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Journal Article 2012-03

Autor: Lokossou, B. Gnanvossou, D. Ayodeji, O. Akplogan, F. Safiore, A. Migan, D. Pefoura, A. Hanna, R. Kumar, P.L.

In July 2011, banana and plantain that displayed stunting and leaf symptoms typical of banana bunchy top disease were observed to be widespread in Dangbo Commune, Ouémé Department, Benin. To identify the cause of the disease, a roving survey was conducted in December 2011 in nine locations in Avr...

Enlace original: https://cgspace.cgiar.org/handle/10568/77434

Investigación en Agricultura
DNA
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Lokossou, B. ,  Gnanvossou, D. ,  Ayodeji, O. ,  Akplogan, F. ,  Safiore, A. ,  Migan, D. ,  Pefoura, A. ,  Hanna, R. ,  Kumar, P.L. ,  [Occurrence of Banana bunchy top virus in banana and plantain (Musa sp.) in Benin] ,  Occurrence of Banana bunchy top virus in banana and plantain (Musa sp.) in Benin
Journal Article 2016-07-31

Autor: Fokunang, C.N. Mbong, G. Manju, E. Tembe-Fokunang, E.A. Hanna, R.

Introduction: Taro leaf blight disease cause by Phytophtora colocasiae has become an economic disease in Cocoyam growing regions of Cameroon. Aims: To screen for resistance 10 improved and 4 local cultivars of taro against taro leaf blight disease. Study Design: A randomized complete block design...

Enlace original: https://cgspace.cgiar.org/handle/10568/77482

Investigación en Agricultura
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Fokunang, C.N. ,  Mbong, G. ,  Manju, E. ,  Tembe-Fokunang, E.A. ,  Hanna, R. ,  [Screen house and field resistance of taro cultivars to taro leaf blight disease (Phytophtora colocasiae)] ,  Screen house and field resistance of taro cultivars to taro leaf blight disease (Phytophtora colocasiae)
Book 2005

Autor: Alene, Arega D. Neuenschwander, P. Manyong, Victor M. Coulibaly O. Hanna, R.
Enlace original: https://cgspace.cgiar.org/handle/10568/91502

Investigación en Agricultura
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Alene, Arega D. ,  Neuenschwander, P. ,  Manyong, Victor M. ,  Coulibaly O. ,  Hanna, R. ,  [The impact of IITA led biological control of major pests in sub-Saharan African agriculture: a synthesis of milestones and empirical results] ,  The impact of IITA led biological control of major pests in sub-Saharan African agriculture: a synthesis of milestones and empirical results
Journal Article 2012-08

Autor: Oleke, J.M. Isinika, A. Manyong, Victor M. Hanna, R. Sabelis, M.

This article analysed farmers' perceptions of the effects of coconut mite in their livelihood and assessed crop diversification as a copping strategy for reduced coconut production. A socio-economic model of farmers' decisions on intercropping as an indicator for overall crop diversity was develo...

Enlace original: https://cgspace.cgiar.org/handle/10568/79838

Investigación en Agricultura
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Oleke, J.M. ,  Isinika, A. ,  Manyong, Victor M. ,  Hanna, R. ,  Sabelis, M. ,  [Farmers perception of coconut mite damage and crop diversification alternatives in the coastal belt of Tanzania] ,  Farmers perception of coconut mite damage and crop diversification alternatives in the coastal belt of Tanzania
Conference Paper 2008

Autor: Gnanvossou, D. Hanna, R. Azandeme, G. Goergen, Georg E. Tindo, M. Agbaka, A.

Le complexe de mouches des fruits ainsi que les taux d'infestation des agrumes avaient été évalués suite à des prospections effectuées dans presque toutes les zones agrùécologiques du Bénin at complétées par des études faites au niveau de trois vergers agrumicoles au Sud du Bénin. Des échantillon...

Enlace original: https://cgspace.cgiar.org/handle/10568/92150

Investigación en Agricultura
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Gnanvossou, D. ,  Hanna, R. ,  Azandeme, G. ,  Goergen, Georg E. ,  Tindo, M. ,  Agbaka, A. ,  [Inventaire et importance des degats des mouche des fruits sur quelques especes de cucurbitacees au Benin] ,  Inventaire et importance des degats des mouche des fruits sur quelques especes de cucurbitacees au Benin
Conference Paper 2009

Autor: Hountondji, F.C.C. Sabelis, M. Hanna, R.

The role of infochemicals in mediating interactions between herbivores and their foraging natural enemies, mainly predators and parasitoids, is well established, but very little is known about infochemical use in interactions between herbivores and their sit-and-wait pathogens. This paper reviews...

Enlace original: https://cgspace.cgiar.org/handle/10568/90896

Investigación en Agricultura
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Hountondji, F.C.C. ,  Sabelis, M. ,  Hanna, R. ,  [Role of infochemicals in the interaction between cassava green mites and its fungal pathogen Neozygites tanajoae] ,  Role of infochemicals in the interaction between cassava green mites and its fungal pathogen Neozygites tanajoae
Poster 2013

Autor: Kroschel, J. Tonnang, Henri E.Z. Juarez, H. Le Ru, B.P. Hanna, R.

Climate change is expected to exacerbate the already serious challenges to food security and economic development; especially on the African continent where people are already struggling to meet challenges posed by existing climatic variability. Change in temperature caused by climate change is c...

Enlace original: https://cgspace.cgiar.org/handle/10568/57032

Investigación en Agricultura
GIS
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Kroschel, J. ,  Tonnang, Henri E.Z. ,  Juarez, H. ,  Le Ru, B.P. ,  Hanna, R. ,  [Analysing climate impacts on insect pests using Phenology Modelling and GIS implemented in the ILCYM Software.] ,  Analysing climate impacts on insect pests using Phenology Modelling and GIS implemented in the ILCYM Software.
Journal Article 2009

Autor: Zundel, C. Nagel, P. Hanna, R. Korner, F. Scheidegger, Urs C.

In tropical dry seasons, survival of small arthropods such as predatory mites is often negatively affected by low relative humidity (RH). For species that do not diapause or migrate to refuges, the ability of the habitat to mitigate climatic conditions becomes crucial. ...

Enlace original: https://cgspace.cgiar.org/handle/10568/90168

Investigación en Agricultura
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Zundel, C. ,  Nagel, P. ,  Hanna, R. ,  Korner, F. ,  Scheidegger, Urs C. ,  [Environment and hostplant genotype effects on the seasonal dynamics of a predatory mite on cassava in subhumid tropical Africa] ,  Environment and hostplant genotype effects on the seasonal dynamics of a predatory mite on cassava in subhumid tropical Africa

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