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Journal Article 2014-10

Autor: Onzo, A. Sabelis, M.W. Hanna, R.
Enlace original: https://cgspace.cgiar.org/handle/10568/72978

Investigación en Agricultura
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Onzo, A. ,  Sabelis, M.W. ,  Hanna, R. ,  [Single versus multiple enemies and the impact on biological control of spider mites in cassava fields in WestAfrica] ,  Single versus multiple enemies and the impact on biological control of spider mites in cassava fields in WestAfrica
Journal Article 2017-07-26

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

Taro leaf blight disease has recently been reported in Cameroon to cause between 50 and 100% yields loss of taro in most of the agro-ecological crop growing regions. This has led to a significant reduction in disease-free planting materials, edible crop and increased. The Meristem culture techniq...

Enlace original: https://cgspace.cgiar.org/handle/10568/83502

Investigación en Agricultura
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Manju, B.E. ,  Mbong, A.G. ,  Fokunang, N.C. ,  Tembe-Fokunang, E.A. ,  Hanna, R. ,  [Application of in-vitro micropropagation technique for sustainable production of four local taro cultivars [Colocasia esculenta (L.) Schott] in Cameroon] ,  Application of in-vitro micropropagation technique for sustainable production of four local taro cultivars [Colocasia esculenta (L.) Schott] in Cameroon
Manual 2012

Autor: Hanna, R. Njukwe, E. Amah, D. Tenkouano, A. Dixon, A. Nguenkam, A. Fotso Kuate, A. Doumtsop, A. Ngoko, Z.
Enlace original: https://cgspace.cgiar.org/handle/10568/81113

Investigación en Agricultura
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Hanna, R. ,  Njukwe, E. ,  Amah, D. ,  Tenkouano, A. ,  Dixon, A. ,  Nguenkam, A. ,  Fotso Kuate, A. ,  Doumtsop, A. ,  Ngoko, Z. ,  [New cassava varieties for Cameroon: a technical guide] ,  New cassava varieties for Cameroon: a technical guide
Conference Proceedings 2012-02

Autor: Goergen, Georg E. Dossou, R. Asiedu, Robert Hanna, R.

Yam (Dioscoreaspp.) is a primary agricultural commodity and a traditional staple food over much of West and Central Africa, where it is highly profitable both for producers and traders especially when production and storage strategies are successful in securing the supply of urban markets through...

Enlace original: https://cgspace.cgiar.org/handle/10568/81368

Investigación en Agricultura
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Goergen, Georg E. ,  Dossou, R. ,  Asiedu, Robert ,  Hanna, R. ,  [Scale insects on yams in Benin: diversity, incidence and farmers' knowledge and perceptions] ,  Scale insects on yams in Benin: diversity, incidence and farmers' knowledge and perceptions
Conference Proceedings 2012-02

Autor: Fotso Kuate, A. Hanna, R. Tindo, M. Nage, P.

Anoplolepis tenella Santschi is an afrotropical ant widely distributed in the forest zones of Central Africa. It is the most frequent species associated with the African root and tuber scale (ARTS) Stictococcus vayssierei (Hemiptera: Stictococcidae), an afrotropical insect that infests a wide ran...

Enlace original: https://cgspace.cgiar.org/handle/10568/80534

Investigación en Agricultura
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Fotso Kuate, A. ,  Hanna, R. ,  Tindo, M. ,  Nage, P. ,  [Towards the development of sustainable control options for the African root and tuber scale on cassava in Central Africa understanding the ecology of the associated ant Anoplolepis tenella] ,  Towards the development of sustainable control options for the African root and tuber scale on cassava in Central Africa understanding the ecology of the associated ant Anoplolepis tenella
Book Chapter 2003-06

Autor: Yaninek, S. Hanna, R.
Enlace original: https://cgspace.cgiar.org/handle/10568/72503

Investigación en Agricultura
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Yaninek, S. ,  Hanna, R. ,  [Cassava green mite in Africa - a unique example of successful classical biological control of a mite pest on a continental scale] ,  Cassava green mite in Africa - a unique example of successful classical biological control of a mite pest on a continental scale
Journal Article 2004

Autor: Onzo, A. Hanna, R. Janssen, A. Sabelis, M.

The issue of introducing single or multiple natural enemy species for classical biological control has been an area of intense inquiry by ecologists and biological control practitioners. This is particularly relevant to classical biological control of cassava green mite Mononychellus tanajoa (Bon...

Enlace original: https://cgspace.cgiar.org/handle/10568/103362

Investigación en Agricultura
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Onzo, A. ,  Hanna, R. ,  Janssen, A. ,  Sabelis, M. ,  [Interactions between two neotropical phytoseiid predators and consequences for biological control of a shared prey] ,  Interactions between two neotropical phytoseiid predators and consequences for biological control of a shared prey
Manuscript-unpublished 2008

Autor: Hanna, R. Gnanvossou, D. Grout, T.
Enlace original: https://cgspace.cgiar.org/handle/10568/92289

Investigación en Agricultura
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Hanna, R. ,  Gnanvossou, D. ,  Grout, T. ,  [Technique dannihilation des males pour la suppression de B. invadens au Benin=Male annihilation for the control of Bactrocera invadens and Ceratitis cosyra in mango orchards] ,  Technique dannihilation des males pour la suppression de B. invadens au Benin=Male annihilation for the control of Bactrocera invadens and Ceratitis cosyra in mango orchards
Training Material 2008

Autor: Hanna, R. Bokonon-Ganta, A.H. Gnanvossou, D. Saïzonou, S.
Enlace original: https://cgspace.cgiar.org/handle/10568/92287

Investigación en Agricultura
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Hanna, R. ,  Bokonon-Ganta, A.H. ,  Gnanvossou, D. ,  Saïzonou, S. ,  [Lachers de Fopius arisanus pour un controle efficace et durable des mouches des fruits en Afrique=Release of Fopius arisanus for efficient and sustainable control of fruit flies in Africa] ,  Lachers de Fopius arisanus pour un controle efficace et durable des mouches des fruits en Afrique=Release of Fopius arisanus for efficient and sustainable control of fruit flies in Africa

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