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Conference Paper 2003

Autor: Legg, J.P. Thresh, J.M.

Cassava plays a key role in the food security of sub-Saharan Africa, but as a vegetatively propagated crop, it is particularly vulnerable to the effects of virus diseases and these therefore represent a major threat to the livelihoods of millions of Africans. Nine viruses have been isolated from ...

Enlace original: https://cgspace.cgiar.org/handle/10568/96502

Investigación en Agricultura
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Legg, J.P. ,  Thresh, J.M. ,  [Cassava virus diseases in Africa] ,  Cassava virus diseases in Africa
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

Investigación en Agricultura
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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 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

Investigación en Agricultura
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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 2012-02

Autor: Bakelana, Z. Legg, J.P. Lema, K.M. Hauser, S. Mahungu, N.M.

La mouche blanche (Bemisia tabaci) est le vecteur de la mosaïque et de la striure brune du manioc. Sa population a toujours été faible dans les champs de manioc. En plus, cet insecte trés polyphage, n'avait jamais constitué d'une manière directe, une menace réelle à la culture du manioc en Afriqu...

Enlace original: https://cgspace.cgiar.org/handle/10568/97318

Investigación en Agricultura
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Bakelana, Z. ,  Legg, J.P. ,  Lema, K.M. ,  Hauser, S. ,  Mahungu, N.M. ,  [Les facteurs determinant labondance du vecteur mouche blanche (Bemisia tabaci, Homoptera : Aleyrodidae) et les types des virus distribues sur le manioc en R.D. Congo] ,  Les facteurs determinant labondance du vecteur mouche blanche (Bemisia tabaci, Homoptera : Aleyrodidae) et les types des virus distribues sur le manioc en R.D. Congo
Conference Paper 2007

Autor: Toko, M. Hanna, R. Legg, J.P. Andrade, M.I. Jone, A. Agboton, B. Otema, M.A. Okao-Okuja, G. Obonyo, R. Mambo, E.

Two countrywide surveys were conducted in April-May and May-June 2004 throughout the cassava growing belt of Mozambique including several provinces: Gaza, Inhambane, Sofala, Manica, Zambezia, Nampula and Cabo Delgado. Both surveys were planned to assess the distribution, incidence and damage seve...

Enlace original: https://cgspace.cgiar.org/handle/10568/90602

Investigación en Agricultura
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Toko, M. ,  Hanna, R. ,  Legg, J.P. ,  Andrade, M.I. ,  Jone, A. ,  Agboton, B. ,  Otema, M.A. ,  Okao-Okuja, G. ,  Obonyo, R. ,  Mambo, E. ,  [Distribution, incidence and severity of cassava diseases and pests in Mozambique] ,  Distribution, incidence and severity of cassava diseases and pests in Mozambique

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