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Journal Article 2014

Autor: Njukwe, E. Onadipe, O. Amadou Thierno, D. Hanna, R. Kirscht, H. Maziya-Dixon, B.B. Araki, S. Ngue-Bissa, T.

The study was conducted in three regions (Southwest and Littoral, South and Centre, West and Northwest) of Cameroon to document cassava processed products andtoassess processing constraints among small-holder farmers. A total of twelve small-scale processing units and five marketer...

Enlace original: https://cgspace.cgiar.org/handle/10568/75905

Investigación en Agricultura
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Njukwe, E. ,  Onadipe, O. ,  Amadou Thierno, D. ,  Hanna, R. ,  Kirscht, H. ,  Maziya-Dixon, B.B. ,  Araki, S. ,  Ngue-Bissa, T. ,  [Cassava processing among smallholder farmers in Cameroon: opportunities and challenges] ,  Cassava processing among smallholder farmers in Cameroon: opportunities and challenges
Journal Article 2015

Autor: Hanna, R. Kuate, A.F. Nanga, S.N. Tindo, M. Nagel, P.

The scale insect, Stictococcus vayssierei, is one of the major pests and constraints to cassava production in the Congo Basin. It is frequently found associated with the ground nesting ant, Anoplolepis tenella, under cassava plant. Amdro fire ant bait granules (contains 7.3 g/kg Hydramethylnon), ...

Enlace original: https://cgspace.cgiar.org/handle/10568/74445

Investigación en Agricultura
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Hanna, R. ,  Kuate, A.F. ,  Nanga, S.N. ,  Tindo, M. ,  Nagel, P. ,  [Boric acid for suppression of the ant Anoplolepis tenella and effects on an associated scale insect pest Stictococcus vayssierei in cassava fields in the Congo Basin] ,  Boric acid for suppression of the ant Anoplolepis tenella and effects on an associated scale insect pest Stictococcus vayssierei in cassava fields in the Congo Basin
Conference Proceedings 2012-02

Autor: Njukwe, E. Duindam, J. Hauser, S. Maziya-Dixon, B.B. Amadou Thierno, D. Onadipe, O. Mbairanodji, A. Ngue-Bissa, T. Kirscht, H. Hanna, R.

Cassava (Manihot esculenta Crantz) is the main starchy staple in many parts of Cameroon, with 80% of rural and urban households consuming cassava and cassava derived products on a daily basis. Cassava products are commercialized mostly to supply household consumer markets with a total estimated e...

Enlace original: https://cgspace.cgiar.org/handle/10568/81295

Investigación en Agricultura
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Njukwe, E. ,  Duindam, J. ,  Hauser, S. ,  Maziya-Dixon, B.B. ,  Amadou Thierno, D. ,  Onadipe, O. ,  Mbairanodji, A. ,  Ngue-Bissa, T. ,  Kirscht, H. ,  Hanna, R. ,  [Development and dissemination of a manual cassava chipper in Cameroon] ,  Development and dissemination of a manual cassava chipper in Cameroon
Conference Proceedings 2012-02

Autor: Njukwe, E. Nguenkam, A. Mbairanodji, A. Ngue-Bissa, T. Hanna, R.

Cassava is an important staple food for consumption and income generation for farming communities in Cameroon with some estimated 204,548 hectares devoted to it and corresponding annual production of 2.5 million tons. However, most cultivated varieties are susceptible to pest and diseases causing...

Enlace original: https://cgspace.cgiar.org/handle/10568/81296

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Njukwe, E. ,  Nguenkam, A. ,  Mbairanodji, A. ,  Ngue-Bissa, T. ,  Hanna, R. ,  [Improving food security and income and enhancing farmers' livelihoods in Cameroon through the introduction and promotion of improved cassava germplasm] ,  Improving food security and income and enhancing farmers' livelihoods in Cameroon through the introduction and promotion of improved cassava germplasm
Conference Paper 2010

Autor: Tata-Hangy, K.W. Legg, J.P. Lema, K.M. Hanna, R. Luyindula, N.

An experiment was conducted over two years (in 2004 and 2005) at the research station of the National Institute of Agricultural Study and Research (INERA) in Mvuazi, Bas-Congo province to determine the incidence of the cassava mosaic disease (CMD) in relation to the source of planting material an...

Enlace original: https://cgspace.cgiar.org/handle/10568/90652

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Tata-Hangy, K.W. ,  Legg, J.P. ,  Lema, K.M. ,  Hanna, R. ,  Luyindula, N. ,  [The incidence of the cassava mosaic disease in relation with the source of planting materials and its impact on cassava production] ,  The incidence of the cassava mosaic disease in relation with the source of planting materials and its impact on cassava production
Conference Paper 2007

Autor: Tindo, M. Hanna, R. Wijnans, L. Nolte, C. Goergen, Georg E. Nguekam, A. Ngeve, J.M.

