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Se evaluó un nuevo método para seleccionar fuentes de resistencia aRadopholus similisen un germoplasmade bananos y plátanos. Los experimentos se realizaron bajo condiciones experimentalessimilares en Nigeria y Uganda. En ambas localidades,R. similisfue capaz de penetrar, colonizar y reproducirsee...


Schutter, B. deSpeijer, P.Dochez, C.Tenkouano, A.Waele, D. de[Evaluating host plant reaction of Musa germplasm to Radopholus similis by inoculation of single primary roots]Evaluating host plant reaction of Musa germplasm to Radopholus similis by inoculation of single primary roots

Two viruses naturally infect Musa in Nigeria: banana streak badnavirus (BSV) and cucumber mosaic cucumovirus (CMV). During a recent field survey at Ibadan (Nigeria), some severely stunted banana plants (cv. Valery) were found that tested negative for CMV, banana bunchy-top virus, and BSV. The pla...


Hughes, J.Speijer, P.Olatunde, O.[Banana die-back virus- a new virus infecting banana in Nigeria]Banana die-back virus- a new virus infecting banana in Nigeria

A survey of plant parasitic nematodes in the major banana growing areas of Uganda was conducted in 1993. A total of 120 root samples were collected from 24 sites. Eight nematode species belonging to four genera were encountered. The most widespread species were Pratylenchus goodeyi (cob) sher and...


Kashaija, I.Speijer, P.Gold, C.Gowen, S.[Occurrence distribution and abundance of plant parasitic nematodes of bananas in Uganda]Occurrence distribution and abundance of plant parasitic nematodes of bananas in Uganda

Vuylsteke, D.R.Ortiz, R.Pasberg-Gauhl, C.Gauhl, F.Gold, C.Ferris, S.Speijer, P.[Plantain and banana research at the International Institute of Tropical Agriculture]Plantain and banana research at the International Institute of Tropical Agriculture

Data are presented on the incidence and severity of (black and yellow) sigatoka leaf spots and Cladosporium freckle in different ecological zones of Uganda. Black sigatoka has become widespread since its arrival in Uganda in 1988. Sigatoka leaf spots were most severe in mid-elevation zones of cen...


Tushemereirwe, W.K.Gold, C.Speijer, P.Holderness, M.[Foliar diseases of banana in Uganda: results from a diagnostic survey]Foliar diseases of banana in Uganda: results from a diagnostic survey

In 1990, observations were made on the nematode species profile on bananas in Oyugis district, Kenya. The country-wide survey was conducted in 1993 across 13 primary Musa growing districts. Observations were made on banana cultivars Nakyetengu (AAA) and Sukali Ndizi (AB). Considerable variation i...


Reddy, K.S.Prasad, J.S.Speijer, P.Sikora, R.A.Coyne, D.L.[Distribution of plantparasitic nematodes on Musa in Kenya]Distribution of plantparasitic nematodes on Musa in Kenya
Dochez, C.Speijer, P.De Waele, D.Ortiz, R.[Host plant response to nematodes in Musa landraces and hybrids]Host plant response to nematodes in Musa landraces and hybrids
Gold, C.Speijer, P.Rukazambuga, N.Mararmura, E.B.[Assessment of banana weevils in East African highland banana systems and strategies for control]Assessment of banana weevils in East African highland banana systems and strategies for control

In East Africa, the cooking bananas (Musa spp., AAA group, subgroup Matoke) are the major food crop. Yields are decreasing due to increasing damage caused by a complex of pests and diseases, including plant-parasitic nematodes. Planting of infected material is the principle means of dispersal for...


Elsen, A.Goossens, B.Belpaire, B.Neyens, A.Speijer, P.De Waele, D.[Recolonization by nematodes of hot water treated cooking banana planting material in Uganda]Recolonization by nematodes of hot water treated cooking banana planting material in Uganda

East African highland cooking bananas (Musa spp., AAA) are one of the most important staples in the Great Lakes region of Africa. It has been hypothesized that land use intensification within the region has led to decline in soil fertility, increased pest pressure, and decline in production. To d...


Gold, C.Speijer, P.Ssali, H.Karamura, E.B.Okech, S.[Relationships between soil fertility, banana weevil and nematodes in the East African highland cooking banana in Ntungamo, southwestern Uganda]Relationships between soil fertility, banana weevil and nematodes in the East African highland cooking banana in Ntungamo, southwestern Uganda

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