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Poster 2012

Autor: Atieno, E. Schulte-Geldermann, Elmar Narla, R.

Conventional potato production is not possible without fungicide and the commonly used fungicides are expensive and are considered as environmental and human hazards. The aim of the experiment was to evaluate the efficacy of Phosphonate fungicides, the potential of combination with potato cultiva...

Enlace original: https://cgspace.cgiar.org/handle/10568/66295

Investigación en Agricultura
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Atieno, E. ,  Schulte-Geldermann, Elmar ,  Narla, R. ,  [Integrating varietal resistance and phosphonate fungicide in management of foliar late blight in potato] ,  Integrating varietal resistance and phosphonate fungicide in management of foliar late blight in potato
Conference Paper Abstract 2015-11-25

Autor: Atieno, E. Schulte-Geldermann, Elmar Parker, M. Kreuse, T. Brenneis, K. Muchoki, J.

In Kenya, smallholder potato farmers endeavor to increase their production through various approaches, most commonly by expanding areas under production and repeatedly planting potato on the same site, with the latter resulting in build-up of diseases. Compounded with limited access to options to...

Enlace original: https://cgspace.cgiar.org/handle/10568/69082

Investigación en Agricultura
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Atieno, E. ,  Schulte-Geldermann, Elmar ,  Parker, M. ,  Kreuse, T. ,  Brenneis, K. ,  Muchoki, J. ,  [Evaluation of adoption potential of modern technologies in potato value chain by smallholder farmers in Kenya: Nyandarua County pilot case study.] ,  Evaluation of adoption potential of modern technologies in potato value chain by smallholder farmers in Kenya: Nyandarua County pilot case study.
Journal Article 2016-10

Autor: Okello, J.J. Zhou, Y. Kwikiriza, N. Ogutu, S.O. Barker, I. Schulte-Geldermann, Elmar Atieno, E. Ahmed, J.T.

Potato yields in sub-Saharan Africa remain very low compared with those of developed countries. Yet potato is major food staple and source of income to the predominantly smallholder growing households in the tropical highlands of this region. A major cause of the low potato yields is the use of p...

Enlace original: https://cgspace.cgiar.org/handle/10568/81183

Investigación en Agricultura
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Okello, J.J. ,  Zhou, Y. ,  Kwikiriza, N. ,  Ogutu, S.O. ,  Barker, I. ,  Schulte-Geldermann, Elmar ,  Atieno, E. ,  Ahmed, J.T. ,  [Determinants of the use of certified seed potato among smallholder farmers: the case of potato growers in central and eastern Kenya.] ,  Determinants of the use of certified seed potato among smallholder farmers: the case of potato growers in central and eastern Kenya.
Conference Paper 2016-07

Autor: Okello, J.J. Zhou, Y. Kwikiriza, N. Ogutu, S. Barker, I. Schulte-Geldermann, Elmar Ahmed, J. Atieno, E.

This paper used the propensity score method to assess the effect of using certified seed potato (CSP) on yield, input use, and food security among smallholder farmers. It focused on potato growers in central highlands of Kenya. The study found positive effect using certified seed on both yield an...

Enlace original: https://cgspace.cgiar.org/handle/10568/82583

Investigación en Agricultura
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Okello, J.J. ,  Zhou, Y. ,  Kwikiriza, N. ,  Ogutu, S. ,  Barker, I. ,  Schulte-Geldermann, Elmar ,  Ahmed, J. ,  Atieno, E. ,  [Welfare-environmental quality tradeoffs of promoting use of certified seed potato in tropical highlands of Africa: evidence from central highlands of Kenya.] ,  Welfare-environmental quality tradeoffs of promoting use of certified seed potato in tropical highlands of Africa: evidence from central highlands of Kenya.
Working Paper 2014

Autor: Quiróz, R. Harahagazwe, D. Condori, B. Barreda, Carolina Mendiburu, F. de Amele, A. Anthony, D. Atieno, E. Bararyenya, A. Byarugaba, A.A. Demo, P. Guerrero, J. Kowalski, B. Kude, D.A. Lung'aho, C. Mares, V. Mbiri, D. Mulugeta, G. Nasona, B. Ngugi, A. Njeru, J. Ochieng, B. Onditi, J. Parker, M. Randrianaivoarivony, M. Schulte-Geldermann, Elmar Tankou, C.M. Woldegiorgis, G. Worku, A.
Enlace original: https://cgspace.cgiar.org/handle/10568/67201

