detecting desmodium–brachiaria intercropped with maize in a ‘push-pull’ system.

Mudereri, B.T; Abdel-Rahman, E.; Dube, T.; Landmann, T.; Niassy, S.; Tonnang, E.H.Z.; Khan, Z. R. (The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020)

Poor crop yields remain one of the main causes of chronic food insecurity in Africa. This is largely caused by insect pests, weeds, unfavourable climatic conditions and degraded soils. Weed and pest control, based on the ...
Multi-source spatial data-based invasion risk modeling of striga (Striga asiatica) in Zimbabwe.

Mudereri, B.T.; Abdel-Rahman, E.; Dube, T.; Landmann, T.; Khan, Z.R.; Kimathi, E.; Owino, R.; Niassy, S. (GIScience & Remote Sensin, 2020)

Monitoring of destructive invasive weeds such as those from the genus Striga requires accurate, near real-time predictions and integrated assessment techniques to enable better surveillance and consistent assessment ...
Landscape fragmentation in coffee agroecological subzones in central Kenya : A multiscale remote sensing approach.

Mosomtai, G.; Odindi, J.; Abdel-Rahman, E. M.; Babin, R.; Fabrice, P.; Mutanga, O.; Tonnang, E. H. Z.; David, G.; Landmann, T. (Journal of Applied Remote Sensing, 2020)

Smallholder agroecological subzones (AEsZs) produce an array of crops occupying large areas throughout Africa but remain largely unmapped. We explored multisource satellite datasets to produce a seamless land-use and ...
Potato cyst nematodes: A new threat to potato production in East Africa

Mburu, H.; Cortada, L.; Haukeland, S.; Ronno, W.; Nyongesa, M.; Kinyua, Z.; Bargul, J.L; Coyne, D. (Frontiers in Plant Science, 2020)

Potato cyst nematodes (PCN), such as Globodera rostochiensis and Globodera pallida, are quarantine restricted pests of potato causing major yield and financial losses to farmers. G. rostochiensis was first reported from ...
Forum paper: Insect chemical ecology: Chemically mediated interactions and novel applications in agriculture

Mbaluto, C. M.; Ayelo, P.M.; Duffy, A. G.; Erdei, A.L; Tallon, A.K.; Xia, S.; Cabalerro-Vidal, G.; Spitaler, U.; Szelényi, M.O; Duarte, G.A.; Wallker III, W.B; Becher, P.G (Arthropod and Plant Interactions, 2020)

Insect chemical ecology (ICE) evolved as a discipline concerned with plant–insect interactions, and also with a strong focus on intraspecific pheromone-mediated communication. Progress in this field has rendered a more ...
Suitability of resampled multispectral datasets for mapping flowering plants in the Kenyan savannah

Makori, D.M.; Abdel-Rahman, E. M.; Landmann, T.; Mutanga, O.; Odindi, J.; Nguku, E.; Tonnang, E. H. Z.; Raina, S. (PLoS ONE, 2020)

Pollination services and honeybee health in general are important in the African savannahs particularly to farmers who often rely on honeybee products as a supplementary source of income. Therefore, it is imperative to ...
Responses of stemborer Chilo partellus to volatiles emitted by maize landraces exposed to signal grass (Brachiria brizantha).

Magara, H. J. O; Mutyambai, D.M.; Midega, C.A.O; Otieno, S.A; Nyaga, T.M; Niassy, S.; Khan, Z.R. (ournal of Plant Interactions, 2020)

This study sought to evaluate the oviposition responses of Chilo partellus (Lepidoptera: Crambidae) on maize plants exposed to Brachiaria brizantha Stapf following oviposition by C. partellus and nonexposed maize. Two ...
Gendered analysis of the demand for poultry feed in Kenya.

Macharia, J.N.; Diiro, G.M.; Busienei, J.R.; Munei, K.; Affognon, H. D.; Ekesi, Sunday.; Muriithi, B.; Nakimbugwe, D.; Tanga, C. M.; Fiaboe, K.K.M. (Agrekon, 2020)

This paper uses a translog cost function approach to study the farm-level demand for poultry feed in Kenya. The study estimates the demand elasticities of the three common types of poultry feed; mixed feed, grain, and ...

Now showing items 581-600 of 1967

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