Journal Articles: Recent submissions

Now showing items 341-360 of 516

Distribution and incidence of the oil palm weevil Rhynchophorus phoenicis (Fabricius, 1801) (Coleoptera: Curculionidae) in selected agroecological zones of Uganda

Baguma, J.; Otema, M.; Ddamulira, G.; Naluyimba, R.; Egonyu, J. P. (BioOne, 2019)

The genus Rhynchophorus (Herbst 1795) (Coleoptera: Curculionidae) is a key pest of palms worldwide, but information on Rhynchophorus spp. attacking the oil palm, Elaeis guineensis Jaquin in Uganda is outdated. This study ...
Evaluation of The Magnitude of Citus Yield Losses Due to African Citrus Triozid, False Codling Moth, the Greening Disease and Other Pests of Economic Importance in Kenya

Wangithi, Charity M. (IISTE, 2019)

Pests and diseases have continued to hamper productivity of the horticultural inductry round the globe. The Kenyan citrus industry is no exemption with a huge decline on its perfomance over the last decade. Although faced ...
Molasses grass induces direct and indirect defense responses in neighbouring maize plants.

Tolosa, T. A.; Kidoido, A.; Midega, C. A. O.; van den Berg, J.; Birkett, M. A.; Woodcock, C.M.; Bruce, T. J.; Kelemu, S.; Pickett, J. A.; Khan, Z. R. (Springer, 2019)

Plants have evolved intricate defence strategies against herbivore attack which can include activation of defence in response to stress-related volatile organic compounds (VOCs) emitted by neighbouring plants. VOCs released ...
A Bayesian analysis of longitudinal farm surveys in Central Malawi reveals yield determinants and site-specific management strategies.

Wang, H.; Snapp, S.; Fisher, M.; Viens, F. (PLOS ONE, 2019)

Understanding the challenges to increasing maize productivity in sub-Saharan Africa, especially agronomic factors that reduce on-farm crop yield, has important implications for policies to reduce national and global food ...
First Report of East African Cassava Mosaic Virus-Uganda Infecting the Nile Tulip Tree in Western Kenya

Joseph, Ndunguru; Martina, Kyallo; Elijah, Miinda Ateka; Mildred, Ochwo-Ssemakula (APS PUBLICATION, 2019)

Whitefly-transmitted cassava mosaic begomoviruses (CMBs; family Geminiviridae; genus Begomovirus) are viruses with bipartite genomes (components referred to as DNA-A and DNA-B) containing a conserved (between the two ...
Using “theory of change” to improve agricultural research: recent experience from Tanzania

Omore, A.; Kidoido, M.; Twine, E.; Kurwijila, L.; O’Flynn, M.; Githinji, J. (Taylor & Francis, 2019)

Demonstrating how agricultural research contributes to development outcomes is difficult but necessary given competing demands for scarce resources. This article summarises an adaptation of the “theory of change” approach ...
Gender appropriateness of field days in knowledge generation and adoption of push-pull technology in eastern Africa

Murage, A.; Pittchar, J.; Midega, C. A. O.; Onyango, C.; Pickett, J. A.; Khan, Z. R. (Elsevier, 2019)

The performance of the agricultural sector in many developing countries has been rated as belowaverage, in particular the staple cereal crops whose productivity is limited by both biotic and abioticfactors. Furthermore, ...
Do farmers and the environment benefit from adopting integrated pest management practices? Evidence from Kenya.

Midingoyi, S. K.; Kassie, M.; Muriithi, B.; Diiro, G.; Ekesi, Sunday. (John Wiley & Sons Ltd, 2019)

We estimate the impacts of a bundle of integrated pest management (IPM) practices on mango yield, mango net income, insecticide use, human health and the environment, using recent household survey data of mango growers in ...
Ethylene and benzaldehyde emitted from postharvest tomatoes inhibit Botrytis cinerea via binding to G-protein coupled receptors and transmitting with cAMP-signal pathway of the fungus.

Lin, Y.; Ruan, H.; Akutse, K.; Lai, B.; Lin, Yizhang; Hou, Y.; Zhong, F. (ACS Publications, 2019)

Tomato storage conditions are difficult largely due to Botrytis cinerea infection which causes gray mold disease. However, the effects of the volatile organic compounds (VOCs) emitted by postharvest tomatoes on this fungus ...
Species-specific transcriptional profiles of the gut and gut microbiome of Ceratitis quilicii and Ceratitis rosa sensu stricto

Khamis, F. M.; Mireji, P. O.; Ombura, F. L. O.; Malacrida, A. R.; Awuoche, E O.; Rono, M.; Mohamed, S. A.; Tanga, C. M.; Ekesi, Sunday. (Nature, 2019)