Investigación en Agricultura
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Quiróz, R. ,  Harahagazwe, D. ,  Condori, B. ,  Barreda, Carolina ,  Mendiburu, F. de ,  Amele, A. ,  Anthony, D. ,  Atieno, E. ,  Bararyenya, A. ,  Byarugaba, A.A. ,  Demo, P. ,  Guerrero, J. ,  Kowalski, B. ,  Kude, D.A. ,  Lung'aho, C. ,  Mares, V. ,  Mbiri, D. ,  Mulugeta, G. ,  Nasona, B. ,  Ngugi, A. ,  Njeru, J. ,  Ochieng, B. ,  Onditi, J. ,  Parker, M. ,  Randrianaivoarivony, M. ,  Schulte-Geldermann, Elmar ,  Tankou, C.M. ,  Woldegiorgis, G. ,  Worku, A. ,  [Potato yield gap analysis in SSA through participatory modeling: Optimizing the value of historical breeding trial data.] ,  Potato yield gap analysis in SSA through participatory modeling: Optimizing the value of historical breeding trial data.
Conference Paper 2014

Autor: Atieno, E. Narla, R.D. Parker, M. Forbes, G. Kimenju, J.W. Schulte-Geldermann, Elmar
Enlace original: https://cgspace.cgiar.org/handle/10568/66493

Investigación en Agricultura
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Atieno, E. ,  Narla, R.D. ,  Parker, M. ,  Forbes, G. ,  Kimenju, J.W. ,  Schulte-Geldermann, Elmar ,  [Enhancing resistance of potato cultivars with phosphonate fungicides in management of late blight in Kenya.] ,  Enhancing resistance of potato cultivars with phosphonate fungicides in management of late blight in Kenya.
Conference Paper 2014

Autor: Harahagazwe, D. Quiróz, R. Condori, B. Barreda, B. Mendiburu, F. de Amele, A. Anthony, D. Atieno, E. Bararyenya, A. Byarugaba, A.A. Demo, P. Lung'aho, C. Mbiri, D Mulugeta, G. Nasona, B. Onditi, J. Randrianaivoarivony, J.M. Mubeteneh Tankou, C. Worku, A. Guerrero, J.
Enlace original: https://cgspace.cgiar.org/handle/10568/66483

Investigación en Agricultura
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Harahagazwe, D. ,  Quiróz, R. ,  Condori, B. ,  Barreda, B. ,  Mendiburu, F. de ,  Amele, A. ,  Anthony, D. ,  Atieno, E. ,  Bararyenya, A. ,  Byarugaba, A.A. ,  Demo, P. ,  Lung'aho, C. ,  Mbiri, D ,  Mulugeta, G. ,  Nasona, B. ,  Onditi, J. ,  Randrianaivoarivony, J.M. ,  Mubeteneh Tankou, C. ,  Worku, A. ,  Guerrero, J. ,  [Potato yield gap analysis in Sub-Sahara Africa through participatory modeling: Optimizing the value of historial breeding trial data.] ,  Potato yield gap analysis in Sub-Sahara Africa through participatory modeling: Optimizing the value of historial breeding trial data.
Journal Article 2017-03

Autor: Okello, J.J. Zhou, Y. Kwikiriza, N. Ogutu, S. Barker, I. Atieno, E. Ahmed, J.T. Schulte-Geldermann, Elmar

Background: Potato is a major food crop in the tropical regions of Africa. However, potato yields continue to remain very low in these regions mainly due to use of poor quality seed. The recent development of rapid seed multiplication technique has helped to shorten the duration of certified seed...

Enlace original: https://cgspace.cgiar.org/handle/10568/92075

Investigación en Agricultura
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Okello, J.J. ,  Zhou, Y. ,  Kwikiriza, N. ,  Ogutu, S. ,  Barker, I. ,  Atieno, E. ,  Ahmed, J.T. ,  Schulte-Geldermann, Elmar ,  [Productivity and food security effects of using of certified seed potato: The case of Kenya's potato farmers] ,  Productivity and food security effects of using of certified seed potato: The case of Kenya's potato farmers

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