Journal Articles: Recent submissions

Now showing items 241-260 of 516

Rapid acquisition, management, and analysis of spatial maize (Zea mays L.) phenological data—Towards ‘Big Data’ for agronomy transformation in Africa

Tonnang, H.E.Z; Balemi, T; Masuki, K.F; Mohammed, I; Adewopo, J; Adnan, A.A; Mudereri, B.T; Vanlauwe, B; Craufurd, P (Agronomy, 2020)

Mobile smartphones, open-source set tools, and mobile applications have provided vast opportunities for timely, accurate, and seamless data collection, aggregation, storage, and analysis of agricultural data in sub-Saharan ...
Genome wide association analysis of a stemborer egg induced “call-for-help” defence trait in maize

Tamiru, A.; Paliwal, R.; Manthi, S.J; Odeny, D.A; Midega, C.A.O.; Khan, Z.R.; Pickett, J.A.; Bruce, T.J.A. (Scientific Reports, 2020)

Tritrophic interactions allow plants to recruit natural enemies for protection against herbivory. Here we investigated genetic variability in induced responses to stemborer egg-laying in maize Zea mays (L.) (Poaceae). We ...
Local management and landscape structure determine the assemblage patterns of spiders in vegetable fields

Saqib, H.S.A; Chen, J.; Chen, W.; Pozsgai, G.; Akutse, K. S.; Ashraf, M.F; You, M.; Gurr, G.M. (Scientific Reports, 2020)

Both field- and landscape-scale factors can influence the predator communities of agricultural pests, but the relative importance and interactions between these scales are poorly understood. Focusing on spiders, an important ...
Mediation of potato–potato cyst nematode, Globodera rostochiensis interaction by specific root exudate compounds.

Ochola, J.; Cortada, L.; Ng’ang’a, M.; Hassanali, A.; Coyne, D.; Torto, B. (Frontiers in Plant Science, 2020)

Potato (Solanum tuberosum) is a widely consumed staple food crop worldwide whose production is threatened by potato cyst nematodes (PCN). To infect a host, PCN eggs first need to be stimulated to hatch by chemical components ...
Impact of integrated fruit fly management strategy on food security among smallholder mango farmers in Kenya.

Nyang'au, P.; Muriithi, B.; Nzuma, J.M.; Irungu, P.; Gichungi, H.; Diiro, G. (African Journal of Food, Agriculture, Nutrition and Development, 2020)

Adoption of agricultural innovations is perceived as a key avenue for poverty reduction and improved food and nutritional security in developing countries. The International Centre for Insect Physiology and Ecology (icipe) ...
Farmers’ knowledge and management practices of cereal, legume and vegetable insect pests, and willingness to pay for biopesticides.

Nyang'au, P.; Muriithi, B.; Diiro, G.; Akutse, K.S; Subramanian, S. (International Journal of Pest Management, 2020)

We utilized data from cereal, legume, and vegetable growers in Kenya and Uganda to assess their knowledge and management practices of common pests and willingness to pay (WTP) for biopesticides. The contingent valuation ...
Impact of push–pull cropping system on pest management and occurrence of ear rots and mycotoxin contamination of maize in western Kenya.

Njeru, N.K; Midega, C.A.O.; Muthomi, J.; Wagacha, J.M; Khan, Z.R. (Plant Pathology, 2020)

Push–pull involves intercropping of cereals with Desmodium as a “push” crop and planting Napier grass/Brachiaria as the “pull” crop at the border. The technology has been reported to effectively control stemborers, striga ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
Restricting pesticides on a traditional crop

Krueger, J.S.; Mutyambai, D.M. (Ecology and Society, 2020)

Rampant increase and diversification of synthetic pesticides poses health, environmental, and livelihood risks especially to smallholder farmers who dominate agriculture in sub-Saharan Africa. Legal mechanisms for regulating ...
Impact of fungal endophyte colonization of maize (Zea mays L.) on induced resistance to thrips- and aphid-transmitted viruses.

Kiarie, S.; Nyasani, J. O.; Gohole, L. S.; Maniania, N. K.; Subramanian, S. (Plants, 2020)

In eastern Africa, Maize lethal necrosis (MLN) is caused by the co-infection of maize plants with Maize chlorotic mottle virus (MCMV) (Tombusviridae: Machlomovirus) and Sugarcane mosaic virus (SCMV) (Potyviridae: Potyvirus). ...
Women’s empowerment boosts the gains in dietary diversity from agricultural technology adoption in rural Kenya. F

Kassie, M.; Fisher, M.; Muricho, G.; Diiro, G. (Elsevier, 2020)

Using new survey data from rural Kenya, this paper assesses the moderating effect of women’s empowerment on the relationship between agricultural technology adoption and women’s dietary diversity. We use a multiple treatment ...
Impacts of plant spacing and nitrogen fertiliser on incidences and density of spotted and African pink stem borers in Tanzania.

January, B.; Rwegasira, G.M; Tefera, T. (International Journal of Pest Management, 2020)

Nitrogen fertilisation and plant spacing hold potential for the integrated management of rice insect pests. Field experiments were conducted in Kilombero, Tanzania to evaluate the effects of plant spacing and nitrogenous ...
Investigation of Maize Lethal Necrosis (MLN) severity and cropping systems mapping in agro-ecological maize systems in Bomet, Kenya utilizing RapidEye and Landsat-8 Imagery.

Jafari Jozani, H.; Thiel, M.; Abdel-Rahman, E.M; Kyalo, R.; Landmann, T.; Subramanian, S.; Hahn, M. (Geology, Ecology, and Landscapes,, 2020)

Spatiotemporal information on crops and cropping systems can provide useful insights into disease outbreak mechanisms in croplands. In September 2011, a severe outbreak of Maize Lethal Necrosis (MLN) disease was reported ...

Now showing items 241-260 of 516

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