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This study sought to promote proper and safe pesticide-handling practices by providing data needed to guide pesticide regulation policy and training for extension staff and farmers. A household survey was conducted in three major potato-growing agroecological zones of Uganda. Two hundred and four...


Okonya, J.Kroschel, J.[A cross-sectional study of pesticide use and knowledge of smallholder potato farmers in Uganda.]A cross-sectional study of pesticide use and knowledge of smallholder potato farmers in Uganda.

Cowpea Vigna unguiculata (L.) Walp. is an important leafy vegetable and grain legume in Uganda. Unlike in commercial agriculture, where variety mixtures are known to give higher and more stable yields, the performance of cowpea variety mixtures in subsistence agriculture is little known. Mixtures...


Okonya, J.Maass, Brigitte L.[Potential of cowpea variety mixtures to increase yield stability in subsistence agriculture: preliminary results]Potential of cowpea variety mixtures to increase yield stability in subsistence agriculture: preliminary results

The present study presents the results of farmers’ field surveys of the sweetpotato butterfly, Acraea acerata Hew., and the two African sweetpotato weevils, Cylas puncticollis Boheman and C. brunneus F. infestation and damage. The objectives of this study were to determine (i) occurrence and dist...


Okonya, J.Kroschel, J.[Pest Status of Acraea acerata Hew. and Cylas spp. in sweetpotato (Ipomoea batatas (L.) Lam.) and incidence of natural enemies in the Lake Albert Crescent agro-ecological zone of Uganda.]Pest Status of Acraea acerata Hew. and Cylas spp. in sweetpotato (Ipomoea batatas (L.) Lam.) and incidence of natural enemies in the Lake Albert Crescent agro-ecological zone of Uganda.

Okonya, J.Mwanga, R.O.M.Syndikus, K.Kroschel, J.[Insect pests of sweetpotato in Uganda: farmers' perceptions of their importance and control practices.]Insect pests of sweetpotato in Uganda: farmers' perceptions of their importance and control practices.

Okonya, J.Kroschel, J.[Gender differences in access and use of selected productive resources among sweet potato farmers in Uganda.]Gender differences in access and use of selected productive resources among sweet potato farmers in Uganda.
Okonya, J.Maass, Brigitte L.[Protein and iron composition of cowpea leaves: an evaluation of six cowpea varieties grown in eastern Africa]Protein and iron composition of cowpea leaves: an evaluation of six cowpea varieties grown in eastern Africa

Biotic constraints cause major crop losses and, hence, food insecurity in sub-Saharan Africa. This study documented the popularity, production constraints, pests and diseases, farmers’ perceptions on the severity of biotic constraints and the impact of related crop losses on household food securi...


Okonya, J.Ocimati, W.Nduwayezu, A.Kantungeko, D.Niko, N.Blomme, GuyLegg, J.P.Kroschel, J.[Farmer reported pest and disease impacts on root, tuber, and banana crops and livelihoods in Rwanda and Burundi.]Farmer reported pest and disease impacts on root, tuber, and banana crops and livelihoods in Rwanda and Burundi.

It is increasingly becoming important to understand relationships between temperature (manifested at different altitude levels) and sweet potato insect pest characteristics in light of temperature changes as a result of global warming. Field surveys were conducted in Kabale district of Uganda alo...


Okonya, J.Kroschel, J.[Incidence, abundance and damage by the sweet potato butterfly (Acraea acerata Hew. and the African sweet potato weevils (Cylas spp.) across an altitude gradient in Kabale district, Uganda]Incidence, abundance and damage by the sweet potato butterfly (Acraea acerata Hew. and the African sweet potato weevils (Cylas spp.) across an altitude gradient in Kabale district, Uganda

Indigenous knowledge of seasonal weather forecasting could be useful in decision making at village level to best exploit the seasonal distribution of rainfall in order to increase or stabilize crop yields. We examined existing indigenous knowledge by interviewing 192 households in six regions of ...


Okonya, J.Kroschel, J.[Indigenous knowledge of seasonal weather forecasting: a case study in six regions of Uganda]Indigenous knowledge of seasonal weather forecasting: a case study in six regions of Uganda

In Uganda, weather-related events such as prolonged dry seasons, floods, storms, mudslides, extreme rainfall, and delayed/early rains have become more frequent and/or intense. This has left most of the rural poor farmers’ food insecure and their livelihoods threatened. A total of 192 sweetpotato ...


Okonya, J.Syndikus, K.Kroschel, J.[Farmers’ perception of and coping strategies to climate change: evidence from six agro-ecological zones of Uganda]Farmers’ perception of and coping strategies to climate change: evidence from six agro-ecological zones of Uganda

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