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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)
Conference Paper 2007

Autor: Tata-Hangy, K.W. Legg, J.P. Hanna, R. Toko, M. Lema, K.M. Dixon, A. Mahungu, N.M.

A countrywide survey on cassava constraints in D.R. Congo was initiated in 2002 and completed in 2004 with the aim of assessing the health status of cassava in various agro-ecological zones of the 11 provinces of the country. The survey permitted to update the list of diseases and pests that cont...

Enlace original: https://cgspace.cgiar.org/handle/10568/90614

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Tata-Hangy, K.W. ,  Legg, J.P. ,  Hanna, R. ,  Toko, M. ,  Lema, K.M. ,  Dixon, A. ,  Mahungu, N.M. ,  [Incidence and distribution of cassava diseases and pests in the Democratic Republic of Congo] ,  Incidence and distribution of cassava diseases and pests in the Democratic Republic of Congo
Conference Paper 2014

Autor: Lepoint, P. Staver, C. Ajambo, S. Rietveld, A. Lava Kumar, P. Hanna, R. Caruana, M.L.

La maladie du Bunchy top du bananier (BBTD) causée par le virus du Bunchy top du bananier (BBTV, genre Babuvirus, famille Nanoviridae) rend les plantes infectées improductives et finalement les tue. La BBTD se propage dans de nouveaux champs via le matériel à planter infecté et le puceron du bana...

Enlace original: https://cgspace.cgiar.org/handle/10568/105081

Investigación en Agricultura
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Lepoint, P. ,  Staver, C. ,  Ajambo, S. ,  Rietveld, A. ,  Lava Kumar, P. ,  Hanna, R. ,  Caruana, M.L. ,  [Rapport d’atelier : Atelier de planification strategique reprise de la production bananiere dans des zones affectees par la BBTD: Approches au niveau de la communaute & des menages ruraux'. Bujumbura, Burundi 20-25 Janvier 2014] ,  Rapport d’atelier : Atelier de planification strategique reprise de la production bananiere dans des zones affectees par la BBTD: Approches au niveau de la communaute & des menages ruraux'. Bujumbura, Burundi 20-25 Janvier 2014
Conference Paper 2014

Autor: Lepoint, P. Staver, C. Ajambo, S. Rietveld, A. Lava Kumar, P. Hanna, R. Caruana, M.L.

Banana bunchy top disease (BBTD) caused by the Banana bunchy top virus (BBTV, genus Babuvirus, family Nanoviridae) renders plants unproductive and eventually kills affected plants. BBTD spreads into new fields along with infected planting material and through the banana aphid, Pentalonia nigroner...

Enlace original: https://cgspace.cgiar.org/handle/10568/105093

Investigación en Agricultura
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Lepoint, P. ,  Staver, C. ,  Ajambo, S. ,  Rietveld, A. ,  Lava Kumar, P. ,  Hanna, R. ,  Caruana, M.L. ,  [Workshop report: strategic planning workshop on recovering Banana production in BBTD affected areas: community and farm household approaches] ,  Workshop report: strategic planning workshop on recovering Banana production in BBTD affected areas: community and farm household approaches
Journal Article 2003

Autor: Dixon, Alfred G.O. Bandyopadhyay, Ranajit Coyne, D.L. Ferguson, M. Ferris, R.S.B. Hanna, R. Hughes, J. Ingelbrecht, I. Legg, J.P. Mahungu, N.M. Manyong, Victor M. Mowbray, D. Neuenschwander, P. Whyte, J. Hartmann, P. Ortiz, R.

Cassava(Manihot esculenta), a root crop originating in Tropical America, has been called Africa’s food insurance but vital as that is, it has the potential to be much more. Already, cassava provides more than half of the dietary calories for over 200 million people in sub-Saharan Africa (about ha...