The African root and tuber scale (ARTS) Stictococcus vayssierei Richard is a subterranean insect originally infesting several native plant species in the forest zones of Central Africa. With help of the native ant Anoplolepis tenella Santchi, ARTS has recently emerged as a major constraint to cas...

Enlace original: https://cgspace.cgiar.org/handle/10568/90603

Investigación en Agricultura
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Tindo, M. ,  Hanna, R. ,  Wijnans, L. ,  Nolte, C. ,  Goergen, Georg E. ,  Nguekam, A. ,  Ngeve, J.M. ,  [Pre-planting removal of host-plant residues to reduce African root and tuber scale infestations in cassava fields in Cameroon] ,  Pre-planting removal of host-plant residues to reduce African root and tuber scale infestations in cassava fields in Cameroon
Conference Paper 2007

Autor: Tata-Hangy, K.W. Hanna, R. Toko, M. Lema, K.M. Solo, M.

A two year follow up of the African root and tuber scale (ARTS) population dynamics was conducted on two cassava cultivars, a sweet variety Lueki and a bitter variety Mvuama, in a highly infested site of secondary agro-ecological forest zone of Bas-Flueve District, in D.R. Congo. Both cultivars w...

Enlace original: https://cgspace.cgiar.org/handle/10568/90607

Investigación en Agricultura
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Tata-Hangy, K.W. ,  Hanna, R. ,  Toko, M. ,  Lema, K.M. ,  Solo, M. ,  [Changes in population abundance of the African root and tuber scale stictococcus vayssierei Richard (hornoptera; stictococcidae) on cassava in the bas-fleuve district in the democratic Republic of Congo] ,  Changes in population abundance of the African root and tuber scale stictococcus vayssierei Richard (hornoptera; stictococcidae) on cassava in the bas-fleuve district in the democratic Republic of Congo
Conference Paper 2007

Autor: Pallangyo, B. Hanna, R. Toko, M. Gnanvossou, D. Mgoo, V. Otema, M. Onzo, A. Hountondji, F.C.C. Nsami, E. Mfugale, O.

The cassava green mite Mononychellus tanajoa (Bondar) (Acari: Tetranychidae) is one of the most important pests of cassava, a main staple food crop in Tanzania. The International Institute of Tropical Agriculture (ETA) in collaboration with the Tanzania National Biological Control P r o m (NBCP) ...

Enlace original: https://cgspace.cgiar.org/handle/10568/90608

Investigación en Agricultura
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Pallangyo, B. ,  Hanna, R. ,  Toko, M. ,  Gnanvossou, D. ,  Mgoo, V. ,  Otema, M. ,  Onzo, A. ,  Hountondji, F.C.C. ,  Nsami, E. ,  Mfugale, O. ,  [Biological control of cassava green mite in Tanzania] ,  Biological control of cassava green mite in Tanzania
Journal Article 2010

Autor: Christine, Z. Richard, C. Urs, S. Peter, N. Hanna, R.

Cassava is one of the most important staple food crops in Africa and has recently been gaining importance asa cash crop for smallholder farmers. The dynamics of the system requires new cultivars. The broad objectivesof the present study were (a) to specify the need for new cassava varieties; (b) ...

Enlace original: https://cgspace.cgiar.org/handle/10568/90328

Investigación en Agricultura
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Christine, Z. ,  Richard, C. ,  Urs, S. ,  Peter, N. ,  Hanna, R. ,  [Developing cassava cultivars based on farmers needs and on the agroecological conditions of northwestern Cameroon] ,  Developing cassava cultivars based on farmers needs and on the agroecological conditions of northwestern Cameroon
Journal Article 2005-08

Autor: Hanna, R. Onzo, A. Lingeman, R. Yaninek, John S. Sabelis, M.W.

We applied time series analysis and a mechanistic predator-prey model to long-term data of monthly population counts of the herbivorous pest mite Mononychellus tanajoa and its introduced phytoseiid predator Typhlodromalus aripo from a cassava field in Benin, West Africa. In this approach, we dete...

Enlace original: https://cgspace.cgiar.org/handle/10568/95968

Investigación en Agricultura
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Hanna, R. ,  Onzo, A. ,  Lingeman, R. ,  Yaninek, John S. ,  Sabelis, M.W. ,  [Seasonal cycles and persistence in an acarine predator-prey system on cassava in Africa] ,  Seasonal cycles and persistence in an acarine predator-prey system on cassava in Africa

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