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Journal Article 2015

Autor: Mbong, G.A. Fokunang, C.N. Manju, E.B. Njukeng, A.P. Tembe-Fokunang, E.A. Hanna, R.
Enlace original: https://cgspace.cgiar.org/handle/10568/73018

Investigación en Agricultura
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Mbong, G.A. ,  Fokunang, C.N. ,  Manju, E.B. ,  Njukeng, A.P. ,  Tembe-Fokunang, E.A. ,  Hanna, R. ,  [Mycelia growth and sporulation of Phytophthora colocasiae isolates under selected conditions] ,  Mycelia growth and sporulation of Phytophthora colocasiae isolates under selected conditions
Journal Article 2015

Autor: Fotso, A.K. Hanna, R. Tindo, M. Doumtsop, A. Nagel, P.
Enlace original: https://cgspace.cgiar.org/handle/10568/72977

Investigación en Agricultura
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Fotso, A.K. ,  Hanna, R. ,  Tindo, M. ,  Doumtsop, A. ,  Nagel, P. ,  [How plants and honeydewproducing hemipterans affect ant species richness and structure in a tropical forest zone] ,  How plants and honeydewproducing hemipterans affect ant species richness and structure in a tropical forest zone
Journal Article 2018-01-01

Autor: Fuller, T.L. Clee, P.R.S. Njabo, K.Y. Tróchez, A. Morgan, K. Meñe, D.B. Anthony, N.M. Gonder, M.K. Allen, W.R. Hanna, R. Smith, T.B.

Although a number of recent studies suggest that climate associated shifts in agriculture are affecting social and economic systems, there have been relatively few studies of these effects in Africa. Such studies would be particularly useful in Central Africa, where the impacts of climate warming...

Enlace original: https://cgspace.cgiar.org/handle/10568/87985

Investigación en Agricultura
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Fuller, T.L. ,  Clee, P.R.S. ,  Njabo, K.Y. ,  Tróchez, A. ,  Morgan, K. ,  Meñe, D.B. ,  Anthony, N.M. ,  Gonder, M.K. ,  Allen, W.R. ,  Hanna, R. ,  Smith, T.B. ,  [Climate warming causes declines in crop yields and lowers school attendance rates in Central Africa] ,  Climate warming causes declines in crop yields and lowers school attendance rates in Central Africa
Journal Article 2015

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

Ants have been shown as particularly affected by land disturbance through deforestation and conversion of forest to agriculture. The effect of land use change on ant diversity in the Congo Basin is not well known. We conducted intensive sampling along a gradient of increasing vegetation disturban...

Enlace original: https://cgspace.cgiar.org/handle/10568/74448

Investigación en Agricultura
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Fotso Kuate, A. ,  Hanna, R. ,  Tindo, M. ,  Nanga, S. ,  Nagel, P. ,  [Ant diversity in dominant vegetation types of southern Cameroon] ,  Ant diversity in dominant vegetation types of southern Cameroon
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
Journal Article 2012-12

Autor: Onzo, A. Zannou, I. Adjibade, O.A. Broutani, S. Hanna, R.

La mosaïque africaine du manioc est une maladie redoutable qui ravage les champs de manioc en Afrique. Elle est causée par un virus dont le vecteur principal est la mouche blanche Bemisia tabaci. Un des moyens de lutte contre cette maladie passe par la lutte contre le vecteur B. tabaci, réputé tr...

Enlace original: https://cgspace.cgiar.org/handle/10568/77408

Investigación en Agricultura
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Onzo, A. ,  Zannou, I. ,  Adjibade, O.A. ,  Broutani, S. ,  Hanna, R. ,  [Potentialites de lacarien predateur Amblyseius swirskii (AthiasHenriot) (Acari: Phytoseiidae) dans la lutte biologique contre la mouche blanche Bemisia tabaci (Genn.), vecteur de la mosaique du manioc en Afrique] ,  Potentialites de lacarien predateur Amblyseius swirskii (AthiasHenriot) (Acari: Phytoseiidae) dans la lutte biologique contre la mouche blanche Bemisia tabaci (Genn.), vecteur de la mosaique du manioc en Afrique
Journal Article 2013-10

Autor: Sourassou, N.F. Hanna, R. Negloh, K. Breeuwer, J.A. Sabelis, M.

Studies on intraguild interactions between phytoseiid species have shown that intraguild predation occurs and is most commonly manifested as adult females of one species feeding on juveniles of another. Whether such intraguild interactions can also occur between adult females of one species and a...

Enlace original: https://cgspace.cgiar.org/handle/10568/76407

Investigación en Agricultura
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Sourassou, N.F. ,  Hanna, R. ,  Negloh, K. ,  Breeuwer, J.A. ,  Sabelis, M. ,  [Females as intraguild predators of males in crosspairing experiments with phytoseiid mites] ,  Females as intraguild predators of males in crosspairing experiments with phytoseiid mites
Journal Article 2013

Autor: Oleke, J.M. Manyong, Victor M. Mignouna, Djana B. Isinika, A. Mutabazi, K.D. Hanna, R. Sabelis, M.

The coconut mite, Aceria guerreronis Keifer, has been identified as one of the pests that pose a threat to the coconut industry in Benin. The study presents the simulation results of the economic benefits of the biological control of coconut mites in Benin using a standard economic surplus model....

Enlace original: https://cgspace.cgiar.org/handle/10568/76405

Investigación en Agricultura
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Oleke, J.M. ,  Manyong, Victor M. ,  Mignouna, Djana B. ,  Isinika, A. ,  Mutabazi, K.D. ,  Hanna, R. ,  Sabelis, M. ,  [Exante economic analysis of biological control of coconut mite in Benin] ,  Exante economic analysis of biological control of coconut mite in Benin
Journal Article 2002

Autor: Zannou, I. Moraes , G.J. de Hanna, R.

Two new mite species of the family Phytoseiidae (Acari: Mesostigmata) are described from southern Africa: Typhlodromalus parcidentatusn. sp. from Mozambique and Typhlodromus (Anthoseius) malawiensisn. sp. from Malawi.

Enlace original: https://cgspace.cgiar.org/handle/10568/92757

Investigación en Agricultura
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Zannou, I. ,  Moraes , G.J. de ,  Hanna, R. ,  [New species of phytoseiidmites from Mozambique and Malawi] ,  New species of phytoseiidmites from Mozambique and Malawi
Journal Article 2001

Autor: Gnanvossou, D. Hanna, R. Dicke, M. Yaninek, S.

The attraction of the predatory mites, Typhlodromalus manihoti and Typhlodromalus aripo, to the host plant-spider mite complex, Manihot esculenta–Mononychellus tanajoa, was investigated with a Y-tube olfactometer. Factors examined included predator starvation period, several combinations of cassa...

Enlace original: https://cgspace.cgiar.org/handle/10568/92663

Investigación en Agricultura
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Gnanvossou, D. ,  Hanna, R. ,  Dicke, M. ,  Yaninek, S. ,  [Attraction of the predatory mites Typhlodromalus manihot and Typhlodromalus aripo to cassava plants infested by cassava green mite] ,  Attraction of the predatory mites Typhlodromalus manihot and Typhlodromalus aripo to cassava plants infested by cassava green mite

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