Enlace original: https://cgspace.cgiar.org/handle/10568/96342

Investigación en Agricultura
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Dixon, Alfred G.O. ,  Bandyopadhyay, Ranajit ,  Coyne, D.L. ,  Ferguson, M. ,  Ferris, R.S.B. ,  Hanna, R. ,  Hughes, J. ,  Ingelbrecht, I. ,  Legg, J.P. ,  Mahungu, N.M. ,  Manyong, Victor M. ,  Mowbray, D. ,  Neuenschwander, P. ,  Whyte, J. ,  Hartmann, P. ,  Ortiz, R. ,  [Cassava: from poor farmers crop to pacesetter of African rural development] ,  Cassava: from poor farmers crop to pacesetter of African rural development
Journal Article 2001

Autor: Bentley, W. Martin, L. Hanna, R.
Enlace original: https://cgspace.cgiar.org/handle/10568/105541

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Bentley, W. ,  Martin, L. ,  Hanna, R. ,  [Impact of gray field ant exclusion from vines on grape mealybug abundance, parasitism, and infestation: a progress report] ,  Impact of gray field ant exclusion from vines on grape mealybug abundance, parasitism, and infestation: a progress report
Journal Article 2015

Autor: Kumar, P.L. Selvarajan, R. Iskra Caruana, M.L. Chabannes, M. Hanna, R.

Banana and plantain (Musa spp.), produced in 10.3 million ha in the tropics, are among the world's top 10 food crops. They are vegetatively propagated using suckers or tissue culture plants and grown almost as perennial plantations. These are prone to the accumulation of pests and pathogens, espe...

Enlace original: https://cgspace.cgiar.org/handle/10568/74457

Investigación en Agricultura
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Kumar, P.L. ,  Selvarajan, R. ,  Iskra Caruana, M.L. ,  Chabannes, M. ,  Hanna, R. ,  [Biology, etiology, and control of virus diseases of banana and plantain] ,  Biology, etiology, and control of virus diseases of banana and plantain
Journal Article 2020

Autor: Mahot, H.C. Mahob, J.R. Hall, D.R. Arnold, S.E.J. Fotso, A.K. Membang, G. Ewane, N. Kemga, A. Fiaboe, K.K.M. Bilong, C.F.B Hanna, R.

Cocoa mirids, Sahlbergella singularis and Distantiella theobroma, are the most economically important insect pests of cocoa in West and Central Africa, where they can cause up to 40% losses in cocoa yields. Sahlbergella singularis is the most common species in Cameroon and was therefore targeted ...

Enlace original: https://cgspace.cgiar.org/handle/10568/103765

Investigación en Agricultura
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Mahot, H.C. ,  Mahob, J.R. ,  Hall, D.R. ,  Arnold, S.E.J. ,  Fotso, A.K. ,  Membang, G. ,  Ewane, N. ,  Kemga, A. ,  Fiaboe, K.K.M. ,  Bilong, C.F.B ,  Hanna, R. ,  [Visual cues from different trap colours affect catches of Sahlbergella singularis (Hemiptera: Miridae) in sex pheromone traps in Cameroon cocoa plantations] ,  Visual cues from different trap colours affect catches of Sahlbergella singularis (Hemiptera: Miridae) in sex pheromone traps in Cameroon cocoa plantations
Conference Paper 2018

Autor: Ajambo, S. Rietveld, A. Nkengla, L.W. Niyongere, C. Dhed'a, D.B. Olaosebikan, D.O. Nitunga, E. Toengaho, J. Lava Kumar, P. Hanna, R. Sufo Kankeu, R. Omondi, A.
Enlace original: https://cgspace.cgiar.org/handle/10568/98371

Investigación en Agricultura
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Ajambo, S. ,  Rietveld, A. ,  Nkengla, L.W. ,  Niyongere, C. ,  Dhed'a, D.B. ,  Olaosebikan, D.O. ,  Nitunga, E. ,  Toengaho, J. ,  Lava Kumar, P. ,  Hanna, R. ,  Sufo Kankeu, R. ,  Omondi, A. ,  [Recovering banana production in bunchy top-affected areas in Sub-Saharan Africa: developing gender-responsive approaches] ,  Recovering banana production in bunchy top-affected areas in Sub-Saharan Africa: developing gender-responsive approaches
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

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