The fruit fly species, Ceratitis rosa sensu stricto and Ceratitis quilicii, are sibling species restricted to the lowland and highland regions, respectively. Until recently, these sibling species were considered as allopatric ...
Evaluation of Beauveria bassiana, Metarhizium anisopliae, and Bacillus thuringiensis for the management of Helicoverpa armigera (Hubner) (Lepidoptera: Noctuidae) under laboratory and field conditions

Fite, T.; Tefera, T.; Negeri, M.; Damte, T.; Sori, W. (Taylor & Francis, 2020)

The old-world bollworm, Helicoverpa armigera (Hubner) (Lepidoptera: Noctuidae), is a destructive pest of chickpeas that has proven difficult to control using conventional methods. We evaluated the virulence of 14 isolates ...
Reducing gender gaps in the awareness and uptake of drought-tolerant maize in Uganda: The role of education, extension services and social networks

Fisher, M.; Habte, E.; Ekere, W.; Abate, T.; Lewin, P. A. (AgriGender, 2019)

Cultivation of drought-tolerant (DT) maize seed reduces drought risk in sub-Saharan Africa. Data from eastern Uganda reveal gender gaps in awareness and adoption of DT maize. Among surveyed male household heads, 67.6 percent ...
Editorial: Parasitoids' Ecology and Evolution

Clarke, C. W.; Calatayud, P. -A.; Sforza, R. H.; Ndemah, R. N.; Nyamukondiwa, C. (Frontiers in Ecology and Evolution, 2019)
Insects for sustainable animal feed: inclusive business models involving smallholder farmers

Chia, S. Y.; Tanga, C. M.; van Loon, J. J. A.; Dick, M. (Elsevier, 2019)

Global population growth, an increasing demand for animalproducts and scarcity of conventional feed ingredients drivethe search for alternative protein sources for animal feed.Extensive research indicates that insects ...
Transaction costs magnitudes, market participation, and smallholder profitability in rural–urban vegetable supply chai

Baraka, B.; Mburu, J.; Muriithi, B. (Taylor & Francis, 2019)

Transaction costs are pervasive barriers in agricultural supply chains as they exclude farmers from profitable markets. Identification of these costs without reliance on proxy variables and their effects on smallholder ...
Chemical additives enhance the activity of a Bt‐based biopesticide targeting the beet webworm larvae.

Opisa, S.; Akutse, K. S.; du Plessis, H.; Fiaboe, K. K. M.; Ekesi, Sunday. (Wiley Online Library, 2020)

Spoladea recurvalis (Fbr.) (Lepidoptera: Crambidae) larvae can cause up to 100% foliage loss on amaranths during severe outbreaks. The Bacillus thuringiensis Subsp. kurstaki product Halt® is a biologically safe biopesticide ...
Farmers’ knowledge, attitudes and practices (KAP) on production of African indigenous vegetables in Kenya

Ntawuruhunga, D.; Affognon, H.; Fiaboe, K.; Abukutsa-Onyango, M.; Turoop, L.; Muriithi, B. W. (Springer, 2020)

Local knowledge, attitudes, and practices (KAP) regarding African Indigenous Vegetables (AIVs) among local growers are required to design effective vegetable productivity-enhancing interventions. However, limited studies ...
The comparative virulence of an atoxigenic strain of Aspergillus flavus (Eurotiales: Trichocomaceae) and the commercial ICIPE 69 Metarhizium anisopliae (Hypocreales: Clavicipitaceae) to the bean leaf beetle Ootheca mutabilis (Coleoptera: Chrysomelidae)

Mugonza, J.; Otim, J. M.; Egonyu, J. P. (Springer, 2020)

The recent isolation of an atoxigenic strain of Aspergillus flavus (Link) (Eurotiales: Trichocomaceae), which was virulent to all stages of Xylosandrus compactus (Eichhoff) (Coleoptera: Curculionidae) has generated interest ...
Metarhizium anisopliae and Beauveria bassiana: Pathogenicity, horizontal transmission, and their effects on reproductive potential of Thaumatotibia leucotreta (Lepidoptera: Tortricidae).

Mkiga, A. M.; Mohamed, S. A.; du Plessis, H.; Khamis, F. M.; Akutse, K.; Ekesi, Sunday. (Oxford University Press, 2020)

The polyphagous moth, Thaumatotibia leucotreta (Meyrick) is among the major constraints to the horticultural industry in East Africa. In a search of sustainable control methods, the pathogenicity of the dry conidia of 17 ...
Economic impacts of fall armyworm and its management strategies: evidence from southern Ethiopia

Kassie, M.; Wossen, T.; De Groote, H.; Tefera, T.; Subramanian, S.; Balew, S. (Oxford University Press and Foundation for the European Review of Agricultural Economics 2, 2020)

This paper explores the economic implications of fall armyworm (FAW) and its management strategies by exploiting exogenous variation in FAW exposure amongst households in southern Ethiopia. We find that FAW exposure affects ...

Now showing items 341-360 of 516

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