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Journal Article 2014

Autor: Okonya, J. Maass, Brigitte L.
Enlace original: https://cgspace.cgiar.org/handle/10568/42323

Investigación en Agricultura
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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
Journal Article 2019-03

Autor: Okonya, J. Ocimati, W. Nduwayezu, A. Kantungeko, D. Niko, N. Blomme, Guy Legg, J.P. Kroschel, J.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/100344

Investigación en Agricultura
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Okonya, J. ,  Ocimati, W. ,  Nduwayezu, A. ,  Kantungeko, D. ,  Niko, N. ,  Blomme, Guy ,  Legg, 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.
Journal Article 2013

Autor: Okonya, J. Kroschel, J.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/52122

Investigación en Agricultura
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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
Journal Article 2013

Autor: Okonya, J. Kroschel, J.

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 ...

Enlace original: https://cgspace.cgiar.org/handle/10568/52123

Investigación en Agricultura
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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
Poster Abstract 2015-09-16

Autor: Okonya, J. Mujica, N. Carhuapoma, P. Kroschel, J.

In tropical Africa, the sweetpotato butterfly Acraea acerata, is a major endemic pest of sweetpotato (Ipomoea batatas (L.) Lam). Outbreaks of A. acerata are reported by farmers in Uganda to be more frequent than in the past 10 years. We therefore hypothesise that global warming may be responsible...

Enlace original: https://cgspace.cgiar.org/handle/10568/68888

Investigación en Agricultura
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Okonya, J. ,  Mujica, N. ,  Carhuapoma, P. ,  Kroschel, J. ,  [Will global warming affect the distribution and abundance of the sweetpotato butterfly Acraea acerata Hew. in Africa?] ,  Will global warming affect the distribution and abundance of the sweetpotato butterfly Acraea acerata Hew. in Africa?
Poster Abstract 2014

Autor: Okonya, J. Miethbauer, T. Kroschel, J.
Enlace original: https://cgspace.cgiar.org/handle/10568/67163

Investigación en Agricultura
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Okonya, J. ,  Miethbauer, T. ,  Kroschel, J. ,  [Practices and use of pesticides by smallholder potato farmers in Uganda: A cross sectional survey.] ,  Practices and use of pesticides by smallholder potato farmers in Uganda: A cross sectional survey.
Journal Article 2013

Autor: Okonya, J. Syndikus, K. Kroschel, J.

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 ...

Enlace original: https://cgspace.cgiar.org/handle/10568/52124

Investigación en Agricultura
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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
Conference Paper 2009

Autor: Okonya, J. Omadi, R Polreich, S Maass, Brigitte L.
Enlace original: https://cgspace.cgiar.org/handle/10568/65531

Investigación en Agricultura
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Okonya, J. ,  Omadi, R ,  Polreich, S ,  Maass, Brigitte L. ,  [How does traditional harvesting of young leaves for vegetable use affect seed yields of cowpea variety mixtures in Eastern Uganda?] ,  How does traditional harvesting of young leaves for vegetable use affect seed yields of cowpea variety mixtures in Eastern Uganda?
Journal Article 2016

Autor: Okonya, J. Kroschel, J.

As we initiate entomological research on potato (Solanum tuberosum L.) in Uganda, there is need to understand farmers’ knowledge of existing insect pest problems and their management practices. Such information is important for designing a suitable intervention and successful integrated pest mana...

Enlace original: https://cgspace.cgiar.org/handle/10568/72707

Investigación en Agricultura
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Okonya, J. ,  Kroschel, J. ,  [Farmers’ knowledge and perceptions of potato pests and their management in Uganda.] ,  Farmers’ knowledge and perceptions of potato pests and their management in Uganda.

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